National Weather Service

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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.

74°F

23°C

Humidity	47%
Wind Speed	ESE 6 MPH
Barometer	NA
Dewpoint	53°F (12°C)
Visibility	NA
Last update	20 Jun 08:00 PM MDT

More Information:

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

Detailed forecast for

Northern Blaine County

Tonight

Breezy. Mostly cloudy. Chance of thunderstorms in the evening. Chance of rain showers and slight chance of thunderstorms after midnight. Lows in the lower 50s. Southeast winds 15 to 25 mph becoming east 5 to 15 mph after midnight. Chance of precipitation 50 percent.

Sunday

Breezy. Mostly sunny. Highs in the lower 70s. Northwest winds 10 to 25 mph.

Sunday Night

Partly cloudy in the evening, then mostly cloudy with a 20 percent chance of rain showers after midnight. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts to around 30 mph.

Monday

Breezy. Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. West winds 15 to 25 mph with gusts to around 40 mph. Chance of precipitation 50 percent.

Monday Night

Breezy. Partly cloudy. Lows in the lower 40s. Northwest winds 15 to 25 mph with gusts to around 40 mph decreasing to 10 to 15 mph after midnight.

Tuesday And Tuesday Night

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

Wednesday

Mostly sunny. Highs in the mid 70s.

Wednesday Night

Mostly clear. Lows around 50.

Thursday And Thursday Night

Partly cloudy. A 20 percent chance of thunderstorms. Highs in the lower 80s. Lows in the mid 50s.

Friday

Mostly sunny. Highs in the mid 80s.

Friday Night

Mostly cloudy. Chance of thunderstorms in the evening, then chance of rain showers and slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of precipitation 50 percent.

Saturday

Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 50 percent.