National Weather Service

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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.

59°F

15°C

Humidity	88%
Wind Speed	SSW 3 MPH
Barometer	NA
Dewpoint	56°F (13°C)
Visibility	NA
Last update	04 Jun 10:00 PM MDT

More Information:

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

Detailed forecast for

Northern Blaine County

Tonight

Mostly clear. A 20 percent chance of thunderstorms early in the evening. Lows in the mid 40s. West winds 5 to 10 mph. Gusts up to 25 mph in the evening.

Friday

Sunny. Highs in the upper 70s. Southwest winds 5 to 15 mph with gusts to around 30 mph.

Friday Night

Mostly cloudy. A 50 percent chance of rain showers after midnight. Lows in the upper 40s. Southwest winds up to 10 mph with gusts to around 25 mph shifting to the north after midnight.

Saturday

Mostly sunny. Highs in the mid 70s. North winds up to 10 mph shifting to the east in the afternoon.

Saturday Night

Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows in the mid 40s. Northwest winds 5 to 15 mph. Gusts up to 30 mph after midnight. Chance of precipitation 60 percent.

Sunday

Breezy, cooler. Mostly cloudy with a 50 percent chance of rain showers. Highs in the mid 60s.

Sunday Night

Mostly cloudy with chance of rain in the evening, then partly cloudy with slight chance of rain after midnight. Lows in the lower 40s. Chance of rain 30 percent.

Monday

Mostly sunny. Highs in the lower 70s.

Monday Night

Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows in the upper 40s. Chance of precipitation 50 percent.

Tuesday

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

Tuesday Night

Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows in the upper 40s. Chance of precipitation 40 percent.

Wednesday Through Thursday

Breezy. Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs in the lower 70s. Lows in the upper 40s. Chance of precipitation 50 percent.