Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

ST. REGIS (STGM8)

Lat: 47.30711°NLon: 115.10761°WElev: 2678.0ft.

NA

48°F

9°C

Humidity 60%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 21 Mar 07:02 PM MDT
Extended Forecast for

12 Miles SSW St. Regis MT

Flood Watch March 21, 08:03pm until March 22, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 21, 08:03pm until March 22, 12:00pm

    NOW until 12:00pm Sun

    Flood Watch

  • Tonight

    Low: 22 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 33. West southwest wind 17 to 20 mph, with gusts as high as 29 mph.

    High: 33 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. South southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 43. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 43 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33. West southwest wind around 14 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow before 3pm, then rain and snow.  High near 38. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 3am.  Snow level 7300 feet lowering to 6700 feet after midnight . Low around 31. Breezy.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Breezy.
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow likely.  Mostly cloudy, with a high near 37. Breezy.

    High: 37 °F

    Snow Likely
    and Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 22. Breezy, with a west southwest wind 18 to 28 mph, with gusts as high as 40 mph.
Sunday
Sunny, with a high near 33. West southwest wind 17 to 20 mph, with gusts as high as 29 mph.
Sunday Night
Partly cloudy, with a low around 27. South southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Monday
Partly sunny, with a high near 43. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 33. West southwest wind around 14 mph, with gusts as high as 20 mph.
Tuesday
Snow before 3pm, then rain and snow. High near 38. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain and snow, becoming all snow after 3am. Snow level 7300 feet lowering to 6700 feet after midnight . Low around 31. Breezy. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely. Mostly cloudy, with a high near 37. Breezy.
Wednesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 24. Breezy.
Thursday
A slight chance of snow before noon. Mostly sunny, with a high near 32. Breezy.
Thursday Night
Mostly clear, with a low around 20. Breezy.
Friday
Sunny, with a high near 39.
Friday Night
Mostly clear, with a low around 24.
Saturday
Mostly sunny, with a high near 45.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSW St. Regis MT
 47.14°N 115.18°W (Elev. 6535 ft)
2:01 pm MDT Mar 21, 2026
8pm MDT Mar 21, 2026-6pm MDT Mar 28, 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