National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Mostly Cloudy

45°F

7°C

Humidity 75%
Wind Speed S 11 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 15 Apr 09:15 AM MDT
Extended Forecast for

11 Miles ESE 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: Rain and snow showers, becoming all snow after 5pm. Some thunder is also possible. High near 47. Southwest wind 5 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow

  • Tonight

    Tonight: Snow showers before 1am, then a chance of snow showers after 2am. The snow could be heavy at times. Low around 23. West northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Heavy Snow
    then Chance
    Snow Showers

  • Thursday

    Thursday: Snow showers, mainly after noon. Some thunder is also possible. High near 33. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Chance Snow
    Showers then
    Snow Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow showers. Partly sunny, with a high near 39. Calm wind becoming west northwest around 6 mph in the afternoon. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and snow showers, becoming all snow after 5pm. Some thunder is also possible. High near 47. Southwest wind 5 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Snow showers before 1am, then a chance of snow showers after 2am. The snow could be heavy at times. Low around 23. West northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow showers, mainly after noon. Some thunder is also possible. High near 33. Calm wind becoming west northwest 5 to 8 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 24. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow showers. Partly sunny, with a high near 39. Calm wind becoming west northwest around 6 mph in the afternoon. Winds could gust as high as 21 mph. New snow accumulation of less than a half inch possible.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 62.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Tuesday
A chance of rain and snow. Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ESE Hamilton MT
 46.19°N 113.95°W (Elev. 5400 ft)
Last Update:
2:01 am MDT Apr 15, 2026
Forecast Valid:
9am 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