Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

HELENA (HRWM8)

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

29°F

-2°C

Humidity	49%
Wind Speed	NNW 11 MPH
Barometer	NA
Dewpoint	12°F (-11°C)
Visibility	NA
Wind Chill	19°F (-7°C)
Last update	27 Dec 07:53 AM MST

More Information:

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

Extended Forecast for

14 Miles NNE Helena MT

Today
High: 28 °F⇓
Snow Likely
Tonight
Low: 0 °F
Partly Cloudy
Sunday
High: 22 °F
Sunny
Sunday Night
Low: 14 °F
Mostly Clear
Monday
High: 35 °F
Mostly Sunny
Monday Night
Low: 24 °F
Mostly Cloudy
Tuesday
High: 42 °F
Partly Sunny
Tuesday Night
Low: 28 °F
Mostly Cloudy
Wednesday
High: 43 °F
Mostly Cloudy

Detailed Forecast

Today

Snow likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 5 by 5pm. Wind chill values as low as -10. North wind 13 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Partly cloudy, with a low around 0. Wind chill values as low as -15. North wind 6 to 10 mph becoming southeast after midnight.

Sunday

Sunny, with a high near 22. Wind chill values as low as -10. Southeast wind 6 to 10 mph.

Sunday Night

Mostly clear, with a low around 14. South wind around 9 mph.

Monday

Mostly sunny, with a high near 35. South wind 8 to 10 mph.

Monday Night

Mostly cloudy, with a low around 24. South wind around 8 mph.

Tuesday

Partly sunny, with a high near 42. South wind 7 to 9 mph.