Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

76°F

24°C

Humidity 30%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index77°F (25°C)
Last update 18 Jun 07:00 PM MDT
Extended Forecast for

9 Miles E St. Ignatius MT

  • Tonight

    Tonight: Mostly clear, with a low around 36. West northwest wind 9 to 14 mph becoming southeast 15 to 20 mph after midnight. Winds could gust as high as 24 mph.

    Low: 36 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Increasing clouds, with a high near 53. Southeast wind 8 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 53 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. South southwest wind 8 to 14 mph becoming east in the evening. Winds could gust as high as 18 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 54. West wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 54 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Breezy, with a west northwest wind 23 to 28 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Snow level 9200 feet rising to 9800 feet in the afternoon. Mostly sunny, with a high near 48.

    High: 48 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 36. West northwest wind 9 to 14 mph becoming southeast 15 to 20 mph after midnight. Winds could gust as high as 24 mph.
Juneteenth
Increasing clouds, with a high near 53. Southeast wind 8 to 16 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 41. South southwest wind 8 to 14 mph becoming east in the evening. Winds could gust as high as 18 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 54. West wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Partly cloudy, with a low around 39. Breezy, with a west northwest wind 23 to 28 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 38 mph.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Snow level 9200 feet rising to 9800 feet in the afternoon. Mostly sunny, with a high near 48.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 35.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E St. Ignatius MT
 47.31°N 113.9°W (Elev. 8199 ft)
2:00 pm MDT Jun 18, 2026
8pm MDT Jun 18, 2026-6pm MDT Jun 25, 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