Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

56°F

13°C

Humidity 81%
Wind Speed SE 3 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 13 Aug 01:00 AM MDT
Extended Forecast for

4 Miles W Arlee MT

  • Tonight

    Tonight: A 20 percent chance of showers after 5am.  Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Slight Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms, mainly before 2pm, then showers likely and possibly a thunderstorm after 3pm.  Patchy smoke before noon, then patchy smoke after 1pm. High near 65. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Patchy smoke before 8pm. Partly cloudy, with a low around 55. Light and variable wind.

    Low: 55 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. Calm wind.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Light and variable wind.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a chance of rain after midnight.  Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers after 5am. Mostly cloudy, with a low around 56. Calm wind.
Friday
Showers and thunderstorms, mainly before 2pm, then showers likely and possibly a thunderstorm after 3pm. Patchy smoke before noon, then patchy smoke after 1pm. High near 65. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Patchy smoke before 8pm. Partly cloudy, with a low around 55. Light and variable wind.
Saturday
Mostly sunny, with a high near 73. Calm wind.
Saturday Night
Partly cloudy, with a low around 57. Light and variable wind.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.
Monday Night
A chance of showers and thunderstorms before midnight, then a chance of rain after midnight. Mostly cloudy, with a low around 58.
Tuesday
A slight chance of rain, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 73.
Tuesday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 57.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 73.
Wednesday Night
A slight chance of rain. Partly cloudy, with a low around 56.
Thursday
A slight chance of rain. Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Arlee MT
 47.17°N 114.18°W (Elev. 4596 ft)
2:01 pm MDT Aug 13, 2026
11pm MDT Aug 13, 2026-6pm MDT Aug 20, 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