Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

59°F

15°C

Humidity 65%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 17 Jun 08:00 AM MDT
Extended Forecast for

9 Miles E St. Ignatius MT

  • Today

    Today: A 50 percent chance of rain, mainly after 5pm.  Snow level rising to 9200 feet in the afternoon. Mostly sunny, with a high near 46. Breezy, with a west wind 13 to 22 mph, with gusts as high as 33 mph.

    High: 46 °F

    Sunny then
    Chance Rain
    and Breezy

  • Tonight

    Tonight: A 50 percent chance of rain before 11pm.  Snow level 9200 feet. Partly cloudy, with a low around 38. Breezy, with a west northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 32 mph.

    Low: 38 °F

    Chance Rain
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 51. West northwest wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. West northwest wind 9 to 18 mph becoming south southwest after midnight. Winds could gust as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 54. Southwest wind 9 to 15 mph, with gusts as high as 20 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 54. Breezy.

    High: 54 °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 Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
A 50 percent chance of rain, mainly after 5pm. Snow level rising to 9200 feet in the afternoon. Mostly sunny, with a high near 46. Breezy, with a west wind 13 to 22 mph, with gusts as high as 33 mph.
Tonight
A 50 percent chance of rain before 11pm. Snow level 9200 feet. Partly cloudy, with a low around 38. Breezy, with a west northwest wind 17 to 22 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 32 mph.
Thursday
Sunny, with a high near 51. West northwest wind 11 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 38. West northwest wind 9 to 18 mph becoming south southwest after midnight. Winds could gust as high as 25 mph.
Juneteenth
Mostly sunny, with a high near 54. Southwest wind 9 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 54. Breezy.
Saturday Night
Partly cloudy, with a low around 39. Breezy.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E St. Ignatius MT
 47.31°N 113.9°W (Elev. 8199 ft)
2:00 am MDT Jun 17, 2026
8am MDT Jun 17, 2026-6pm MDT Jun 23, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database