Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

43°F

6°C

Humidity 93%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 17 Sep 05:00 AM MDT
Extended Forecast for

St. Ignatius MT

  • Today

    Today: Mostly sunny, with a high near 76. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 50. South southeast wind 5 to 8 mph becoming calm  after midnight.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 49. South southeast wind around 5 mph becoming calm  after midnight.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain after noon.  Mostly sunny, with a high near 74. Light and variable wind.

    High: 74 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 76. Calm wind becoming north northwest around 6 mph in the afternoon.
Tonight
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. South southeast wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 73. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 49. South southeast wind around 5 mph becoming calm after midnight. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 74. Light and variable wind.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 76.
Sunday Night
Clear, with a low around 49.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Ignatius MT
 47.31°N 114.09°W (Elev. 2999 ft)
2:00 am MDT Sep 17, 2026
5am MDT Sep 17, 2026-6pm MDT Sep 23, 2026
 
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Additional Resources

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Hourly Weather Forecast

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