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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.

29°F

-2°C

Humidity	76%
Wind Speed	WNW 14 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	18°F (-8°C)
Last update	16 Apr 10:00 AM MDT

More Information:

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

Extended Forecast for

Chinook MT

Today
High: 36 °F
Partly Sunny
Tonight
Low: 17 °F
Slight Chance
Snow Showers
Friday
High: 45 °F
Mostly Sunny
Friday Night
Low: 22 °F
Partly Cloudy
Saturday
High: 58 °F
Sunny
Saturday Night
Low: 28 °F
Mostly Clear
Sunday
High: 68 °F
Sunny
Sunday Night
Low: 36 °F
Partly Cloudy
Monday
High: 72 °F
Mostly Sunny

Detailed Forecast

Today

Partly sunny, with a high near 36. West northwest wind 18 to 21 mph, with gusts as high as 30 mph.

Tonight

A slight chance of snow showers between 10pm and 1am. Mostly cloudy, with a low around 17. West 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 45. West northwest wind 9 to 14 mph, with gusts as high as 23 mph.

Friday Night

Partly cloudy, with a low around 22. Northwest wind 9 to 14 mph becoming light west after midnight. Winds could gust as high as 22 mph.

Saturday

Sunny, with a high near 58. Calm wind becoming west 5 to 9 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 28. West northwest wind 5 to 8 mph becoming east southeast in the evening.

Sunday

Sunny, with a high near 68. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.

Sunday Night

Partly cloudy, with a low around 36. Southwest wind 5 to 8 mph becoming south southeast in the evening.