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

Monarch Canyon US-89 MP 53.5 (MTMON)

Lat: 47.1429°NLon: 110.82309°WElev: 5197.0ft.

NA

78°F

26°C

Humidity 28%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index78°F (26°C)
Last update 22 Aug 10:45 AM MDT
Extended Forecast for

10 Miles E Monarch MT

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 78. South southwest wind around 7 mph.

    High: 78 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy, with a low around 60. South southwest wind 5 to 8 mph.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly before 4pm.  Partly sunny, with a high near 77. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 77 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71. West northwest wind 7 to 9 mph, with gusts as high as 18 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. North northwest wind 5 to 7 mph becoming south southeast after midnight.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74. Light and variable wind becoming north 5 to 7 mph in the afternoon.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Northeast wind 7 to 10 mph becoming south after midnight.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 78. South southwest wind around 7 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 60. South southwest wind 5 to 8 mph.
Sunday
A 50 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 77. Southwest wind 7 to 13 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 52. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Monday
Sunny, with a high near 71. West northwest wind 7 to 9 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 52. North northwest wind 5 to 7 mph becoming south southeast after midnight.
Tuesday
Sunny, with a high near 74. Light and variable wind becoming north 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55. Northeast wind 7 to 10 mph becoming south after midnight.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76.
Wednesday Night
A slight chance of showers before midnight. Partly cloudy, with a low around 56.
Thursday
Sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Monarch MT
 47.08°N 110.64°W (Elev. 6181 ft)
6:31 am MDT Aug 22, 2026
11am MDT Aug 22, 2026-6pm MDT Aug 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database