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

FISHTAIL (FSLM8)

Lat: 45.45806°NLon: 109.57139°WElev: 4550.0ft.

NA

81°F

27°C

Humidity 29%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index80°F (27°C)
Last update 22 Aug 12:22 PM MDT
Extended Forecast for

14 Miles NNE Cooke City MT

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm.  Mostly cloudy, with a high near 67. West southwest wind around 10 mph.  Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 3am.  Mostly cloudy, with a low around 48. Southwest wind 8 to 13 mph.  Chance of precipitation is 60%.

    Low: 48 °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 67. West southwest wind 13 to 23 mph.

    High: 67 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 45. Southwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight.  Chance of precipitation is 20%.

    Low: 45 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Southwest wind 8 to 16 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. West southwest wind 5 to 8 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm after noon.  Sunny through mid morning, then becoming mostly cloudy, with a high near 64. Southwest wind 7 to 9 mph becoming northwest in the afternoon.  Chance of precipitation is 70%.

    High: 64 °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 46. North northwest wind around 7 mph becoming south southwest in the evening.

    Low: 46 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 66. South southwest wind 7 to 11 mph becoming northwest in the afternoon.

    High: 66 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 67. West southwest wind around 10 mph. Chance of precipitation is 60%.
Tonight
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 48. Southwest wind 8 to 13 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. West southwest wind 13 to 23 mph.
Sunday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 45. Southwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 66. Southwest wind 8 to 16 mph.
Monday Night
Partly cloudy, with a low around 47. West southwest wind 5 to 8 mph.
Tuesday
Showers likely and possibly a thunderstorm after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 64. Southwest wind 7 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46. North northwest wind around 7 mph becoming south southwest in the evening.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. South southwest wind 7 to 11 mph becoming northwest in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48. South southwest wind 7 to 9 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 67. West southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 46. South southwest wind 10 to 18 mph.
Friday
Mostly sunny, with a high near 65. Southwest wind 10 to 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles NNE Cooke City MT
 45.2°N 109.81°W (Elev. 9199 ft)
12:32 pm MDT Aug 22, 2026
12pm 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