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

Hazardous Weather Conditions

Winter Weather Advisory in effect from April 2, 03:00 PM MDT until April 3, 12:00 PM MDT

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

Lat: 46.88472°NLon: 110.28944°WElev: 5045.0ft.

45°F

7°C

Humidity	55%
Wind Speed	NA 4 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Wind Chill	43°F (6°C)
Last update	01 Apr 11:00 AM MDT

More Information:

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

Extended Forecast for

6 Miles WSW Windham MT

Winter Weather Advisory April 2, 03:00pm until April 3, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

This Afternoon
High: 52 °F
Chance Rain
Tonight
Low: 33 °F
Chance Rain
Thursday
High: 47 °F
Rain Likely
then
Rain/Snow
Thursday Night
Low: 25 °F
Snow and
Blustery
Friday
High: 42 °F
Snow then
Chance Snow
Friday Night
Low: 26 °F
Mostly Clear
Saturday
High: 53 °F
Sunny
Saturday Night
Low: 31 °F
Mostly Clear
Sunday
High: 57 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 30 percent chance of rain, mainly between 3pm and 4pm. Partly sunny, with a high near 52. East wind 5 to 9 mph.

Tonight

A 50 percent chance of rain after 9pm. Increasing clouds, with a low around 33. South southeast wind 8 to 11 mph, with gusts as high as 20 mph.

Thursday

Rain likely before noon, then rain showers between noon and 3pm, then snow showers, possibly mixed with rain after 3pm. Some thunder is also possible. High near 47. South wind 6 to 11 mph becoming northwest 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow. Low around 25. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Friday

Snow, mainly before noon. High near 42. West northwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Friday Night

Mostly clear, with a low around 26. Northwest wind 6 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

Saturday

Sunny, with a high near 53. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.

Saturday Night

Mostly clear, with a low around 31. Southwest wind 7 to 10 mph.

Sunday

Mostly sunny, with a high near 57.

Sunday Night

A slight chance of rain before 3am, then a slight chance of rain and snow. Mostly cloudy, with a low around 31.

Monday

Partly sunny, with a high near 55.