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

ST. IGNATIUS (SIGM)

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

NA

44°F

7°C

Humidity 90%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 12 Apr 01:00 AM MDT
Extended Forecast for

9 Miles E St. Ignatius MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 26. West southwest wind around 13 mph.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow showers, mainly after 3pm. Some thunder is also possible.  High near 37. West southwest wind 11 to 15 mph becoming south southeast in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Mostly Sunny
    then Snow
    Showers

  • Sunday Night

    Sunday Night: Snow showers, mainly after 7pm. The snow could be heavy at times.  Low around 27. South southeast wind 14 to 16 mph becoming west southwest after midnight. Winds could gust as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of 11 to 17 inches possible.

    Low: 27 °F

    Heavy Snow

  • Monday

    Monday: Snow showers. The snow could be heavy at times.  High near 29. West southwest wind 14 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 29 °F

    Heavy Snow

  • Monday Night

    Monday Night: Snow showers likely, mainly before midnight.  Cloudy, with a low around 24. Breezy, with a west wind 18 to 22 mph, with gusts as high as 32 mph.  Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow Showers
    Likely and
    Breezy then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: A 50 percent chance of snow showers.  Mostly cloudy, with a high near 29. Breezy.  New snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow showers, mainly after midnight.  Low around 23. Breezy.  Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Chance Snow
    Showers and
    Breezy then
    Snow Showers

  • Wednesday

    Wednesday: Snow showers. The snow could be heavy at times.  Cloudy, with a high near 26. Breezy.

    High: 26 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Mostly cloudy, with a low around 14. Breezy.

    Low: 14 °F

    Snow and
    Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 26. West southwest wind around 13 mph.
Sunday
Snow showers, mainly after 3pm. Some thunder is also possible. High near 37. West southwest wind 11 to 15 mph becoming south southeast in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
Snow showers, mainly after 7pm. The snow could be heavy at times. Low around 27. South southeast wind 14 to 16 mph becoming west southwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 11 to 17 inches possible.
Monday
Snow showers. The snow could be heavy at times. High near 29. West southwest wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Monday Night
Snow showers likely, mainly before midnight. Cloudy, with a low around 24. Breezy, with a west wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Tuesday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 29. Breezy. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow showers, mainly after midnight. Low around 23. Breezy. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers. The snow could be heavy at times. Cloudy, with a high near 26. Breezy.
Wednesday Night
Snow. Mostly cloudy, with a low around 14. Breezy.
Thursday
Snow. Cloudy, with a high near 20. Breezy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 14. Breezy.
Friday
Snow likely. Partly sunny, with a high near 25. Breezy.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 16. Blustery.
Saturday
A slight chance of snow. Mostly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E St. Ignatius MT
 47.31°N 113.9°W (Elev. 8199 ft)
2:01 am MDT Apr 12, 2026
2am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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