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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.

43°F

6°C

Humidity	52%
Wind Speed	NW 18 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Wind Chill	35°F (2°C)
Last update	07 Apr 06:00 PM MDT

More Information:

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

Extended Forecast for

Chinook MT

Tonight
Low: 26 °F
Mostly Cloudy
and Blustery
Wednesday
High: 45 °F
Mostly Cloudy
and Breezy
then Mostly
Sunny
Wednesday Night
Low: 25 °F
Mostly Cloudy
Thursday
High: 53 °F
Decreasing
Clouds
Thursday Night
Low: 26 °F
Mostly Clear
Friday
High: 68 °F
Sunny
Friday Night
Low: 36 °F
Mostly Clear
Saturday
High: 72 °F
Mostly Sunny
Saturday Night
Low: 39 °F
Chance Rain

Detailed Forecast

Tonight

Mostly cloudy, with a low around 26. Blustery, with a west northwest wind 17 to 23 mph, with gusts as high as 34 mph.

Wednesday

Partly sunny, with a high near 45. Breezy, with a northwest wind 18 to 23 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 33 mph.

Wednesday Night

Mostly cloudy, with a low around 25. Northwest wind 5 to 7 mph becoming light and variable after midnight.

Thursday

Mostly cloudy, then gradually becoming sunny, with a high near 53. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 26. Northwest wind 5 to 7 mph becoming light and variable.

Friday

Sunny, with a high near 68. Southeast wind 6 to 15 mph, with gusts as high as 23 mph.

Friday Night

Mostly clear, with a low around 36. East southeast wind 6 to 13 mph, with gusts as high as 21 mph.

Saturday

Mostly sunny, with a high near 72. Light east southeast wind becoming east 5 to 9 mph in the afternoon.