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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.

Clear

46°F

8°C

Humidity 81%
Wind Speed SSW 9 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 15 Apr 11:15 AM MDT
Extended Forecast for

12 Miles WNW Darby 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 before 2pm, then snow showers, possibly mixed with rain between 2pm and 3pm, then snow showers after 3pm. The snow could be heavy at times. Some thunder is also possible. High near 37. West southwest wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

    High: 37 °F

    Rain/Snow

  • Tonight

    Tonight: Snow showers, mainly before 9pm. The snow could be heavy at times. Low around 16. West wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 16 °F

    Heavy Snow
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers. High near 26. West wind 10 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 17. West southwest wind 8 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Snow Showers
    Likely

  • Friday

    Friday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 32. West northwest wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Snow showers before 2pm, then snow showers, possibly mixed with rain between 2pm and 3pm, then snow showers after 3pm. The snow could be heavy at times. Some thunder is also possible. High near 37. West southwest wind 14 to 17 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow showers, mainly before 9pm. The snow could be heavy at times. Low around 16. West wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday
Snow showers. High near 26. West wind 10 to 17 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 17. West southwest wind 8 to 16 mph, with gusts as high as 32 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 32. West northwest wind 8 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
Mostly clear, with a low around 17.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
A slight chance of rain before 3am, then a slight chance of snow. Partly cloudy, with a low around 32.
Monday
A slight chance of rain and snow. Mostly sunny, with a high near 54.
Monday Night
A chance of rain and snow. Partly cloudy, with a low around 35.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WNW Darby MT
 46.11°N 114.39°W (Elev. 6086 ft)
Last Update:
2:01 am MDT Apr 15, 2026
Forecast Valid:
11am 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