Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Hazardous Weather Conditions

Winter Storm Warning until March 14, 06:00 PM MDT

Current conditions at

HELENA VALLEY (HVMT)

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

23°F

-5°C

Humidity	65%
Wind Speed	NNW 13 MPH
Barometer	NA
Dewpoint	13°F (-11°C)
Visibility	NA
Wind Chill	11°F (-12°C)
Last update	14 Mar 02:00 PM MDT

More Information:

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

Extended Forecast for

6 Miles NNW Helena MT

Winter Storm Warning March 14, 02:50pm until March 14, 06:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 14, 02:50pm until March 14, 06:00pm
NOW until 6:00pm Sat
Winter Storm Warning
This Afternoon
High: 32 °F
Heavy Snow
and Patchy
Blowing Snow
Tonight
Low: 5 °F
Snow then
Chance Snow
Sunday
High: 31 °F
Mostly Sunny
Sunday Night
Low: 23 °F
Mostly Cloudy
then Chance
Snow
Monday
High: 48 °F
Snow Likely
then Chance
Rain/Snow
Monday Night
Low: 41 °F
Chance Rain
Tuesday
High: 57 °F
Partly Sunny
Tuesday Night
Low: 42 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Snow, mainly after 3pm. The snow could be heavy at times. Patchy blowing snow. High near 32. Wind chill values as low as zero. Breezy, with a west northwest wind 20 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Snow, mainly before 7pm. Low around 5. Wind chill values as low as -5. North northwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Sunday

Mostly sunny, with a high near 31. Calm wind becoming west 5 to 7 mph in the afternoon.

Sunday Night

A 40 percent chance of snow after midnight. Increasing clouds, with a low around 23. West northwest wind around 6 mph becoming light and variable. Little or no snow accumulation expected.

Monday

Snow likely before noon, then a chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Cloudy, with a high near 48. West southwest wind 7 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Monday Night

A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 41. West southwest wind around 15 mph, with gusts as high as 28 mph.

Tuesday

Partly sunny, with a high near 57. Southwest wind 15 to 17 mph, with gusts as high as 34 mph.

Tuesday Night

Mostly cloudy, with a low around 42. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

Wednesday

Partly sunny, with a high near 63.

Wednesday Night

Mostly cloudy, with a low around 42.

Thursday

Mostly sunny, with a high near 65.

Thursday Night

Mostly cloudy, with a low around 45.