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 17, 11:38 PM MST until February 18, 11:00 PM MST

Current conditions at

HELENA VALLEY (HVMT)

Lat: 46.67917°NLon: 111.98333°WElev: 3673.0ft.

0°F

-18°C

Humidity	56%
Wind Speed	NNW 12 MPH
Barometer	NA
Dewpoint	-12°F (-24°C)
Visibility	NA
Wind Chill	-17°F (-27°C)
Last update	18 Feb 09:00 AM MST

More Information:

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

Extended Forecast for

11 Miles NE East Helena MT

Winter Weather Advisory until February 18, 11:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until February 18, 11:00pm
NOW until 11:00pm Wed
Winter Weather Advisory
Today
High: 9 °F
Chance Snow
then Snow
Likely
Tonight
Low: -4 °F
Chance Snow
Thursday
High: 25 °F
Slight Chance
Snow then
Sunny
Thursday Night
Low: 8 °F
Partly Cloudy
Friday
High: 32 °F
Slight Chance
Snow
Friday Night
Low: 11 °F
Slight Chance
Snow then
Partly Cloudy
Saturday
High: 34 °F
Sunny
Saturday Night
Low: 11 °F
Partly Cloudy

Detailed Forecast

Today

Snow likely, mainly after 1pm. Mostly cloudy, with a high near 9. Wind chill values as low as -10. North northwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

Tonight

A 50 percent chance of snow after 3am. Mostly cloudy, with a low around -4. Wind chill values as low as -10. Northwest wind 5 to 7 mph becoming calm after midnight. New snow accumulation of less than a half inch possible.

Thursday

A 20 percent chance of snow before 11am. Mostly sunny, with a high near 25. Wind chill values as low as -5. Calm wind.

Thursday Night

Partly cloudy, with a low around 8. Calm wind.

Friday

A 20 percent chance of snow after 11am. Partly sunny, with a high near 32. Calm wind becoming west 5 to 7 mph in the afternoon.

Friday Night

A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 11. West wind around 5 mph becoming light and variable in the evening.

Saturday

Sunny, with a high near 34. South southeast wind around 6 mph.

Saturday Night

Partly cloudy, with a low around 11. Light and variable wind.