Weather
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Northeast
Northeast
New York City carries Sunday's muggy air directly into Monday, with highs again near 89°F and overnight lows that offered little recovery for a region that has been running hot and humid all weekend. Newark and Jersey City track the same uncomfortable setup, while Philadelphia pushes into the low 90s as scattered storm chances linger through the afternoon hours.
The shortwave energy that rattled the interior Sunday has pushed offshore, leaving the region in a brief lull before the next round of unsettled weather builds mid-week. Boston holds in the low-to-mid 80s following Sunday night's frontal passage, with drier and more comfortable conditions returning to the waterfront by midday.
- NYC — 89°F, humid, decreasing storm chance
- Newark — 89°F, muggy
- Philadelphia — 91°F, lingering storm threat
- Boston — 80°F, drying out
- Hartford — 86°F, partly cloudy
- Providence — 83°F, improving
Mid-Atlantic & East Coast
Washington climbs again toward 91°F Monday as the high-pressure ridge reasserts itself across the region following Sunday's convective activity along the I-95 corridor. Dewpoints remain in the low 70s and the feel outside is oppressive through the afternoon hours, though storm coverage is expected to be lighter than yesterday.
Baltimore and Richmond track warm and humid, with the primary storm threat shifting south and west as the week unfolds. Virginia Beach holds in the upper 80s with a sea breeze offering modest relief along the immediate shoreline.
- Washington — 91°F, humid, slim storm chance
- Baltimore — 90°F, warm
- Philadelphia — 91°F, lingering risk
- Richmond — 89°F, muggy
- Virginia Beach — 87°F, sea breeze
- Wilmington DE — 89°F, partly cloudy
Florida
Miami holds at 90°F under mostly cloudy skies Monday as the daily sea-breeze convection cycle continues across the peninsula. Atlantic high pressure is building northward into the Florida waters, which will gradually reduce storm coverage through midday before isolated cells fire again inland during the afternoon. Orlando and Tampa push to 91–92°F as heat index values climb well above the actual temperature in the thick Gulf humidity.
The National Hurricane Center continues to monitor a tropical wave now several hundred miles west-southwest of the Cabo Verde Islands, carrying a medium development chance over the next seven days, though no immediate threat to Florida is expected.
- Miami — 90°F, partly cloudy
- Fort Lauderdale — 90°F, humid
- West Palm Beach — 90°F, isolated storm chance
- Orlando — 92°F, afternoon cells
- Tampa — 91°F, sea breeze storms
- Naples — 90°F, humid
Southeast
New Orleans and Baton Rouge sit at 91°F Monday as scattered storms linger into the early part of the week before a drier pattern gradually takes hold. Mobile and Pensacola remain unsettled, with Gulf moisture continuing to support daily storm development along the northern Gulf Coast.
Atlanta holds in the upper 80s as scattered afternoon convection continues along the ridgeline, while Charlotte and Raleigh sit in the mid-to-upper 80s under the warm and drying lean across the Carolinas that NOAA's monthly outlook has been forecasting for this corridor throughout August.
- New Orleans — 91°F, lingering storm chance
- Baton Rouge — 91°F, humid
- Mobile — 90°F, scattered storms
- Pensacola — 89°F, unsettled
- Atlanta — 88°F, afternoon convection
- Charlotte — 86°F, warm and drying
Midwest
Chicago holds in the low 80s Monday under a mix of clouds and sunshine, with rainfall odds remaining modest as the frontal boundary stays well to the north and the region stays mostly dry. Minneapolis sees increasing cloud cover as the next system organizes ahead of what forecasters expect to be a more active storm setup across the Upper Mississippi Valley by Tuesday and Wednesday.
Des Moines and Omaha hold in the mid-to-upper 80s, warm and humid. Fargo and Sioux Falls continue to deal with wildfire smoke drifting in from the Pacific Northwest — though NWS forecasters note that this smoke is expected to stay elevated enough to avoid the widespread surface air quality impacts that affected the central US earlier in July.
- Chicago — 82°F, mostly sunny
- Minneapolis — 80°F, clouds building
- Des Moines — 86°F, warm
- Omaha — 87°F, humid
- Fargo — 82°F, elevated smoke
- Sioux Falls — 83°F, breezy
Texas & Oklahoma
Dallas and Fort Worth hold near 100°F Monday as seasonably hot and mostly rain-free conditions lock in across North and Central Texas, with the NWS Fort Worth office noting that heat index values will peak between 100–105°F through the afternoon hours. A low storm chance persists mainly south of I-20, where any isolated cell that develops will be capable of strong gusty winds.
Austin and San Antonio remain locked in the low 100s under dry and relentless conditions, while Houston reaches near 97°F with Gulf humidity pushing heat index values well above 105°F. Grass fire risk is elevated across the region and is forecast to increase significantly by mid-to-late week as humidity drops and winds increase.
- Dallas — 100°F, mostly dry
- Fort Worth — 100°F, hot
- Austin — 101°F, dry
- San Antonio — 100°F, humid
- Houston — 97°F, muggy
- Oklahoma City — 98°F, hot
- Tulsa — 97°F, hot
Mountain West
Denver approaches or touches 100°F again Monday under the western heat dome's continued grip, with fire danger elevated across Wyoming and the high plains as low relative humidity and gusty afternoon winds persist. Cheyenne and Casper push back toward or above triple digits, extending a stretch of extreme heat that has already set records across the region.
Billings and Rapid City track the upper 90s as the ridge of high pressure maintains its hold from Arizona northward. Conditions in Idaho and Montana are deteriorating further for air quality as smoke from Pacific Northwest wildfires travels east on shifting winds, with parts of Idaho, Montana, and Wyoming expected to see degraded air quality continue through the week, per AccuWeather.
- Denver — 99°F, mostly sunny
- Colorado Springs — 96°F, dry
- Cheyenne — 100°F, fire danger
- Casper — 101°F, critical fire weather
- Billings — 98°F, smoke increasing
- Rapid City — 97°F, hot
Desert Southwest
Las Vegas holds near 112°F Monday as the Extreme Heat Warning that has been in effect since Sunday remains active through 8:00 PM PDT this evening. Phoenix sits at 110–113°F under a relentlessly clear sky, with overnight lows that will only fall to the low 90s — offering virtually no recovery window before the next brutal afternoon arrives.
Yuma and Lake Havasu track among the hottest readings in the nation today. Clark County cooling stations remain open through at least Tuesday. The NWS notes that heat exposure can progress rapidly from heat cramps and heat exhaustion to heat stroke without intervention, and residents are urged to stay indoors during peak afternoon hours.
- Las Vegas — 112°F, extreme heat warning expires tonight
- Phoenix — 111°F, dangerous
- Yuma — 113°F, very hot
- Tucson — 106°F, dry
- Palm Springs — 113°F, extreme
- Lake Havasu — 114°F, severe heat
California
The Central Valley bakes again Monday with Fresno and Bakersfield in the 104–106°F range and Redding approaching 108°F under ongoing heat advisory conditions. Sacramento holds near 103°F as the ridge of high pressure keeps inland temperatures well above normal.
San Francisco remains under its marine layer at a cool 63°F — a difference of more than 40 degrees from the interior across less than 60 miles. Wildfire smoke from dozens of active blazes in Oregon and Washington continues to affect air quality across the northern half of the state, with shifting winds keeping the worst of the surface-level smoke concentrated east of the Cascades today, according to AccuWeather.
- Sacramento — 103°F, hot
- Fresno — 106°F, dry
- Bakersfield — 105°F, hot
- Redding — 108°F, extreme heat
- San Francisco — 63°F, marine layer
- Los Angeles (inland) — 94°F, hot
Pacific Northwest
Portland tracks near 87°F Monday — still hot and dry with no meaningful rain in the forecast — as fire weather conditions remain dangerous across Oregon and eastern Washington. Seattle holds in the low-to-mid 80s, and AccuWeather forecasters note that westerly winds are beginning to push the worst of the surface-level smoke away from the I-5 corridor, offering some improvement from conditions residents endured last week.
East of the Cascades, however, the situation remains severe. Spokane continues to deal with hazardous smoke and poor air quality in the wake of the Old Trails Fire, which has destroyed hundreds of structures and threatens thousands of homes. Washington Governor Bob Ferguson's public health emergency declaration, announced Friday, remains in effect. Boise sits near 92°F with Red Flag Warnings covering the surrounding region.
- Portland — 87°F, dry
- Seattle — 81°F, improving smoke
- Spokane — 84°F, hazardous smoke
- Boise — 92°F, smoke / Red Flag
- Eugene — 85°F, warm
- Bend — 88°F, dry
Sources: NOAA, NWS, Weather Prediction Center, Storm Prediction Center, National Hurricane Center, AccuWeather, Local Forecast Offices