Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

HARLEM (HRLM)

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

NA

86°F

30°C

Humidity 31%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Heat Index84°F (29°C)
Last update 17 Aug 06:00 PM MDT
Detailed forecast for

Northern Blaine County

Tonight
Partly cloudy. A 20 percent chance of thunderstorms until early morning. Patchy smoke in the evening. Patchy fog late in the night. Lows around 50. Northeast winds up to 10 mph.
Tuesday
Mostly sunny. Patchy fog in the morning. Patchy smoke in the afternoon. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. East winds up to 5 mph shifting to the south in the afternoon.
Tuesday Night
Partly cloudy. A 20 percent chance of thunderstorms in the evening. Patchy smoke through the night. Lows in the lower 50s. South winds up to 10 mph.
Wednesday
Sunny. Patchy smoke in the morning. Highs in the mid 80s. West winds up to 10 mph increasing to 10 to 15 mph in the afternoon.
Wednesday Night
Partly cloudy. Lows in the mid 50s. Northwest winds 5 to 10 mph shifting to the northeast after midnight.
Thursday Through Friday
Mostly clear. Highs in the lower 80s. Lows in the lower 50s.
Friday Night
Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s.
Saturday
Breezy. Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the mid 80s.
Saturday Night
Breezy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Lows in the upper 50s. Chance of precipitation 40 percent.
Sunday And Sunday Night
Partly cloudy. A 20 percent chance of rain showers. Highs in the lower 80s. Lows in the mid 50s.
Monday
Sunny. Highs in the lower 80s.



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337 PM MDT Mon Aug 17 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database