Weather
Daily Tech Reader - Weather Edition
Podcast 🎧 • Video 📽 • Short 📽
Northeast
NYC's One-Day Break Is Over — Humidity Rebuilds Wednesday as Storms Return to the Tri-State and Heat Climbs Back Into the Upper 80s Through the Weekend
Tuesday's pleasant window — the Tri-State's one genuine gift in an otherwise brutally active week — is giving way to a distinctly different pattern on Wednesday. ABC7 New York's meteorologist Lee Goldberg reported that while Wednesday will start with at least partly sunny skies, moisture pushing up the coast will gradually increase humidity levels through the afternoon and evening hours, setting the stage for a prolonged stretch of uncomfortable weather that runs through the entire weekend. Highs on Wednesday are forecast in the low 80s, which by themselves are manageable, but the rising dew points will make conditions feel increasingly oppressive as the day progresses.
The NWS New York forecast office is tracking a 20 percent chance of showers and thunderstorms Wednesday afternoon and a slight chance continuing into Wednesday night. That storm chance grows meaningfully on Thursday, with ABC7 forecasting a high of 89°F and a steamy afternoon storm threat. By the time the workweek closes out Friday and heading into the weekend, daily highs remain in the upper 80s with heat index values running from the mid-90s to above 100°F — a sharp contrast to Tuesday's dry, comfortable air.
The pattern that has been grinding through the Northeast all summer — alternating between flooding events and oppressive humid stretches — shows no sign of breaking through at least the next seven days. The NWS Climate Prediction Center's extended outlook continues to favor above-normal temperatures and above-normal precipitation across the Northeast corridor through at least August 10. Residents who got outdoor work, exercise, or outdoor plans done on Tuesday made the right call — that window has officially closed.
Sources: NWS New York (OKX) · ABC7 New York (WABC) · AccuWeather · NWS Climate Prediction Center
Mid-Atlantic & East Coast
Mid-Atlantic Storm Threat Builds Wednesday — Slight Risk of Excessive Rainfall for the Carolina Coast as the Front Stalls and Gulf Moisture Surges North
The mid-Atlantic's brief Tuesday respite is ending on Wednesday as the next weather system begins organizing across the region. The NWS Weather Prediction Center's Short Range Forecast Discussion, issued Tuesday morning, flagged a Slight Risk of excessive rainfall for portions of the Carolina Coast on Wednesday as moisture-rich air and a nearby frontal boundary combine to generate rounds of heavy downpours. Residents from the Virginia Beach area south through the Outer Banks and into coastal North and South Carolina face the most concentrated risk of localized flooding during Wednesday's afternoon and evening hours.
Further north, Washington, Baltimore, and Philadelphia are seeing Wednesday begin with increasing clouds and rising humidity — not the cleanest conditions, but the heavier rain threat is positioned more to the south during the day Wednesday before spreading northward overnight. The NWS SPC's outlook for Wednesday also flagged additional severe storm potential from the Mid-Atlantic into the Southeast ahead of a shortwave trough moving through the Great Lakes, Ohio Valley, and Gulf Coast states, meaning the secondary threat of isolated damaging winds will be worth watching into Wednesday evening across the region.
The extended picture through the weekend remains unsettled. The WPC's five-day precipitation outlook calls for 1 to 2-plus inches of accumulation across the Northeast and mid-Atlantic through the coming days, with the heaviest totals concentrated in areas already saturated from last week's repeated flooding events. Residents from Philadelphia south through the Carolinas should treat Wednesday as the transition day it is — use the early hours, monitor forecasts closely through the afternoon, and plan for an active storm pattern that persists well into the weekend.
Sources: NWS Weather Prediction Center · NWS Storm Prediction Center · NWS Baltimore/Washington · NOAA Climate Prediction Center
Florida
South Florida Locked Into Daily Thunderstorm Pattern Wednesday — 70 Percent Midday Rain Chance With Highs Near 90°F as Heat Index Approaches 110
South Florida wakes up Wednesday still firmly inside one of the most persistently active summer storm patterns in recent memory. CBS12 West Palm Beach meteorologist Charlotte Carl reported Wednesday morning that the region will remain locked into a typical — if intense — August weather regime through at least Friday, with scattered to numerous afternoon thunderstorms, dangerous heat, and increasing beach hazards later this week. There is no relief valve in sight for the near term.
NBC 6 South Florida's meteorologist Steve MacLaughlin issued his Tuesday forecast showing Wednesday's best rain chances concentrated at midday and through the early afternoon, with a 70 percent probability during the late-morning and lunchtime window. The afternoon storm activity is expected to push back westward as sea breezes shift, which may leave some coastal communities with a drier second half of the afternoon — but the atmosphere remains unusually moist for early August, and any storm that does develop will be capable of producing frequent lightning, brief heavy downpours, and gusty winds. Highs on Wednesday are forecast near 90°F, with heat index values approaching 110°F during peak afternoon hours.
The CBS Miami NEXT Weather team reported that Wednesday represents a continuation of the wet pattern that began Sunday, and that conditions remain elevated through at least Thursday and Friday before some drying is possible heading into the weekend. The tropical Atlantic continues to be relatively quiet, with no organized systems posing an immediate threat to Florida, but the daily homegrown thunderstorm threat alone is sufficient to warrant caution. Rip current risk is also increasing, with CBS Miami flagging a high rip current risk returning Thursday that could linger through the weekend as wind patterns shift.
Sources: CBS12 West Palm Beach · NBC 6 South Florida · CBS Miami · NWS Miami · AccuWeather
Southeast
Gulf Coast Returns to Full August Mode Wednesday — New Orleans, Baton Rouge, and the Alabama Coast Back Into Deep Heat and Daily Storm Cycles
If Tuesday offered any lingering sense of a break for Gulf Coast residents, Wednesday removes any doubt that normal summer conditions have fully reasserted themselves. The frontal boundary that briefly delivered slightly lower dew points to portions of Louisiana and the Alabama coast over the weekend has now lifted back northward, allowing the full force of Gulf moisture to surge back into the region. New Orleans and Baton Rouge are forecast to reach the low-to-mid 90s Wednesday with heat index values approaching or exceeding 105°F as southerly flow resumes at a steady clip.
The NWS Weather Prediction Center's five-day precipitation outlook calls for 3 to 5-plus inches of additional rainfall accumulation across portions of the Gulf Coast through the weekend, with some of the heaviest totals possible across the Florida Panhandle and coastal Alabama. That is significant — and potentially dangerous — given that soil moisture levels are already elevated following a very wet July across the region. Flooding risk will remain an undercurrent through the week even on days when individual storm cells appear isolated.
Across the broader Southeast, the NWS Storm Prediction Center's Wednesday outlook flagged additional severe storm potential from the Mid-Atlantic into the Southeast ahead of a shortwave trough pressing through the Ohio Valley and Gulf Coast states. Georgia, the Carolinas, and the Tennessee Valley are all tracking storm chances through Wednesday afternoon and evening, with damaging wind gusts the primary concern ahead of the trough. The NWS Climate Prediction Center's extended outlook valid through August 10 continues to favor above-normal temperatures and above-normal precipitation across the entire Gulf Coast and Southeast corridor — there is no significant pattern change forecast before the middle of next week at the earliest.
Sources: NWS New Orleans · NWS Mobile/Pensacola · NWS Weather Prediction Center · NWS Storm Prediction Center · NOAA Climate Prediction Center
Midwest
Midwest Active Again Wednesday — Slight Risk of Excessive Rainfall Over the Upper Great Lakes and Middle Mississippi Valley as the Next Frontal System Organizes
The brief Tuesday quiet across the Midwest and Ohio Valley is giving way to renewed storm activity on Wednesday as the next frontal system begins to organize across the region. The NWS Weather Prediction Center's Short Range Forecast Discussion flagged a Slight Risk of excessive rainfall over parts of the Upper Great Lakes, Middle Mississippi Valley, and Central Plains on Wednesday — the same areas that endured repeated flooding events over the past two weeks. The pattern is delivering familiar pressure to a region that has had very little time to dry out between events.
Chicago and the upper Midwest will see increasing clouds through Wednesday as the front approaches from the northwest. The Storm Prediction Center's Wednesday convective outlook also highlighted a Slight Risk of severe thunderstorms over parts of the Upper Mississippi Valley, with damaging wind gusts and large hail the primary hazards. Communities in the flood-impacted Ohio and Michigan border region that are still working through cleanup from Monday's event should be prepared for additional heavy rainfall through Wednesday evening.
The WPC's extended outlook indicates that a reasonably strong frontal system is expected to push through the Midwest and Central Plains by Thursday, potentially generating a corridor of heavy rainfall and thunderstorm activity along and ahead of it into the weekend. Above-normal precipitation is favored across the Upper Midwest and Great Lakes through at least August 10 according to the NWS Climate Prediction Center extended outlook. The pattern driving this activity — a persistent trough over the Great Lakes interacting with Gulf moisture surging north ahead of it — does not appear to be breaking down before the end of next week at the earliest.
Sources: NWS Storm Prediction Center · NWS Weather Prediction Center · NWS Cleveland · NOAA Climate Prediction Center
Texas & Oklahoma
Triple-Digit Heat Locks Down Texas and Oklahoma Wednesday — DFW, Houston, Austin, San Antonio, and the Panhandle All at or Above 100°F With No Relief in Sight
DFW is forecast at 102°F Wednesday with southerly winds at 10 to 15 mph and heat index values near 108°F — virtually the same story that has played out every day for the past week and a half. The NWS Fort Worth/Dallas office confirms the upper-level ridge remains firmly in control, with triple-digit highs and overnight lows in the upper 70s to low 80s locked in through at least next week and no meaningful rain in the forecast. School athletics programs across the Metroplex are operating under UIL Wet Bulb Globe Temperature protocols, triggering outdoor practice suspensions across multiple districts this week.
The heat blankets the entire state, not just the Metroplex. Houston is running near 100°F Wednesday with heat indices topping 105°F, and Austin and San Antonio are both in the 100°F range — consistent with the statewide triple-digit pattern Texas Storm Chasers noted held across essentially every major city heading into this week. The Texas Panhandle is running even hotter, with Amarillo forecast near 104°F and areas around Childress and Pampa approaching 105°F. NWS Amarillo has flagged the Panhandle as a region where temperatures could run 7 to 8 degrees above normal this month, potentially challenging historical records. Oklahoma is locked into the same dome, with Oklahoma City and Tulsa both in the upper 90s to near 100°F Wednesday and daily storm chances remaining limited as the high pressure center holds its grip across the southern Plains.
Sources: NBC 5 DFW · NWS Fort Worth/Dallas · NWS Houston/Galveston · NWS Amarillo · AccuWeather · Texas Storm Chasers · NWS Weather Prediction Center
Mountain West
Heat Dome Expands Over the Rockies and High Plains Wednesday — Critical Fire Weather Returns to Montana and Wyoming as the Ridge Intensifies and Spreads North and East
The expansive heat dome that has dominated the Mountain West for nearly two weeks is not retreating Wednesday — it is expanding. The NWS extended forecast outlook, valid through August 10, indicates the upper ridge causing excessive heat over the Southwest will intensify and push north and eastward through the latter half of the week, bringing its worst conditions yet to portions of central and eastern Montana and the northern High Plains. CNN reported this week that about 45 million people across the West remain under active heat alerts, with records at risk from California to Montana as the heat dome broadens its footprint.
Wyoming is again under active heat advisories Wednesday, with temperatures in lower basin communities around Casper expected in the upper 90s to near 102°F. Red Flag Fire Warnings remain in effect through Wednesday afternoon across much of the state, with single-digit relative humidity and gusty afternoon winds keeping fire behavior analysts on high alert. The NIFC's August significant fire potential outlook, issued August 1, confirmed that above-normal fire potential is forecast across most of the northwestern U.S. — from central Utah and western Wyoming westward to the Pacific Northwest coast — through the month. CNN additionally reported that critical fire weather risk is projected for much of Montana and parts of Idaho and Wyoming.
Colorado's Front Range is holding in the high 90s to near triple digits Wednesday, consistent with the broader pattern. Death Valley and the eastern Sierra Nevada remain among the hottest locations on Earth this week, with Death Valley forecast near or above 120°F and the NWS Las Vegas office noting that dangerous heat will persist across the Southwest through this week. Heat advisories from NWS offices in Denver, Bismarck, and Rapid City cover an enormous geographic swath of the interior West and northern High Plains. Billings, Montana, earlier this week approached its all-time temperature record according to Fox Weather, which gives some indication of just how extraordinary the heat dome's reach has been across this region.
Western North Dakota and western South Dakota are squarely inside the heat and fire danger zone as well. The NWS Bismarck office issued Red Flag Warnings for much of southwestern North Dakota through this week, citing single-digit humidity values and breezy winds across the Dunn, Golden Valley, Billings, and Stark County corridors. Western South Dakota — including the Rapid City area and the Black Hills foothills — is seeing similar conditions, with heat and fire danger elevated across central and western portions of the state. Eastern North Dakota and eastern South Dakota are tracking slightly cooler with some storm chances, but the western halves of both states remain firmly under the heat dome's influence through at least midweek.
Sources: CNN · NWS Storm Prediction Center · NWS Denver · NWS Bismarck · NWS Rapid City · NWS Weather Prediction Center · NIFC · Fox Weather
Desert Southwest
Las Vegas Extreme Heat Warning Extended Through Saturday — Highs Hold Above 110°F All Week as Phoenix and Southern Nevada Log Their Hottest Stretch of 2026
The Desert Southwest is offering no relief Wednesday, and none is coming before at least the weekend. The NWS Las Vegas office confirmed Tuesday that Extreme Heat Warnings and Heat Advisories across Southern Nevada have been extended through Saturday, with forecast highs remaining above 110°F through at least Thursday. Fox5 Vegas reported that this is the dominant weather story for the Las Vegas Valley this week, with the heat wave continuing to rank among the most prolonged and dangerous in the city's modern record. The NWS Las Vegas July review, issued this week, noted that July 2026 was the third warmest July on record for the city, with an average temperature of 96.6°F — and August has started even hotter.
Harry Reid International Airport logged 115°F earlier this past weekend — the hottest day of 2026 and one degree below the city's all-time record high set in 1979 — before pulling back to the 112 to 114°F range through Monday and Tuesday. The KESQ-reported NWS Extreme Heat Warning issued Tuesday evening extended the warning through August 8, covering portions of northwest Arizona, southeast California, and south-central and southern Nevada, with forecast highs of 110 to 120°F across the Mojave Desert. Overnight lows remain anchored in the mid-to-upper 80s to near 95°F in some valley locations, providing almost no physiological recovery window for the region's residents.
Phoenix remains locked in the same extraordinary heat regime as Las Vegas through Wednesday. The Las Vegas Review-Journal noted that highs in the valley have consistently exceeded 110°F or higher for most of the past week, and that the city's cooling stations at community centers, libraries, and public buildings across Clark County remain open and are being heavily used. Fox5 Vegas reported that slight monsoon thunderstorm chances may return late in the week, which could offer some modest relief from the heat by the weekend — but forecasters are not anticipating a dramatic or sustained pattern change before at least the following week. Residents should continue to use every available resource to stay out of the heat during peak afternoon hours.
Sources: NWS Las Vegas · Fox5 Vegas · Las Vegas Review-Journal · KESQ · AccuWeather
California
Death Valley Near 120°F Wednesday as Interior Heat Persists Above 103°F — California Fire Danger Builds Rapidly as Fuels Approach Driest Readings on Record
California's interior communities are enduring another day in the extreme heat Wednesday, with Death Valley forecast near 120°F and the Central Valley corridor from Redding south through Fresno and Bakersfield expected in the 103 to 107°F range under mostly sunny skies. The NWS offices in Los Angeles and Sacramento have maintained Extreme Heat Warnings and Heat Advisories across the vast majority of California's population through at least mid-week, and cooling centers across the state continue to operate at or near capacity. The coastal marine layer remains the only meaningful buffer, keeping beach communities and Bay Area coastal zones in the upper 70s to mid-80s — but that relief evaporates within miles inland.
The fire danger picture in California is deteriorating rapidly heading into Wednesday. KMPH Fresno's 2026 California fire season August update documented that the Energy Release Component — a measure of how dry and flammable fire fuels have become — is now approaching the driest readings ever recorded for this date in the Central and Southern Sierra Nevada foothills below 3,000 feet. The forecast shows the next two weeks of triple-digit heat pushing fuel dryness toward all-time record territory, dramatically increasing the risk of rapid fire spread from any ignition. Cal Fire has suspended all residential burn permits statewide across the State Responsibility Area, and local air quality management districts across much of the state have declared mandatory No Burn Days.
Air quality across Northern California and the Sierra Nevada foothills continues to be degraded by smoke drifting south from Oregon's historically active 2026 wildfire season. The Feliz Fire in Mendocino County is generating locally significant smoke impacts across the North Coast, and smoke advisories are in effect from neighboring counties. The broader wildfire situation in the Great Basin and Pacific Northwest continues to contribute to hazy and at times unhealthy air quality across the northern third of the state. California residents are urged to continue taking both hazards seriously — the extreme heat and the air quality — and to follow all official guidance on cooling center locations and outdoor activity limitations.
Sources: NWS Los Angeles · NWS Sacramento · KMPH Fresno · California Air Resources Board · IQAir · AccuWeather
Pacific Northwest
Oregon's Shingle Fire Grows to 70,372 Acres at 33 Percent Containment — Spokane Complex Destroys 700-Plus Structures and Remains 0 Percent Contained as the Pacific Northwest Burns
Oregon's catastrophic 2026 wildfire season has continued to evolve since Tuesday's reporting cycle. The Shingle Fire in Wheeler County, which was at 67,416 acres and 16 percent contained as of Tuesday, has grown to 70,372 acres with containment improving to 33 percent as of the August 4 evening reporting cycle per NIFC WFIGS data confirmed by FireRisk.ai and the livewildfiremap.com Oregon tracker. The containment improvement is meaningful — crews have now secured a third of the fire's perimeter — but with timber and grass fuels across the fire's interior still capable of active burning and hot, dry weather forecast to return early next week, the situation demands continued vigilance.
The broader Oregon fire picture remains severe. The Rowe Creek Complex — now the largest tracked complex in the state at approximately 323,951 acres — is 60 percent contained as of the latest reporting cycle. The Big Grass Fire in Malheur County has grown to approximately 342,352 acres with only 25 percent containment, making it Oregon's single largest fire. The Akawa Butte Fire in Jefferson County has shown significant progress in containment — the IQAir tracker updated August 4 shows the Akawa Butte at 85 percent contained, a major improvement from earlier in the week. The Bench Fire in Jefferson County stands at approximately 67,238 acres with 84 percent containment.
The conditions driving Oregon's season to unprecedented levels — extreme heat, critically dry fuels, and gusty winds — will persist through the week. The NWS Portland office and AccuWeather both confirm that high temperatures and very dry conditions will continue across the Pacific Northwest through Wednesday and Thursday, with no significant rainfall in any model guidance through at least the weekend. Smoke from Oregon's active fires continues to generate degraded air quality across a wide region stretching from the Pacific Northwest east into the northern High Plains and south into California and Texas. All residents in Oregon's active fire areas should continue to follow Watch Duty, local fire authority updates, and all official evacuation orders without exception.
The Spokane situation remains a major national news story as well. The Spokane Complex — encompassing the Old Trails Fire, the Fairview Fire, and the Autumn Lane Fire — has burned approximately 8,000-plus acres across Spokane County and remains 0 percent contained as of the latest NIFC reporting. More than 700 structures have been destroyed and roughly 65,000 residents were placed under evacuation orders at the height of the emergency, with some zones now downgraded but others still active. The Mann-Grandstaff VA Medical Center evacuated patients, and Governor Bob Ferguson declared a state of emergency, activated the National Guard, and confirmed federal emergency support through FEMA. Arson is under investigation as a possible cause of the Old Trails Fire. Northern Idaho — which sits directly downwind of the Spokane area under prevailing westerly winds — is experiencing degraded air quality from the smoke and should continue to monitor NWS Spokane guidance closely.
Sources: FireRisk.ai · NIFC WFIGS · Wildfire Explorer · KHQ Spokane · CNN · NWS Portland · NWS Spokane · AccuWeather