Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from February 18, 04:00 PM MST until February 19, 06:00 AM MST

Current conditions at

USCRN SITE NEAR LEWISTOWN 42WSW (JRWM8)

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

-2°F

-19°C

Humidity	70%
Wind Speed	NA 6 MPH
Barometer	NA
Dewpoint	-10°F (-23°C)
Visibility	NA
Wind Chill	-14°F (-26°C)
Last update	18 Feb 04:00 PM MST

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 until February 19, 06:00am

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until February 19, 06:00am
NOW until 6:00am Thu
Winter Weather Advisory
This Afternoon
High: -3 °F
Snow
Tonight
Low: -8 °F
Snow then
Chance Snow
Thursday
High: 13 °F
Slight Chance
Snow then
Mostly Sunny
Thursday Night
Low: 0 °F
Partly Cloudy
Friday
High: 28 °F
Slight Chance
Snow
Friday Night
Low: 10 °F
Slight Chance
Snow then
Partly Cloudy
Saturday
High: 32 °F
Sunny
Saturday Night
Low: 10 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Snow. Steady temperature around -3. Wind chill values as low as -20. North northwest wind around 9 mph. Chance of precipitation is 80%. Total daytime snow accumulation of around an inch possible.

Tonight

Snow, mainly before midnight. Low around -8. Wind chill values as low as -20. North northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Thursday

A 10 percent chance of snow before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 13. Wind chill values as low as -5. Calm wind becoming east southeast around 5 mph.

Thursday Night

Partly cloudy, with a low around 0. Light and variable wind.

Friday

A 20 percent chance of snow after 11am. Mostly sunny, with a high near 28. Light and variable wind becoming north northwest 5 to 7 mph in the afternoon.

Friday Night

A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 10. Light and variable wind becoming west southwest 5 to 7 mph in the evening.

Saturday

Sunny, with a high near 32. West southwest wind around 7 mph becoming north northeast in the afternoon.

Saturday Night

Partly cloudy, with a low around 10. Light and variable wind becoming south 5 to 7 mph after midnight.

Sunday

Partly sunny, with a high near 36.

Sunday Night

Partly cloudy, with a low around 19.

Monday

A chance of rain. Mostly sunny, with a high near 48.

Monday Night

A chance of rain and snow. Mostly cloudy, with a low around 26.