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Northeast
Northeast
New York City carries Tuesday's frontal activity into Wednesday, with the cold front that brought scattered severe storms overnight now pushing through the region and ushering in slightly more comfortable conditions by afternoon. Highs settle into the mid-to-upper 80s under a mix of sun and clouds as dewpoints begin to ease from their oppressive stretch — though residual humidity lingers through the midday hours. The WPC's short-range discussion notes the front is pulling east-northeast, with the worst of the heavy rain threat shifting toward the coastal Mid-Atlantic before daybreak.
Philadelphia drops into the upper 80s to near 90°F as the front sweeps through, with any lingering morning showers clearing by noon. The NWS Philadelphia forecast office notes that while the severe threat has diminished from Tuesday's heightened setup, isolated cells remain possible along the trailing boundary into the early afternoon. Boston stays comfortable in the mid-to-upper 70s following the frontal passage, with the NWS Boston office carrying mostly sunny skies and lower dewpoints through the afternoon.
- NYC — 86°F, partly cloudy, front clearing
- Newark — 87°F, humidity easing, afternoon clearing
- Philadelphia — 89°F, lingering morning showers, clearing
- Boston — 77°F, comfortable, mostly sunny
- Hartford — 82°F, partly cloudy
- Providence — 80°F, clearing skies
Mid-Atlantic & East Coast
Washington sees modest frontal relief arriving Wednesday after two days of oppressive heat and humidity, with highs pulling back toward 88–89°F as the boundary sweeps through and dewpoints begin their gradual retreat from the low 70s. The NWS Baltimore forecast office notes the front brings a brief window of storm activity through the pre-dawn hours before skies begin to clear — with conditions returning to more tolerable levels by Wednesday evening ahead of a drier stretch into the weekend.
Baltimore and Richmond track in the upper 80s as the front passes, still warm but no longer operating under the brutal feel-like temperatures that pushed heat indices past 100°F through the heart of the week. The Severe Thunderstorm Watch that covered portions of New Jersey, Delaware, and suburban Philadelphia has been allowed to expire, though NWS forecasters note additional rounds of storms remain possible along the trailing boundary through Thursday.
- Washington — 88°F, front clearing, humidity easing
- Baltimore — 87°F, partly cloudy, drying out
- Philadelphia — 89°F, lingering showers early
- Richmond — 88°F, warm, front pushing through
- Virginia Beach — 85°F, sea breeze, clearing
- Wilmington DE — 87°F, storm watch expired
Florida
Miami holds near 91°F under a mostly sunny sky Wednesday as Atlantic high pressure continues to dominate the peninsula, with heat index values climbing into the lower to middle 100s through the peak afternoon hours. The NWS Miami forecast carries an isolated storm chance through the afternoon as daytime heating and the sea breeze interact — below the typical summer pace, consistent with the drier air pattern in place across South Florida. A Heat Advisory is in effect through the evening for portions of Southeast and Southwest Florida, where feel-like temperatures will push toward 105–107°F. Orlando and Tampa push again into the low-to-mid 90s under thick Gulf humidity, with widely scattered afternoon storms possible across the interior during the peak heating window.
The Gulf of Mexico is quiet on Wednesday with no active tropical cyclone in the basin. The NHC's 2:00 AM EDT tropical weather outlook notes Invest AL92 — a disorganized tropical wave — is located roughly 800 miles southwest of the Cabo Verde Islands in the central Atlantic. Environmental conditions are forecast to become more conducive for development later this week, with a tropical depression likely to form as the system moves westward. It poses no near-term threat to the Gulf Coast.
- Miami — 91°F, mostly sunny, heat advisory
- Fort Lauderdale — 90°F, humid, heat index 106°F
- West Palm Beach — 91°F, slight afternoon storm chance
- Orlando — 93°F, partly cloudy, afternoon storms
- Tampa — 95°F, heat advisory, sea breeze storms
- Naples — 91°F, humid, isolated storms
- Pensacola — 86°F, hot and dry
Southeast
The northern Gulf Coast is quiet Wednesday with no tropical system in the basin, leaving New Orleans and the surrounding metro under a typical midsummer heat and humidity pattern. Highs in the Crescent City push toward 92–93°F with heat index values well above 100°F through the afternoon, consistent with AccuWeather's August monthly forecast for the region which shows daily highs ranging from the upper 80s to the mid-90s. Scattered afternoon convection is possible across the Gulf States as daytime heating destabilizes the humid airmass, but no organized severe threat is in place.
The WPC's short-range discussion notes midsummer heat persists from the Central Plains to the Southeast, with the heat dome that has gripped the region through the week continuing to hold sway. Atlanta holds in the upper 80s under partly cloudy skies with the usual afternoon ridge convection. Charlotte and Raleigh track in the mid-to-upper 80s under a warm and drying pattern, with NOAA's above-normal heat outlook for the Carolinas corridor remaining in effect through the remainder of August.
- New Orleans — 92°F, hot and humid, afternoon storms possible
- Baton Rouge — 92°F, heat and humidity
- Mobile — 89°F, partly cloudy, afternoon convection
- Pensacola — 86°F, hot and dry
- Atlanta — 88°F, afternoon convection
- Charlotte — 85°F, warm and drying
Midwest
The severe weather setup that produced damaging winds and large hail across the Dakotas and Upper Midwest overnight has shifted eastward Wednesday, with the Storm Prediction Center's Day 1 Slight Risk now focused from northern Illinois into the Ohio Valley and central Appalachians. The NWS Chicago office notes a bowing line of storms moving through central Kentucky and northeast Tennessee is capable of continued damaging wind gusts, with the threat of flash and urban flooding increasing as storms track over already saturated soils across the Ohio Valley region. The WPC has posted a Moderate Risk of excessive rainfall for portions of the Ohio Valley through Wednesday morning.
Chicago remains on the trailing edge of the severe setup, with showers clearing through midday as the front pushes east. Minneapolis sees improving conditions in the wake of Tuesday's overnight storm activity, while Des Moines and Omaha hold in the mid-to-upper 80s, warm and humid. Elevated wildfire smoke from Pacific Northwest fires continues to affect the Dakotas and Upper Plains, with NWS forecasters noting surface-level air quality impacts are possible across the region through the week.
- Chicago — 81°F, clearing, Ohio Valley threat shifting east
- Minneapolis — 77°F, improving, clearing
- Des Moines — 85°F, warm
- Omaha — 86°F, humid
- Fargo — 79°F, elevated smoke
- Sioux Falls — 80°F, clearing after overnight storms
Texas & Oklahoma
Dallas and Fort Worth hold near 101°F Wednesday as midsummer heat persists across the Central Plains and Southeast, per the WPC's short-range discussion. The NWS Fort Worth office carries heat index values again peaking between 105–107°F through the afternoon under dry and sunny conditions, with grass fire risk continuing elevated across North and Central Texas ahead of a mid-to-late week increase in winds and dropping humidity that forecasters warn could push fire danger to critical levels. No meaningful rainfall is in the forecast for the DFW region through at least the weekend.
Austin and San Antonio sit in the low 100s under dry conditions, while Houston tracks near 97°F with the heat dome to produce oppressive heat index values well above 105°F. Oklahoma City and Tulsa both hold toward the upper 90s as the heat dome maintains its grip across the southern Plains.
- Dallas — 101°F, hot, heat index 106°F
- Fort Worth — 101°F, heat advisory, fire risk elevated
- Austin — 101°F, dry
- San Antonio — 100°F, humid
- Houston — 97°F, muggy
- Oklahoma City — 97°F, hot
- Tulsa — 96°F, hot
Mountain West
Denver holds near 97–99°F Wednesday as the western heat dome begins to show early signs of flattening across the northern Rockies, though relief remains days away for the southern end of the ridge. Fire danger across Wyoming, Colorado, and the northern Plains stays elevated as low relative humidity and gusty afternoon winds persist, and NWS forecasters note the risk is expected to increase significantly across the High Plains through midweek as dry conditions deepen. Cheyenne and Casper again approach or exceed 100°F, extending what has become a historic stretch of extreme heat across the region.
Billings and Rapid City track the upper 90s as the ridge holds from Arizona northward into Montana. Air quality across Idaho, Montana, and Wyoming continues to deteriorate from Pacific Northwest wildfire smoke, with hazardous surface-level conditions persisting east of the Cascades and NWS noting smoke is expected to remain a factor across the Upper Plains through the week.
- Denver — 98°F, partly cloudy
- Colorado Springs — 94°F, dry
- Cheyenne — 100°F, fire danger elevated
- Casper — 100°F, critical fire weather
- Billings — 96°F, smoke increasing
- Rapid City — 95°F, hot
Desert Southwest
Las Vegas holds near 110–112°F Wednesday as the region moves past the peak of an extreme heat event that pushed daytime highs to 115°F over the weekend. The Extreme Heat Warning that covered the Las Vegas Valley has been allowed to expire, though temperatures will remain dangerously above normal through the week and Clark County cooling stations remain open. Phoenix sits near 110°F under another clear sky, with overnight lows still falling only into the low 90s — providing little recovery window before another dangerous afternoon unfolds.
Yuma, Lake Havasu, and Palm Springs continue to rank among the nation's hottest locations. The NWS warns that heat illness can progress rapidly without intervention and urges residents to remain indoors during peak afternoon hours, stay hydrated, and check on vulnerable neighbors. Some moderation is forecast for the northern portions of the Southwest by the weekend.
- Las Vegas — 111°F, heat warning expired, still dangerous
- Phoenix — 110°F, extreme heat
- Yuma — 112°F, very hot
- Tucson — 105°F, dry
- Palm Springs — 112°F, extreme
- Lake Havasu — 113°F, severe heat
California
The Central Valley holds under heat advisory conditions Wednesday with Fresno and Bakersfield sitting in the 103–105°F range and Redding remaining near 106–107°F as the ridge of high pressure maintains its grip on interior portions of the state. Sacramento approaches 102°F. Los Angeles cooling stations remain open as above-average temperatures extend into the week, with the NWS noting that while the extreme heat warning covering the region over the weekend has been modified, dangerous conditions persist across inland valleys and the basin.
San Francisco holds under its marine layer at 62–64°F, with the familiar 40-plus degree split from the interior remaining intact. Wildfire smoke from active blazes in Oregon and Washington continues to drift southward, with AccuWeather noting that shifting winds are keeping the worst of the surface-level smoke concentrated east of the Cascades for now, though conditions could worsen with any wind shift.
- Sacramento — 102°F, hot
- Fresno — 104°F, dry
- Bakersfield — 104°F, hot
- Redding — 107°F, extreme heat
- San Francisco — 64°F, marine layer
- Los Angeles (inland) — 92°F, hot
Pacific Northwest
Portland tracks near 87°F Wednesday — still hot, dry, and with no meaningful rain in sight — as fire weather conditions remain dangerous across Oregon and eastern Washington. Seattle holds in the low 80s, where westerly winds continue to push surface-level smoke east of the Cascades, maintaining the improvement in air quality along the I-5 corridor that residents have seen since the wind shift earlier this week.
East of the Cascades, the situation remains severe. Multiple large fires continue to burn across eastern Washington with crews working around the clock, per the Washington Smoke Blog. The Old Trails Fire complex and associated blazes that devastated Spokane County remain active, with Washington Governor Bob Ferguson's public health emergency declaration still in force. Boise sits near 91°F with Red Flag Warnings continuing and wildfire smoke impacting air quality across the surrounding region.
- Portland — 87°F, dry
- Seattle — 82°F, smoke improving
- Spokane — 82°F, hazardous smoke, fires active
- Boise — 91°F, smoke / Red Flag Warning
- Eugene — 84°F, warm
- Bend — 87°F, dry
Sources: NOAA, NWS, Weather Prediction Center, Storm Prediction Center, National Hurricane Center, AccuWeather, Fox Weather, CNN Weather, Local Forecast Offices