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.

Mostly Cloudy

37°F

3°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 12 Apr 03:35 AM MDT
Extended Forecast for

12 Miles WNW Darby MT

  • Overnight

    Overnight: Partly cloudy, with a low around 30. Southwest wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain and snow showers likely before 1pm, then rain showers. Some thunder is also possible.  High near 45. South southwest wind 5 to 8 mph becoming east in the afternoon.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow showers, becoming all snow after 11pm. Some thunder is also possible.  Low around 30. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Rain/Snow
    then Snow
    Showers

  • Monday

    Monday: Snow showers.  High near 37. West southwest wind 10 to 13 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 37 °F

    Snow Showers

  • Monday Night

    Monday Night: Rain and snow showers likely, becoming all snow after 9pm.  Mostly cloudy, with a low around 29. West southwest wind 9 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of snow showers.  Mostly cloudy, with a high near 40. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Snow showers, mainly after midnight.  Low around 30. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 30 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday

    Wednesday: Snow showers.  Cloudy, with a high near 35.

    High: 35 °F

    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Cloudy, with a low around 18.

    Low: 18 °F

    Heavy Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 30. Southwest wind around 6 mph.
Sunday
Rain and snow showers likely before 1pm, then rain showers. Some thunder is also possible. High near 45. South southwest wind 5 to 8 mph becoming east in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain and snow showers, becoming all snow after 11pm. Some thunder is also possible. Low around 30. West southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Monday
Snow showers. High near 37. West southwest wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Monday Night
Rain and snow showers likely, becoming all snow after 9pm. Mostly cloudy, with a low around 29. West southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 40. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow showers, mainly after midnight. Low around 30. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers. Cloudy, with a high near 35.
Wednesday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 18.
Thursday
Snow. Cloudy, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 17.
Friday
A chance of snow. Partly sunny, with a high near 34.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 19.
Saturday
A slight chance of snow. Mostly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WNW Darby MT
 46.11°N 114.39°W (Elev. 6086 ft)
2:01 am MDT Apr 12, 2026
3am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database