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The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will be discontinued on May 6, 2026.

Current conditions at

HARLEM (HRLM)

Lat: 48.54333°NLon: 108.83472°WElev: 2358.0ft.

35°F

2°C

Humidity	57%
Wind Speed	WNW 12 MPH
Barometer	NA
Dewpoint	21°F (-6°C)
Visibility	NA
Wind Chill	27°F (-3°C)
Last update	16 Apr 03:00 PM MDT

More Information:

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

Extended Forecast for

Chinook MT

Tonight
Low: 17 °F
Slight Chance
Snow then
Mostly Cloudy
Friday
High: 44 °F
Mostly Sunny
Friday Night
Low: 23 °F
Partly Cloudy
Saturday
High: 60 °F
Sunny
Saturday Night
Low: 29 °F
Partly Cloudy
Sunday
High: 68 °F
Sunny
Sunday Night
Low: 38 °F
Partly Cloudy
Monday
High: 73 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear

Detailed Forecast

Tonight

A slight chance of snow between 10pm and midnight. Mostly cloudy, with a low around 17. Northwest wind 10 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

Friday

Mostly sunny, with a high near 44. West northwest wind 9 to 15 mph, with gusts as high as 23 mph.

Friday Night

Partly cloudy, with a low around 23. Northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 22 mph.

Saturday

Sunny, with a high near 60. Light west wind increasing to 5 to 10 mph in the morning.

Saturday Night

Partly cloudy, with a low around 29. West northwest wind 5 to 9 mph becoming east southeast in the evening.

Sunday

Sunny, with a high near 68. Light and variable wind becoming southwest 5 to 8 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 38. South southeast wind 6 to 8 mph.