Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

60°F

16°C

Humidity 58%
Wind Speed NNW 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 15 Sep 03:00 PM MDT
Extended Forecast for

St. Ignatius MT

  • Tonight

    Tonight: Patchy fog after 3am.  Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Cloudy then
    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 70. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 70 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. East wind around 5 mph becoming calm  after midnight.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 75. Light and variable wind.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 9pm, then rain likely after 9pm.  Mostly cloudy, with a low around 49. Southeast wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely

  • Friday

    Friday: Rain likely before noon, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight.  Partly cloudy, with a low around 47. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 43. Light and variable wind.
Wednesday
Areas of fog before 9am. Otherwise, sunny, with a high near 70. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 44. East wind around 5 mph becoming calm after midnight.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 75. Light and variable wind.
Thursday Night
Showers likely and possibly a thunderstorm before 9pm, then rain likely after 9pm. Mostly cloudy, with a low around 49. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain likely before noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Partly cloudy, with a low around 47. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
St. Ignatius MT
 47.33°N 114.09°W (Elev. 2966 ft)
2:01 pm MDT Sep 15, 2026
4pm MDT Sep 15, 2026-6pm MDT Sep 22, 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