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

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Hazardous Weather Conditions

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

Current conditions at

HELENA VALLEY (HVMT)

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

8°F

-13°C

Humidity	62%
Wind Speed	NNW 9 MPH
Barometer	NA
Dewpoint	-2°F (-19°C)
Visibility	NA
Wind Chill	-5°F (-21°C)
Last update	18 Feb 01:00 AM MST

More Information:

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

Extended Forecast for

6 Miles NNW Helena MT

Cold Weather Advisory February 18, 01:49am until February 19, 12:00pm

Click here for hazard details and duration

Cold Weather Advisory

Cold Weather Advisory February 18, 01:49am until February 19, 12:00pm
NOW until 12:00pm Thu
Cold Weather Advisory
Overnight
Low: -3 °F
Slight Chance
Snow
Wednesday
High: 5 °F
Chance Snow
then Snow
Likely
Wednesday Night
Low: -6 °F
Chance Snow
Thursday
High: 22 °F
Slight Chance
Snow
Thursday Night
Low: 6 °F
Partly Cloudy
Friday
High: 30 °F
Slight Chance
Snow
Friday Night
Low: 10 °F
Partly Cloudy
Saturday
High: 32 °F
Mostly Sunny

Detailed Forecast

Overnight

A slight chance of snow before 4am, then a slight chance of snow after 5am. Mostly cloudy, with a low around -3. Wind chill values as low as -15. North northwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Wednesday

Snow likely, mainly after 1pm. Cloudy and cold, with a high near 5. Wind chill values as low as -20. North wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Wednesday Night

A 40 percent chance of snow, mainly between midnight and 2am. Mostly cloudy, with a low around -6. Wind chill values as low as -15. North northwest wind 3 to 8 mph. New snow accumulation of less than a half inch possible.

Thursday

A 20 percent chance of snow. Mostly cloudy, then gradually becoming sunny, with a high near 22. Wind chill values as low as -5. Calm wind.

Thursday Night

Partly cloudy, with a low around 6. Calm wind.

Friday

A 20 percent chance of snow after 11am. Partly sunny, with a high near 30. Calm wind becoming west 5 to 7 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 10. Southwest wind around 6 mph.

Saturday

Mostly sunny, with a high near 32. Light and variable wind.

Saturday Night

Partly cloudy, with a low around 9.