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Northeast
Flood Watches Linger Across New York and New England as Storm System Slides Southeast
The cold front that swept through New England on Friday is tracking into the Mid-Atlantic Saturday, but residual moisture and slow-moving thunderstorm clusters are keeping flash flood watches in effect across much of New York, Connecticut, and western Massachusetts. Cities including New York, Philadelphia, and Hartford remain on alert for localized rainfall totals of one to three inches, with isolated pockets of up to four to five inches possible where storms stall. Temperatures have dropped into the upper 70s and low 80s behind the front — a welcome if brief reprieve after a stretch of above-normal heat — but another surge of humidity is expected by early next week.
Sources: NWS Weather Prediction Center · Weather.com · WeatherBug
Mid-Atlantic & East Coast
Damaging Winds, Hail, and Flash Flooding Possible From Baltimore and Washington South Through the Carolinas
A slight risk of severe weather is in effect Saturday for a broad corridor stretching from Maryland and Delaware south through Virginia, North Carolina, and into northern South Carolina, with damaging wind gusts, hail, and isolated tornado threats the primary concerns for cities including Baltimore, Washington, Richmond, Virginia Beach, Raleigh, and Charlotte. The SPC notes that a mid-level trough amplifying over the lower Ohio Valley will help drive storm development through the afternoon and evening. Asheville and the North Carolina Piedmont face additional flash flood risk after parts of coastal North Carolina already reported more than five inches of rainfall this week from moisture tied to post-tropical Bertha remnants — with soils saturated and streams running high, additional rainfall will produce rapid runoff.
Sources: NWS Storm Prediction Center · Fox Weather · Weather.com
Florida
Saturated Soils and Daily Afternoon Storms Keep Flash Flood Risk Elevated Across the Peninsula
Florida enters August under the same oppressive pattern that defined most of July: steamy mornings giving way to afternoon and evening thunderstorm clusters capable of brief torrential downpours, gusty winds, and frequent lightning. Heat index values through the afternoon hours will once again push into the 100 to 107°F range across the Jacksonville metro and much of north Florida, while central and southern portions of the Peninsula remain locked in a near-daily sea-breeze storm pattern. Soils across the Big Bend and I-4 corridor remain heavily saturated following earlier moisture from Bertha, keeping flash flood potential elevated even with rainfall totals that would be manageable under drier conditions. Residents in low-lying areas should have a plan ahead of each afternoon storm cycle.
Sources: NWS Jacksonville · NWS Tampa Bay · News4Jax
Southeast
Isolated Severe Storms and Oppressive Heat Press South From the Tennessee Valley to the Gulf Coast
The NWS Storm Prediction Center has flagged isolated severe storm potential across portions of the Ohio and Tennessee Valleys and into the central Gulf Coast states Saturday afternoon and evening, as the advancing cold front interacts with a deep reservoir of Gulf moisture over the region. Cities from Nashville and Chattanooga through Huntsville, Birmingham, and Mobile face the risk of damaging wind gusts and locally heavy rain from slow-moving convection. Jackson, Mississippi, sits at the tail of the storm threat — temperatures will reach into the mid-80s with overnight lows holding above 79°F, keeping heat stress elevated even after storm passage. Louisiana remains in the bull's-eye of tropical moisture, with scattered showers likely through the weekend and no meaningful heat relief in sight through early next week.
Sources: NWS Storm Prediction Center · SevereWeatherOutlook.com · AP
Midwest
Storm System Pushes Into the Ohio Valley — Severe Threat Extends From Illinois Through Kentucky and Indiana
The squall line that pushed through Chicago and the upper Midwest Friday is reorganizing Saturday as a mid-level trough amplifies over the lower Ohio and lower Mississippi Valleys, with a surface low expected to develop near the Illinois-Indiana-Kentucky tri-state area by Sunday morning. The SPC has issued a convective outlook for isolated severe storms — including damaging winds and large hail — across a corridor from southern Illinois and western Indiana through eastern Kentucky and into the Ohio Valley. Portions of the mid-Missouri and upper Mississippi Valleys already logged excessive rainfall this week, and the Weather Prediction Center is watching for additional flood risk in areas with saturated soils. Cleveland and Cincinnati face the heaviest storm potential Saturday evening as the system tracks southeast.
Sources: NWS Storm Prediction Center · NWS Weather Prediction Center · Fox Weather
Texas & Oklahoma
Weak Cold Front Drops Temperatures Into the Low-to-Mid 90s Across North Texas — Triple-Digit Heat Returns Mid-Week
A weak northerly cold front is pushing into North and Northeast Texas Saturday, knocking high temperatures down several degrees from the brutal 100–104°F readings that had Dallas–Fort Worth under a Heat Advisory through Friday. The NWS Fort Worth office expects highs to settle into the upper 90s around DFW by Saturday afternoon before easing further into the lower 90s in the Paris and Texarkana areas by Sunday — relief is relative: this is still August in Texas. Isolated to widely scattered showers and thunderstorms are possible along and behind the frontal boundary, with the biggest storm potential concentrated along the Red River corridor and into Central Texas Saturday. Central and South Texas remain hot and mainly dry, with heat returning in full force across most of the state by midweek. Wildfire smoke drifting in from Oregon's historic fire season may also produce hazy skies across North Texas through the weekend.
Sources: NWS Fort Worth/Dallas · Texas Storm Chasers · NWS Weather Prediction Center
Mountain West
Near-Record Heat Spreads Across the Rockies and High Plains — Boise, Denver, and Salt Lake City Top 100°F
The same upper-level high pressure ridge driving the record heat wave in the Desert Southwest is baking much of the Mountain West Saturday, with Boise, Denver, and Salt Lake City all forecast to reach 100°F or above — well above historical averages for early August. Red Flag Warnings remain in effect across much of Montana, Idaho, and Wyoming as gusty winds, low relative humidity, and extreme temperatures continue to create dangerous fire weather conditions. Afternoon thunderstorms may develop over the higher terrain of eastern Montana and spill onto the western High Plains, bringing brief wind gusts and hail to areas that are already severely drought-stressed. Billings, Rapid City, and Sheridan all recorded all-time temperature records earlier in July, and the current pattern is expected to persist through at least the first week of August.
Sources: NWS Storm Prediction Center · NOAA · Weather.com
Desert Southwest
Historic Heat Wave Peaks Saturday — Las Vegas and Phoenix Forecast to Approach 115 to 120°F
Saturday marks the likely peak of what meteorologists are calling one of the most dangerous heat events on record for the Desert Southwest, with Phoenix and Las Vegas both forecast to approach 115 to 120°F as a powerful heat dome sits locked over the Four Corners region. Death Valley and other parts of the lower desert could approach 125°F at the height of the event. Morning lows in both Phoenix and Las Vegas may only drop into the low 90s, providing almost no overnight recovery. Maricopa County, home to Phoenix, has already recorded 40 confirmed heat-related deaths so far this year. Active monsoon moisture remains in play across the higher terrain of the Mogollon Rim and central New Mexico mountains, with localized flash flood risk from brief but intense afternoon downpours — a dangerous combination of record-breaking heat at lower elevations and rapid runoff at altitude.
Sources: NWS Weather Prediction Center · FOX Weather · CNN · NOAA
California
Extreme Heat Wave Peaks Statewide — Interior Valleys Hit 100 to 110°F, High Surf Adds Coastal Danger
Friday and Saturday represent the peak of the current heat wave across California, with Extreme Heat Warnings and Heat Advisories in effect for the vast majority of the state. The Central Valley from Redding to Bakersfield faces high temperatures between 100 and 110°F, while Los Angeles and coastal Southern California will see highs in the 80s to mid-90s. NOAA's above-normal temperature signal is at its strongest anywhere in the contiguous U.S. over California, and wildfire smoke pouring south from Oregon's historic fire season is reducing air quality across the northern third of the state. Coastal Southern California faces a compounding hazard: a southerly swell fueled by Tropical Storm Genevieve is producing 4- to 8-foot breaking waves with sets exceeding 9 feet and dangerous rip currents, with high surf advisories in effect through Saturday afternoon for beaches from Long Beach through Ventura County.
Sources: NWS Los Angeles · FOX 11 LA · NOAA · NWS Weather Prediction Center
Pacific Northwest
Oregon's 2026 Wildfire Season Nears All-Time Record — 1.7 Million Acres Burned, Season Tracking to Exceed 2024
Oregon entered August with 46 active wildfires burning across more than 1.4 million acres as of July 31, with a seasonal total approaching 1.7 million acres — rapidly closing in on the state's all-time record of 1.93 million acres set during the devastating 2024 season. The Big Grass Fire in Malheur County, which has spread into Idaho, stands as the largest active incident at over 303,000 acres with only 21% containment. Oregon is currently at National Preparedness Level 5 of 5 — the maximum — straining every available firefighting resource. Red Flag Warnings remain in effect across much of the Pacific Northwest Saturday, with 90°F temperatures, single-digit relative humidity, and wind gusts above 30 mph continuing to drive extreme fire behavior. The Trump administration has denied federal firefighting assistance grants for two of Oregon's most significant fires, despite approving grants for others requested by Gov. Tina Kotek. A massive smoke plume continues to impact air quality from the Pacific Northwest east to the Plains and as far south as Florida.
Sources: KGW · KPTV · FireRisk.ai · NIFC · AP