National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

HELENA VALLEY (HVMT)

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

NA

35°F

2°C

Humidity 46%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Last update 30 Dec 12:00 PM MST
Extended Forecast for

11 Miles NE East Helena MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 40. Southeast wind around 8 mph.

    High: 40 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 23. East southeast wind around 8 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. East southeast wind around 7 mph.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30. South southeast wind around 7 mph.

    Low: 30 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 43. South southeast wind around 6 mph.

    High: 43 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. South southeast wind around 6 mph.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 47. South southeast wind 6 to 8 mph.

    High: 47 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. South southeast wind around 9 mph.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of rain before 2pm, then a slight chance of rain and snow. Partly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 40. Southeast wind around 8 mph.
Tonight
Mostly clear, with a low around 23. East southeast wind around 8 mph.
Wednesday
Mostly sunny, with a high near 44. East southeast wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 30. South southeast wind around 7 mph.
New Year's Day
Mostly cloudy, with a high near 43. South southeast wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 33. South southeast wind around 6 mph.
Friday
Mostly cloudy, with a high near 47. South southeast wind 6 to 8 mph.
Friday Night
Mostly cloudy, with a low around 35. South southeast wind around 9 mph.
Saturday
A slight chance of rain before 2pm, then a slight chance of rain and snow. Partly sunny, with a high near 47.
Saturday Night
A slight chance of rain and snow before 11pm. Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NE East Helena MT
 46.71°N 111.79°W (Elev. 4304 ft)
Last Update:
10:12 am MST Dec 30, 2025
Forecast Valid:
1pm MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation