Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

66°F

19°C

Humidity 67%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 30 Jun 04:00 PM MDT
Extended Forecast for

St. Ignatius MT

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 70. North northwest wind around 5 mph.

    High: 70 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of rain and thunderstorms before midnight, then a slight chance of rain between midnight and 2am.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 50. North northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 50 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 3pm and 5pm.  Patchy fog between 7am and 8am.  Otherwise, mostly sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 20%.

    High: 72 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Light and variable wind.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 70. North northwest wind around 5 mph.
Tonight
A chance of rain and thunderstorms before midnight, then a slight chance of rain between midnight and 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 50. North northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
A slight chance of showers and thunderstorms between 3pm and 5pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 48. Light and variable wind.
Thursday
Sunny, with a high near 75. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 51.
Independence Day
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Ignatius MT
 47.33°N 114.09°W (Elev. 2966 ft)
2:01 pm MDT Jun 30, 2026
4pm MDT Jun 30, 2026-6pm MDT Jul 7, 2026
 
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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