Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

41°F

5°C

Humidity 47%
Wind Speed NW 11 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 16 Apr 02:00 PM MDT
Extended Forecast for

9 Miles E St. Ignatius MT

  • This Afternoon

    This Afternoon: A chance of snow before 3pm, then snow showers, mainly after 3pm. The snow could be heavy at times. Some thunder is also possible.  High near 16. Wind chill values as low as -4. Breezy, with a west wind around 26 mph, with gusts as high as 40 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 6 to 10 inches possible.

    High: 16 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow likely, mainly before 9pm. The snow could be heavy at times.  Mostly cloudy, with a low around 14. Wind chill values as low as -4. Blustery, with a west northwest wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 37 mph.  Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

    Low: 14 °F

    Heavy Snow
    and Blustery
    then Chance
    Snow

  • Friday

    Friday: A 50 percent chance of snow, mainly after 8am. The snow could be heavy at times.  Mostly cloudy, with a high near 22. Wind chill values as low as zero. Blustery, with a west northwest wind 14 to 22 mph, with gusts as high as 33 mph.  New snow accumulation of 3 to 7 inches possible.

    High: 22 °F

    Heavy Snow
    and Blustery

  • Friday Night

    Friday Night: Partly cloudy, with a low around 14. Wind chill values as low as -1. Blustery, with a west northwest wind 14 to 22 mph becoming south southwest after midnight. Winds could gust as high as 31 mph.

    Low: 14 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 35. South wind around 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

    High: 35 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of snow before 3pm, then snow showers, mainly after 3pm. The snow could be heavy at times. Some thunder is also possible. High near 16. Wind chill values as low as -4. Breezy, with a west wind around 26 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 6 to 10 inches possible.
Tonight
Snow likely, mainly before 9pm. The snow could be heavy at times. Mostly cloudy, with a low around 14. Wind chill values as low as -4. Blustery, with a west northwest wind 20 to 25 mph decreasing to 14 to 19 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Friday
A 50 percent chance of snow, mainly after 8am. The snow could be heavy at times. Mostly cloudy, with a high near 22. Wind chill values as low as zero. Blustery, with a west northwest wind 14 to 22 mph, with gusts as high as 33 mph. New snow accumulation of 3 to 7 inches possible.
Friday Night
Partly cloudy, with a low around 14. Wind chill values as low as -1. Blustery, with a west northwest wind 14 to 22 mph becoming south southwest after midnight. Winds could gust as high as 31 mph.
Saturday
Sunny, with a high near 35. South wind around 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 32.
Tuesday
A slight chance of rain. Snow level 8300 feet rising to 9000 feet in the afternoon. Mostly sunny, with a high near 51.
Tuesday Night
A chance of rain and snow. Snow level 9200 feet lowering to 8600 feet after midnight . Mostly cloudy, with a low around 34.
Wednesday
Rain and snow likely. Mostly cloudy, with a high near 40.
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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 pm MDT Apr 16, 2026
2pm MDT Apr 16, 2026-6pm MDT Apr 22, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database