Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

73°F

23°C

Humidity 27%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 17 Jun 06:00 PM MDT
Extended Forecast for

12 Miles ESE St. Ignatius MT

  • Tonight

    Tonight: A 40 percent chance of rain between 9pm and midnight.  Partly cloudy, with a low around 38. West northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.

    Low: 38 °F

    Chance Rain
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 57. West wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. West northwest wind 8 to 14 mph becoming east after midnight. Winds could gust as high as 22 mph.

    Low: 38 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 62. East southeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. West northwest wind 5 to 9 mph becoming southeast after midnight.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Breezy.

    High: 61 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of rain between 9pm and midnight. Partly cloudy, with a low around 38. West northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 57. West wind 7 to 14 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 38. West northwest wind 8 to 14 mph becoming east after midnight. Winds could gust as high as 22 mph.
Juneteenth
Mostly sunny, with a high near 62. East southeast wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 43. West northwest wind 5 to 9 mph becoming southeast after midnight.
Saturday
Mostly sunny, with a high near 61. Breezy.
Saturday Night
Partly cloudy, with a low around 39. Breezy.
Sunday
Sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE St. Ignatius MT
 47.27°N 113.86°W (Elev. 6801 ft)
2:01 pm MDT Jun 17, 2026
6pm MDT Jun 17, 2026-6pm MDT Jun 24, 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