Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

Helmville MT-200 MP 53.3 (MTHLM)

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

NA

42°F

6°C

Humidity 57%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 14 Apr 01:00 AM MDT
Extended Forecast for

10 Miles NNE Ovando MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. West wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36. West southwest wind 11 to 18 mph, with gusts as high as 32 mph.

    High: 36 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow after 4am.  Increasing clouds, with a low around 28. West southwest wind 13 to 18 mph, with gusts as high as 30 mph.  New snow accumulation of less than one inch possible.

    Low: 28 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow.  High near 34. West southwest wind around 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow Likely
    then Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before midnight.  Low around 20. West wind around 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 20 °F

    Snow then
    Chance Snow

  • Thursday

    Thursday: Snow.  High near 25. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 18. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 30.

    High: 30 °F

    Snow Likely

  • Friday Night

    Friday Night: A slight chance of snow before midnight.  Partly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. West wind 11 to 13 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 36. West southwest wind 11 to 18 mph, with gusts as high as 32 mph.
Tuesday Night
A 40 percent chance of snow after 4am. Increasing clouds, with a low around 28. West southwest wind 13 to 18 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.
Wednesday
Snow. High near 34. West southwest wind around 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow, mainly before midnight. Low around 20. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow. High near 25. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 18. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly after noon. Mostly cloudy, with a high near 30.
Friday Night
A slight chance of snow before midnight. Partly cloudy, with a low around 18.
Saturday
Mostly 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 33.
Monday
A chance of snow. Partly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Ovando MT
 47.17°N 113.09°W (Elev. 7034 ft)
12:22 am MDT Apr 14, 2026
1am MDT Apr 14, 2026-6pm MDT Apr 20, 2026
 
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Additional Resources

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