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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.

40°F

4°C

Humidity	76%
Wind Speed	NA 5 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Wind Chill	36°F (2°C)
Last update	02 Apr 01:00 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

Overnight
Low: 39 °F
Chance Rain
Thursday
High: 46 °F
Rain Likely
then
Rain/Snow
Likely and
Windy
Thursday Night
Low: 27 °F
Snow and
Patchy
Blowing Snow
Friday
High: 45 °F
Snow Likely
then Chance
Rain/Snow
Friday Night
Low: 27 °F
Mostly Clear
Saturday
High: 54 °F
Sunny
Saturday Night
Low: 30 °F
Mostly Clear
Sunday
High: 52 °F
Mostly Sunny
Sunday Night
Low: 30 °F
Mostly Cloudy

Detailed Forecast

Overnight

A 30 percent chance of rain, mainly before 3am. Mostly cloudy, with a steady temperature around 39. South wind 10 to 15 mph, with gusts as high as 20 mph.

Thursday

Rain likely before noon, then rain and snow showers likely between noon and 3pm, then snow likely after 3pm. Some thunder is also possible. Mostly cloudy, with a high near 46. Windy, with a south wind 7 to 12 mph becoming west northwest 20 to 30 mph. Winds could gust as high as 38 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Thursday Night

Snow. Patchy blowing snow. Low around 27. Windy, with a west northwest wind 24 to 32 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Friday

Snow likely before 3pm, then a chance of rain and snow. Mostly cloudy, with a high near 45. Northwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday Night

Mostly clear, with a low around 27. Northwest wind 7 to 13 mph becoming west southwest after midnight. Winds could gust as high as 21 mph.

Saturday

Sunny, with a high near 54. West southwest wind 10 to 17 mph, with gusts as high as 28 mph.

Saturday Night

Mostly clear, with a low around 30. Northwest wind 5 to 14 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.

Sunday

Mostly sunny, with a high near 52. Light and variable wind becoming north northeast 5 to 8 mph in the afternoon.

Sunday Night

Mostly cloudy, with a low around 30.

Monday

Partly sunny, with a high near 56.