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.

Overcast

50°F

10°C

Humidity 46%
Wind Speed SSW 9 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 13 Apr 11:10 AM MDT
Extended Forecast for

Hamilton MT

  • Today

    Today: Showers likely, mainly after 2pm.  Mostly cloudy, with a high near 52. South wind 6 to 8 mph becoming west in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 70%.

    High: 52 °F

    Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 10pm.  Mostly cloudy, with a low around 33. West southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 33 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Light south wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 23 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers after midnight.  Mostly cloudy, with a low around 36. South southwest wind 6 to 10 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers.  High near 53. South southwest wind 5 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain showers before 9pm, then rain and snow showers between 9pm and midnight, then snow showers likely after midnight.  Low around 28. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers. Some thunder is also possible.  High near 41. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A slight chance of snow before midnight.  Mostly cloudy, with a low around 25.

    Low: 25 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

Today
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 52. South wind 6 to 8 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%.
Tonight
A 40 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 33. West southwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 54. Light south wind becoming west southwest 5 to 10 mph in the afternoon. Winds could gust as high as 23 mph.
Tuesday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 36. South southwest wind 6 to 10 mph, with gusts as high as 24 mph.
Wednesday
Showers. High near 53. South southwest wind 5 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain showers before 9pm, then rain and snow showers between 9pm and midnight, then snow showers likely after midnight. Low around 28. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers. Some thunder is also possible. High near 41. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of snow before midnight. Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
A slight chance of rain. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Hamilton MT
 46.26°N 114.15°W (Elev. 3599 ft)
2:01 am MDT Apr 13, 2026
11am 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