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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 >

Hazardous Weather Conditions

Current conditions at

Ravalli County Airport (KHRF)

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

Overcast

43°F

6°C

Humidity 65%
Wind Speed S 11 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 15 Apr 05:55 AM MDT
Extended Forecast for

10 Miles WSW Hamilton MT

Winter Weather Advisory April 15, 03:00pm until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Snow showers, possibly mixed with rain, becoming all snow after 4pm. The snow could be heavy at times. Some thunder is also possible. High near 39. West southwest wind 10 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 39 °F

    Heavy Snow
    then
    Rain/Snow

  • Tonight

    Tonight: Snow showers, mainly before 9pm. The snow could be heavy at times. Low around 18. West wind 8 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Heavy Snow
    then Chance
    Snow Showers

  • Thursday

    Thursday: Snow showers. High near 28. West wind 9 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 28 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 19. West southwest wind 7 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Snow Showers
    Likely

  • Friday

    Friday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 34. West southwest wind 7 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Snow Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers, possibly mixed with rain, becoming all snow after 4pm. The snow could be heavy at times. Some thunder is also possible. High near 39. West southwest wind 10 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Snow showers, mainly before 9pm. The snow could be heavy at times. Low around 18. West wind 8 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. High near 28. West wind 9 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 19. West southwest wind 7 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 34. West southwest wind 7 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
Mostly clear, with a low around 19.
Saturday
Sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
A slight chance of rain, mixing with snow after 9pm, then gradually ending. Partly cloudy, with a low around 33.
Monday
A slight chance of snow. Mostly sunny, with a high near 55.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 36.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Hamilton MT
 46.22°N 114.36°W (Elev. 5715 ft)
Last Update:
2:01 am MDT Apr 15, 2026
Forecast Valid:
6am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation