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 15, 12:00 AM MDT

Current conditions at

HELENA (HRWM8)

Lat: 46.73167°NLon: 112.01917°WElev: 3800.0ft.

14°F

-10°C

Humidity	77%
Wind Speed	W 3 MPH
Barometer	NA
Dewpoint	8°F (-13°C)
Visibility	NA
Last update	14 Mar 08:53 PM MDT

More Information:

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

Extended Forecast for

14 Miles NNE Helena MT

Winter Storm Warning March 14, 09:18pm until March 15, 12:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 14, 09:18pm until March 15, 12:00am
NOW until 12:00am Sun
Winter Storm Warning
Tonight
Low: 6 °F
Chance Snow
Sunday
High: 33 °F
Mostly Sunny
Sunday Night
Low: 23 °F
Mostly Cloudy
then Chance
Snow
Monday
High: 50 °F
Snow Likely
then Chance
Rain
Monday Night
Low: 41 °F
Chance Rain
Tuesday
High: 59 °F
Partly Sunny
Tuesday Night
Low: 42 °F
Mostly Cloudy
Wednesday
High: 66 °F
Partly Sunny

Detailed Forecast

Tonight

A 40 percent chance of snow between 11pm and 3am. Mostly cloudy, with a low around 6. Wind chill values as low as zero. North northwest wind 5 to 7 mph becoming calm after midnight. Total nighttime snow accumulation of less than a half inch possible.

Sunday

Mostly sunny, with a high near 33. Calm wind becoming southwest 5 to 7 mph in the afternoon.

Sunday Night

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

Monday

Snow likely before noon, then a chance of rain. Cloudy, with a high near 50. South wind 7 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 28 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. Cloudy, with a low around 41. Southwest wind around 11 mph, with gusts as high as 25 mph.

Tuesday

Partly sunny, with a high near 59. South southwest wind 13 to 15 mph, with gusts as high as 29 mph.

Tuesday Night

Mostly cloudy, with a low around 42. South southwest wind 8 to 10 mph, with gusts as high as 22 mph.

Wednesday

Partly sunny, with a high near 66. South wind 9 to 16 mph, with gusts as high as 28 mph.

Wednesday Night

Mostly cloudy, with a low around 43.

Thursday

Partly sunny, with a high near 68.