Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Hazardous Weather Conditions

Current conditions at

HARLEM (HRLM)

Lat: 48.54333° N Lon: 108.83472° W Elev: 2358.0 ft.

NA

72°F

22°C

Humidity 38%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 27 Jul 10:00 PM MDT
Detailed forecast for

Northern Blaine County

Rest Of Tonight
Mostly clear. Areas of smoke late in the evening, then patchy smoke after midnight. Lows around 60. North winds up to 5 mph.
Tuesday
Sunny. Patchy smoke. Highs in the mid 90s. West winds up to 5 mph shifting to the southeast 5 to 15 mph in the afternoon.
Tuesday Night
Mostly clear. Areas of smoke. Lows around 60. South winds 5 to 10 mph shifting to the northwest after midnight.
Wednesday
Sunny. Areas of smoke in the morning. Highs in the mid 90s. Northwest winds 5 to 15 mph.
Wednesday Night
Partly cloudy. Lows in the lower 60s. North winds 5 to 10 mph shifting to the east after midnight.
Thursday
Sunny. Highs in the mid 90s.
Thursday Night
Mostly clear. A 20 percent chance of rain showers after midnight. Lows around 60.
Friday And Friday Night
Mostly clear. Highs in the mid 90s. Lows around 60.
Saturday And Saturday Night
Mostly clear. Highs around 101. Lows in the mid 60s.
Sunday And Sunday Night
Breezy. Mostly clear. Highs in the mid 90s. Lows in the upper 50s.
Monday
Windy. Not as warm. Sunny. Highs in the upper 70s.



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1007 PM MDT Mon Jul 27 2026
 
 

Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database