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.

76°F

24°C

Humidity	41%
Wind Speed	E 2 MPH
Barometer	NA
Dewpoint	51°F (11°C)
Visibility	NA
Heat Index	78°F (26°C)
Last update	27 May 09:00 PM MDT

More Information:

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

Detailed forecast for

Northern Blaine County

Rest Of Tonight

Mostly cloudy with chance of rain showers and slight chance of thunderstorms early in the evening, then mostly cloudy with slight chance of rain in the late evening and early morning. Partly cloudy early in the morning. Lows in the upper 50s. East winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 40 percent.

Thursday

Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 90s. Southeast winds 5 to 15 mph with gusts to around 30 mph.

Thursday Night

Mostly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Friday

Partly sunny. Highs in the mid 90s. Southeast winds 5 to 15 mph.

Friday Night

Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows in the upper 50s. Southeast winds 5 to 15 mph shifting to the north 5 to 10 mph after midnight. Chance of precipitation 40 percent.

Saturday

Not as warm. Mostly cloudy. Chance of rain showers in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 80 percent.

Saturday Night

Rain showers and chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows in the upper 40s. Chance of precipitation 90 percent.

Sunday

Windy, cooler. Rain showers likely and slight chance of thunderstorms. Highs in the lower 60s. Chance of precipitation 70 percent.

Sunday Night

Windy. Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s.

Monday And Monday Night

Breezy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs in the mid 60s. Lows in the lower 40s. Chance of precipitation 40 percent.

Tuesday

Partly sunny with a 20 percent chance of rain. Highs in the upper 60s.

Tuesday Night

Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 40s.

Wednesday

Mostly sunny. Highs in the lower 70s.