Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >

Current conditions at

HARLEM (HRLM)

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

NA

92°F

33°C

Humidity 38%
Wind Speed ESE 9 MPH
Barometer NA
Dewpoint 63°F (17°C)
Visibility NA
Heat Index93°F (34°C)
Last update 18 Jul 02:00 PM MDT
Detailed forecast for

Northern Blaine County

Rest Of Today
Sunny. A 20 percent chance of thunderstorms late in the afternoon. Highs in the mid 90s. South winds 5 to 15 mph.
Tonight
Partly cloudy. Slight chance of thunderstorms in the evening, then slight chance of showers after midnight. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent.
Sunday
Breezy, sunny. Highs around 90. West winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon.
Sunday Night
Mostly clear. Lows in the upper 50s. Northwest winds 5 to 15 mph. Gusts up to 35 mph in the evening.
Monday
Sunny. Highs in the mid 80s. Northwest winds 10 to 20 mph with gusts to around 35 mph.
Monday Night Through Tuesday Night
Partly cloudy. Lows in the upper 50s. Highs in the mid 80s.
Wednesday
Mostly sunny. Highs in the lower 90s.
Wednesday Night
Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of showers after midnight. Lows in the lower 60s.
Thursday And Thursday Night
Partly cloudy. A 20 percent chance of thunderstorms. Highs in the lower 90s. Lows in the lower 60s.
Friday
Mostly sunny. Highs in the upper 90s.



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1232 PM MDT Sat Jul 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database