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 >

Current conditions at

ST. IGNATIUS (SIGM)

Lat: 47.31333°NLon: 114.09806°WElev: 2990.0ft.

NA

58°F

14°C

Humidity 58%
Wind Speed NE 7 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 20 Mar 10:00 PM MDT
Extended Forecast for

9 Miles E St. Ignatius MT

  • Tonight

    Tonight: A chance of rain before 3am, then a chance of rain and snow between 3am and 5am, then a chance of snow after 5am.  Snow level 9000 feet lowering to 8200 feet after midnight . Mostly cloudy, with a low around 28. Breezy, with a west wind 18 to 22 mph, with gusts as high as 31 mph.  Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance Rain
    and Breezy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Snow, mainly before noon. The snow could be heavy at times.  Temperature falling to around 28 by 11am. Windy, with a west wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 50 mph.  Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 34 °F

    Heavy Snow
    and Breezy
    then Heavy
    Snow and
    Windy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 18. Windy, with a west wind 27 to 32 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 55 mph.

    Low: 18 °F

    Slight Chance
    Snow and
    Windy then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 29. Breezy, with a west wind 18 to 23 mph, with gusts as high as 36 mph.

    High: 29 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. Breezy, with a west wind 14 to 23 mph, with gusts as high as 34 mph.

    Low: 21 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly after noon.  Mostly cloudy, with a high near 36.

    High: 36 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 29. Breezy.

    Low: 29 °F

    Snow Likely
    and Breezy

Detailed Forecast

Tonight
A chance of rain before 3am, then a chance of rain and snow between 3am and 5am, then a chance of snow after 5am. Snow level 9000 feet lowering to 8200 feet after midnight . Mostly cloudy, with a low around 28. Breezy, with a west wind 18 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Snow, mainly before noon. The snow could be heavy at times. Temperature falling to around 28 by 11am. Windy, with a west wind 18 to 23 mph increasing to 26 to 31 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 18. Windy, with a west wind 27 to 32 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 55 mph.
Sunday
Sunny, with a high near 29. Breezy, with a west wind 18 to 23 mph, with gusts as high as 36 mph.
Sunday Night
Mostly cloudy, with a low around 21. Breezy, with a west wind 14 to 23 mph, with gusts as high as 34 mph.
Monday
Mostly cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 36.
Tuesday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 29. Breezy.
Wednesday
Snow likely. Mostly cloudy, with a high near 34. Windy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 18. Windy.
Thursday
A chance of snow. Partly sunny, with a high near 25. Breezy.
Thursday Night
Partly cloudy, with a low around 15. Breezy.
Friday
Sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E St. Ignatius MT
 47.31°N 113.9°W (Elev. 8199 ft)
2:41 pm MDT Mar 20, 2026
10pm MDT Mar 20, 2026-6pm MDT Mar 27, 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