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

80°F

27°C

Humidity 34%
Wind Speed WNW 7 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index79°F (26°C)
Last update 16 Jun 05:00 PM MDT
Extended Forecast for

4 Miles W St. Ignatius MT

Wind Advisory until June 16, 10:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until June 16, 10:00pm

    NOW until 10:00pm Tue

    Wind Advisory

  • This Afternoon

    High: 84 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 53. Breezy, with a west wind 16 to 26 mph decreasing to 6 to 16 mph after midnight. Winds could gust as high as 43 mph.

    Low: 53 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 73. West northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 73 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain between 10pm and 11pm.  Partly cloudy, with a low around 51. West northwest wind 6 to 13 mph becoming south in the evening. Winds could gust as high as 23 mph.

    Low: 51 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 77. South wind 6 to 9 mph becoming northwest in the afternoon.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 84. Breezy, with a west wind around 26 mph, with gusts as high as 43 mph.
Tonight
Mostly clear, with a low around 53. Breezy, with a west wind 16 to 26 mph decreasing to 6 to 16 mph after midnight. Winds could gust as high as 43 mph.
Wednesday
Mostly sunny, with a high near 73. West northwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
A 20 percent chance of rain between 10pm and 11pm. Partly cloudy, with a low around 51. West northwest wind 6 to 13 mph becoming south in the evening. Winds could gust as high as 23 mph.
Thursday
Sunny, with a high near 77. South wind 6 to 9 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 52.
Juneteenth
Mostly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 51.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 81.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W St. Ignatius MT
 47.32°N 114.18°W (Elev. 3501 ft)
2:01 pm MDT Jun 16, 2026
5pm MDT Jun 16, 2026-6pm MDT Jun 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database