Severe Thunderstorm and Tropical Storm Bertha Impacts

Numerous severe thunderstorms are expected across a broad region from the Ohio Valley to the Mid-Atlantic and Northeast States today into tonight. Swaths of damaging wind gusts are expected and some tornadoes are possible. Bertha is expected to bring tropical storm conditions to portions of the Gulf Coast from the Florida Panhandle westward to southeastern Louisiana later today and Wednesday. Read More >

Current conditions at

HARLEM (HRLM)

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

NA

68°F

20°C

Humidity 73%
Wind Speed ESE 4 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Last update 21 Jul 11:00 AM MDT
Detailed forecast for

Northern Blaine County

Today
Mostly cloudy until late afternoon then becoming mostly sunny. Patchy smoke early in the morning. Patchy smoke late in the afternoon. Highs in the lower 80s. Southeast winds up to 10 mph.
Tonight
Partly cloudy. Lows in the upper 50s. East winds 5 to 10 mph.
Wednesday
Sunny. Highs in the upper 80s. Southeast winds 5 to 10 mph.
Wednesday Night
Partly cloudy. Lows in the lower 60s. Southeast winds 5 to 10 mph.
Thursday
Sunny. Highs in the mid 90s. South winds up to 10 mph.
Thursday Night
Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the mid 60s.
Friday
Breezy, sunny. Highs around 101.
Friday Night Through Monday
Mostly clear. Lows in the mid 60s. Highs 94 to 99.



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336 AM MDT Tue Jul 21 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database