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

5 Miles WSW St. Ignatius MT

  • Tonight

    Tonight: A 20 percent chance of rain between 10pm and 11pm.  Partly cloudy, with a low around 49. West northwest wind 5 to 11 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.

    Low: 49 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77. South wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 18 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Northwest wind 5 to 9 mph becoming light and variable  after midnight. Winds could gust as high as 18 mph.

    Low: 49 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 79. Calm wind becoming east northeast around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 53. North wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain between 10pm and 11pm. Partly cloudy, with a low around 49. West northwest wind 5 to 11 mph becoming south southeast after midnight. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 77. South wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 49. Northwest wind 5 to 9 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Juneteenth
Mostly sunny, with a high near 79. Calm wind becoming east northeast around 5 mph.
Friday Night
Partly cloudy, with a low around 53. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW St. Ignatius MT
 47.3°N 114.21°W (Elev. 3337 ft)
2:01 pm MDT Jun 17, 2026
7pm MDT Jun 17, 2026-6pm MDT Jun 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database