Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Overcast

59°F

15°C

Humidity 51%
Wind Speed S 12 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 11 Apr 09:55 AM MDT
Extended Forecast for

Hamilton MT

  • Today

    Today: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 64. South wind 5 to 8 mph becoming west in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 80%.

    High: 64 °F

    Slight Chance
    Showers then
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly before 9pm.  Partly cloudy, with a low around 38. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 38 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: A 50 percent chance of showers after noon.  Partly sunny, with a high near 60. Light south wind.  New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 37. South southwest wind 3 to 5 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely.  Mostly cloudy, with a high near 52. Light southwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before midnight.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before noon.  Partly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain after midnight.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain and snow likely, becoming all rain after 9am.  Mostly cloudy, with a high near 50.

    High: 50 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Today
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 64. South wind 5 to 8 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 80%.
Tonight
A 40 percent chance of showers, mainly before 9pm. Partly cloudy, with a low around 38. Southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A 50 percent chance of showers after noon. Partly sunny, with a high near 60. Light south wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 37. South southwest wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely. Mostly cloudy, with a high near 52. Light southwest wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 36.
Tuesday
A 20 percent chance of showers before noon. Partly sunny, with a high near 54.
Tuesday Night
A chance of rain after midnight. Mostly cloudy, with a low around 36.
Wednesday
Rain and snow likely, becoming all rain after 9am. Mostly cloudy, with a high near 50.
Wednesday Night
Rain and snow likely before midnight, then a chance of snow. Mostly cloudy, with a low around 28.
Thursday
A chance of snow. Partly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Hamilton MT
 46.24°N 114.14°W (Elev. 3678 ft)
2:01 am MDT Apr 11, 2026
10am MDT Apr 11, 2026-6pm MDT Apr 17, 2026
 
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Additional Resources

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