Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

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

NA

38°F

3°C

Humidity 69%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 15 Apr 08:00 AM MDT
Extended Forecast for

10 Miles NNE Ovando MT

Winter Weather Advisory April 15, 06:00pm until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Today

    Today: Snow showers. Some thunder is also possible.  High near 33. Southwest wind around 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 33 °F

    Snow Showers
    Likely then
    Snow Showers

  • Tonight

    Tonight: Snow showers before 3am, then a chance of snow showers after 5am.  Low around 17. West wind 10 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 17 °F

    Snow Showers
    then Chance
    Snow Showers

  • Thursday

    Thursday: Snow showers.  High near 25. West wind 10 to 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers, mainly before midnight.  Mostly cloudy, with a low around 18. West southwest wind 8 to 14 mph, with gusts as high as 25 mph.  New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow showers likely, mainly after noon.  Mostly cloudy, with a high near 29. West wind 7 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 29 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers. Some thunder is also possible. High near 33. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow showers before 3am, then a chance of snow showers after 5am. Low around 17. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow showers. High near 25. West wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 18. West southwest wind 8 to 14 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 29. West wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 30.
Monday
A slight chance of rain. Snow level rising to 7800 feet in the afternoon. Mostly sunny, with a high near 50.
Monday Night
A slight chance of rain and snow. Snow level 8100 feet lowering to 7500 feet after midnight . Partly cloudy, with a low around 33.
Tuesday
A chance of rain and snow. Snow level 7200 feet rising to 7700 feet in the afternoon. Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Ovando MT
 47.17°N 113.09°W (Elev. 7034 ft)
2:01 am MDT Apr 15, 2026
8am MDT Apr 15, 2026-6pm MDT Apr 21, 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