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

Cold Weather Advisory until February 19, 12:00 PM MST

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

snow

0°F

-18°C

Humidity	71%
Wind Speed	WNW 12 MPH
Barometer	29.72 in (1006.44 mb)
Dewpoint	-7°F (-22°C)
Visibility	0.50 mi
Wind Chill	-17°F (-27°C)
Last update	18 Feb 01:37 PM MST

More Information:

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

Extended Forecast for

Helena MT

Cold Weather Advisory February 18, 01:46pm until February 19, 12:00pm

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory February 18, 01:46pm until February 19, 12:00pm
NOW until 12:00pm Thu
Cold Weather Advisory
This Afternoon
High: 2 °F
Snow Likely
Tonight
Low: -3 °F
Chance Snow
Thursday
High: 21 °F
Mostly Sunny
Thursday Night
Low: 7 °F
Partly Cloudy
Friday
High: 29 °F
Chance Snow
Friday Night
Low: 13 °F
Partly Cloudy
Saturday
High: 32 °F
Sunny
Saturday Night
Low: 12 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Snow likely, mainly before 2pm. Cloudy and cold, with a high near 2. Wind chill values as low as -15. North northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

A 30 percent chance of snow between 10pm and 2am. Mostly cloudy, with a low around -3. Wind chill values as low as -15. Northwest wind 5 to 7 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

Thursday

Mostly sunny, with a high near 21. Wind chill values as low as -5. Calm wind.

Thursday Night

Partly cloudy, with a low around 7. Calm wind.

Friday

A 30 percent chance of snow after 11am. Partly sunny, with a high near 29. Calm wind becoming west around 6 mph in the afternoon. Little or no snow accumulation expected.

Friday Night

Partly cloudy, with a low around 13. Southwest wind 3 to 6 mph.

Saturday

Sunny, with a high near 32. Southwest wind around 5 mph becoming calm in the morning.

Saturday Night

Partly cloudy, with a low around 12. Light and variable wind.

Sunday

Partly sunny, with a high near 36.

Sunday Night

Partly cloudy, with a low around 21.

Monday

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