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

48°F

9°C

Humidity 53%
Wind Speed S 12 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 13 Apr 09:55 AM MDT
Extended Forecast for

13 Miles ENE Darby MT

  • Today

    Today: Snow showers likely, mainly after noon.  Mostly cloudy, with a high near 35. South southwest wind around 9 mph becoming west in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of snow showers, mainly before 9pm.  Mostly cloudy, with a low around 28. West wind 5 to 9 mph becoming light west southwest  after midnight. Winds could gust as high as 24 mph.  New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. West southwest wind 5 to 11 mph, with gusts as high as 30 mph.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow showers after midnight.  Mostly cloudy, with a low around 31. South southwest wind 8 to 11 mph, with gusts as high as 32 mph.  New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Snow showers.  High near 37. Southwest wind 6 to 14 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers.  Low around 21. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 21 °F

    Snow Showers

  • Thursday

    Thursday: Snow showers.  High near 25. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Snow Showers

  • Thursday Night

    Thursday Night: A chance of snow, mainly before midnight.  Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

  • Friday

    Friday: A chance of snow.  Partly sunny, with a high near 31.

    High: 31 °F

    Chance Snow

Detailed Forecast

Today
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 35. South southwest wind around 9 mph becoming west in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 70%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 40 percent chance of snow showers, mainly before 9pm. Mostly cloudy, with a low around 28. West wind 5 to 9 mph becoming light west southwest after midnight. Winds could gust as high as 24 mph. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 39. West southwest wind 5 to 11 mph, with gusts as high as 30 mph.
Tuesday Night
A 40 percent chance of snow showers after midnight. Mostly cloudy, with a low around 31. South southwest wind 8 to 11 mph, with gusts as high as 32 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers. High near 37. Southwest wind 6 to 14 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow showers. Low around 21. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow showers. High near 25. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 19.
Friday
A chance of snow. Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A slight chance of rain and snow. Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ENE Darby MT
 46.09°N 113.93°W (Elev. 6959 ft)
2:01 am MDT Apr 13, 2026
10am 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