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Areas of Fire Weather and Severe Thunderstorms through the Weekend

Dry, windy conditions will bring elevated to critical fire risks to the northern Plains today, and southern High Plains and the Southwest through the weekend. Severe thunderstorms capable of large to very large hail, wind damage and tornadoes will be possible today and Saturday across parts of the central Plains. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

48°F

9°C

Humidity 55%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 15 May 06:00 AM MDT
Extended Forecast for

St. Ignatius MT

  • Today

    Today: A 30 percent chance of rain before noon. Partly sunny, with a high near 58. East southeast wind 5 to 11 mph becoming west northwest in the morning. Winds could gust as high as 18 mph.

    High: 58 °F

    Chance Rain
    then Partly
    Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. West wind 6 to 11 mph becoming light and variable after midnight.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely before noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 50. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of rain before 3am, then a slight chance of rain and snow. Mostly cloudy, with a low around 32. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: Rain and snow likely before noon, then a chance of rain. Some thunder is also possible. Mostly cloudy, with a high near 51. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 51 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of rain before noon. Partly sunny, with a high near 58. East southeast wind 5 to 11 mph becoming west northwest in the morning. Winds could gust as high as 18 mph.
Tonight
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. West wind 6 to 11 mph becoming light and variable after midnight.
Saturday
Rain likely before noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 50. Light and variable wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of rain before 3am, then a slight chance of rain and snow. Mostly cloudy, with a low around 32. West wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Rain and snow likely before noon, then a chance of rain. Some thunder is also possible. Mostly cloudy, with a high near 51. Light and variable wind becoming north northwest 5 to 10 mph in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62.
Tuesday Night
A slight chance of rain before midnight. Mostly cloudy, with a low around 39.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St. Ignatius MT
 47.33°N 114.09°W (Elev. 2966 ft)
Last Update:
2:01 am MDT May 15, 2026
Forecast Valid:
6am MDT May 15, 2026-6pm MDT May 21, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation