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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Ravalli County Airport (KHRF)

Lat: 46.25463°NLon: 114.1246°WElev: 3644.0ft.

Clear

37°F

3°C

Humidity 74%
Wind Speed S 10 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 13 Apr 06:55 AM MDT
Extended Forecast for

15 Miles W Hamilton MT

  • Today

    Today: Snow showers, mainly after 10am. The snow could be heavy at times.  High near 31. West wind 10 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Heavy Snow
    then Snow
    Showers

  • Tonight

    Tonight: Snow showers likely, mainly before 1am.  Mostly cloudy, with a low around 25. West wind 10 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of snow showers, mainly before noon.  Mostly cloudy, with a high near 33. West southwest wind 10 to 16 mph, with gusts as high as 28 mph.  New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Snow showers, mainly after midnight.  Low around 27. West southwest wind 14 to 16 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday

    Wednesday: Snow showers.  High near 31. West southwest wind 11 to 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers. The snow could be heavy at times.  Low around 17. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 17 °F

    Heavy Snow

  • Thursday

    Thursday: Snow showers.  High near 22. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 22 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 16.

    Low: 16 °F

    Snow Likely

  • Friday

    Friday: A chance of snow.  Partly sunny, with a high near 28.

    High: 28 °F

    Chance Snow

Detailed Forecast

Today
Snow showers, mainly after 10am. The snow could be heavy at times. High near 31. West wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 25. West wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Tuesday
A 40 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 33. West southwest wind 10 to 16 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow showers, mainly after midnight. Low around 27. West southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers. High near 31. West southwest wind 11 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow showers. The snow could be heavy at times. Low around 17. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Thursday
Snow showers. High near 22. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 16.
Friday
A chance of snow. Partly sunny, with a high near 28.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
A chance of snow. Partly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles W Hamilton MT
 46.25°N 114.46°W (Elev. 6716 ft)
2:01 am MDT Apr 13, 2026
7am MDT Apr 13, 2026-6pm MDT Apr 19, 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