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

MAIN BOULDER (MBRM8)

Lat: 45.45813°NLon: 110.19768°WElev: 5405.0ft.

NA

81°F

27°C

Humidity 36%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Heat Index80°F (27°C)
Last update 22 Aug 02:39 PM MDT
Extended Forecast for

7 Miles NNW Cooke City MT

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 65. Southwest wind 8 to 10 mph.

    High: 65 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 3am.  Cloudy, then gradually becoming partly cloudy, with a low around 47. South southwest wind 7 to 9 mph.  Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 63. Southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon.

    High: 63 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 43. West wind 11 to 16 mph becoming south 5 to 10 mph after midnight.

    Low: 43 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 63. South wind 6 to 13 mph becoming west in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Southwest wind 5 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon.  Sunny through mid morning, then becoming mostly cloudy, with a high near 61. Southwest wind 5 to 7 mph.  Chance of precipitation is 70%.

    High: 61 °F

    Mostly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 43. Northwest wind around 5 mph becoming southeast after midnight.

    Low: 43 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 63. South wind 5 to 8 mph becoming west in the afternoon.

    High: 63 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 65. Southwest wind 8 to 10 mph.
Tonight
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 47. South southwest wind 7 to 9 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. Southwest wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 43. West wind 11 to 16 mph becoming south 5 to 10 mph after midnight.
Monday
Mostly sunny, with a high near 63. South wind 6 to 13 mph becoming west in the afternoon.
Monday Night
Mostly cloudy, with a low around 44. Southwest wind 5 to 10 mph.
Tuesday
Showers likely and possibly a thunderstorm after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 61. Southwest wind 5 to 7 mph. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 43. Northwest wind around 5 mph becoming southeast after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. South wind 5 to 8 mph becoming west in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 45. West wind around 7 mph becoming south in the evening.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 63. South wind 6 to 15 mph.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 44. South wind 7 to 14 mph.
Friday
Mostly sunny, with a high near 61. Southwest wind 6 to 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNW Cooke City MT
 45.13°N 109.98°W (Elev. 9075 ft)
1:17 pm MDT Aug 22, 2026
2pm MDT Aug 22, 2026-6pm MDT Aug 28, 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