Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

87°F

31°C

Humidity 25%
Wind Speed N 2 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index84°F (29°C)
Last update 10 Jul 03:00 PM MDT
Extended Forecast for

11 Miles ENE Arlee MT

  • Tonight

    Tonight: A slight chance of rain between midnight and 2am.  Mostly clear, with a low around 55. West northwest wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 55 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 81. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 25 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. West northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 80. West northwest wind 3 to 7 mph.

    High: 80 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59. West northwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of rain.  Mostly cloudy, with a low around 61.

    Low: 61 °F

    Chance Rain

Detailed Forecast

Tonight
A slight chance of rain between midnight and 2am. Mostly clear, with a low around 55. West northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 81. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 56. West northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 20 mph.
Sunday
Partly sunny, with a high near 80. West northwest wind 3 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 59. West northwest wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 81.
Monday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 65.
Tuesday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 78.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 61.
Wednesday
A chance of rain, mainly after noon. Partly sunny, with a high near 79.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 60.
Thursday
Sunny, with a high near 79.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 60.
Friday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles ENE Arlee MT
 47.2°N 113.85°W (Elev. 4514 ft)
2:01 pm MDT Jul 10, 2026
4pm MDT Jul 10, 2026-6pm MDT Jul 17, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database