National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

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

NA

77°F

25°C

Humidity 43%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Heat Index78°F (26°C)
Last update 22 Aug 09:00 PM MDT
Extended Forecast for

7 Miles E St. Ignatius MT

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Southeast wind 5 to 10 mph becoming south southwest after midnight.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. West wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. West southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Northwest wind 5 to 8 mph becoming east southeast after midnight.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain before midnight. Partly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. Southeast wind 5 to 10 mph becoming south southwest after midnight.
Sunday
Sunny, with a high near 61. West wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Mostly clear, with a low around 46. West southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Monday
Sunny, with a high near 62. Light and variable wind becoming west around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 50. Northwest wind 5 to 8 mph becoming east southeast after midnight.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
A slight chance of rain before midnight. Partly cloudy, with a low around 53.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E St. Ignatius MT
 47.34°N 113.94°W (Elev. 6850 ft)
Last Update:
2:01 pm MDT Aug 22, 2026
Forecast Valid:
10pm MDT Aug 22, 2026-6pm MDT Aug 29, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation