Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Ravalli County Airport (KHRF)

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

Overcast

30°F

-1°C

Humidity 39%
Wind Speed N 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 15 Mar 01:35 AM MDT
Extended Forecast for

13 Miles ENE Darby MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 9. Wind chill values as low as -1. West northwest wind around 6 mph.

    Low: 9 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 24. Wind chill values as low as -1. West wind 5 to 7 mph, with gusts as high as 21 mph.

    High: 24 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Snow likely, mainly after 4am.  Mostly cloudy, with a low around 20. South southwest wind 3 to 6 mph. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    then Snow
    Likely

  • Monday

    Monday: Snow before 3pm, then rain.  High near 36. Southwest wind 6 to 10 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Snow then
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 9pm, then a chance of rain between 9pm and midnight.  Mostly cloudy, with a low around 32. Southwest wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow between noon and 3pm, then a chance of rain after 3pm.  Partly sunny, with a high near 42. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 42 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before midnight.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow before noon.  Partly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 9. Wind chill values as low as -1. West northwest wind around 6 mph.
Sunday
Partly sunny, with a high near 24. Wind chill values as low as -1. West wind 5 to 7 mph, with gusts as high as 21 mph.
Sunday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 20. South southwest wind 3 to 6 mph. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
Snow before 3pm, then rain. High near 36. Southwest wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain and snow before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 32. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
A chance of rain and snow between noon and 3pm, then a chance of rain after 3pm. Partly sunny, with a high near 42. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 35.
Wednesday
A slight chance of rain and snow before noon. Partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Partly sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
A slight chance of rain. Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ENE Darby MT
 46.09°N 113.93°W (Elev. 6959 ft)
12:22 am MDT Mar 15, 2026
1am MDT Mar 15, 2026-6pm MDT Mar 21, 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