Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

Lat: 46.96826°NLon: 112.97487°WElev: 4199.0ft.

unknown precip

27°F

-3°C

Humidity 88%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 27 Dec 03:30 AM MST
Extended Forecast for

10 Miles NNE Ovando MT

Wind Advisory until December 27, 05:00am
Winter Weather Advisory December 27, 05:00am until December 27, 08:00pm
Click here for hazard details and duration
Wind Advisory
Winter Weather Advisory
  •  
    Wind Advisory until December 27, 05:00am

    NOW until 5:00am Sat

    Wind Advisory

  • Overnight

    Low: 12 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Saturday

    Saturday: Snow, mainly before 3pm. The snow could be heavy at times.  Areas of blowing snow before 2pm. Temperature falling to around 6 by 5pm. Wind chill values as low as -9. Breezy, with a west wind 21 to 26 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 15 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Saturday Night

    Saturday Night: A 10 percent chance of snow before 7pm.  Partly cloudy, with a low around -1. Wind chill values as low as -15. West wind 8 to 10 mph.

    Low: -1 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 11. Wind chill values as low as -13. West wind around 8 mph.

    High: 11 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 8. West wind around 8 mph.

    Low: 8 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

Detailed Forecast

Overnight
A 30 percent chance of snow. Areas of blowing snow. Mostly cloudy, with a low around 12. Wind chill values as low as -4. Breezy, with a west southwest wind around 26 mph, with gusts as high as 45 mph. Total nighttime snow accumulation of 3 to 7 inches possible.
Saturday
Snow, mainly before 3pm. The snow could be heavy at times. Areas of blowing snow before 2pm. Temperature falling to around 6 by 5pm. Wind chill values as low as -9. Breezy, with a west wind 21 to 26 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 10 percent chance of snow before 7pm. Partly cloudy, with a low around -1. Wind chill values as low as -15. West wind 8 to 10 mph.
Sunday
Mostly sunny, with a high near 11. Wind chill values as low as -13. West wind around 8 mph.
Sunday Night
Partly cloudy, with a low around 8. West wind around 8 mph.
Monday
Partly sunny, with a high near 20.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 28.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Mostly cloudy, with a high near 30.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow. Mostly cloudy, with a high near 27.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Ovando MT
 47.17°N 113.09°W (Elev. 7034 ft)
1:02 am MST Dec 27, 2025
3am MST Dec 27, 2025-6pm MST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database