National Weather Service

News Headlines

SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.

Current conditions at

HARLEM (HRLM)

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

41°F

5°C

Humidity	99%
Wind Speed	W 2 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Last update	18 Jun 05:00 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Northern Blaine County

Today

Breezy. Partly sunny in the morning. Chance of rain showers and slight chance of thunderstorms in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the mid 60s. West winds 5 to 15 mph increasing to northwest 15 to 25 mph in the afternoon. Chance of precipitation 80 percent.

Tonight

Mostly clear. A 20 percent chance of thunderstorms in the evening. Lows in the lower 40s. Northwest winds 10 to 20 mph with gusts to around 35 mph decreasing to 5 to 10 mph after midnight.

Juneteenth

Sunny. Highs around 70. Northwest winds up to 10 mph shifting to the east in the afternoon.

Friday Night

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. East winds 5 to 15 mph. Gusts up to 30 mph after midnight.

Saturday

Windy. Mostly sunny. Highs in the mid 70s. Southeast winds 15 to 30 mph.

Saturday Night

Breezy. Rain showers likely and chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows around 50. Chance of precipitation 70 percent.

Sunday

Breezy. Partly sunny. Slight chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 50 percent.

Sunday Night

Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the mid 40s.

Monday And Monday Night

Partly cloudy. Highs in the mid 60s. Lows in the mid 40s.

Tuesday

Sunny. Highs in the mid 70s.

Tuesday Night

Partly cloudy. Lows around 50.

Wednesday

Mostly sunny. Slight chance of rain showers in the morning, then slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 20 percent.