Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Current conditions at

FISHTAIL (FSLM8)

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

NA

62°F

17°C

Humidity 52%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 26 Aug 05:22 AM MDT
Extended Forecast for

12 Miles WSW Roscoe MT

  • Today

    Today: A chance of showers and thunderstorms before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm.  High near 75. West southwest wind around 6 mph becoming east northeast in the afternoon.  Chance of precipitation is 80%.

    High: 75 °F

    Mostly Sunny
    then Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 55. Light south southwest wind becoming west southwest 5 to 9 mph in the evening.  Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 3pm.  Partly sunny, with a high near 79. West southwest wind 6 to 9 mph.

    High: 79 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 55. South southwest wind 7 to 13 mph.  Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 75. Southwest wind around 13 mph.  Chance of precipitation is 70%.

    High: 75 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 53. Southwest wind 10 to 13 mph.  Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm.  High near 68. Southwest wind 11 to 16 mph.  Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 47. Southwest wind 14 to 21 mph.  Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 66. Southwest wind 17 to 21 mph.  Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 75. West southwest wind around 6 mph becoming east northeast in the afternoon. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 55. Light south southwest wind becoming west southwest 5 to 9 mph in the evening. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 79. West southwest wind 6 to 9 mph.
Thursday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 55. South southwest wind 7 to 13 mph. Chance of precipitation is 20%.
Friday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 75. Southwest wind around 13 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 53. Southwest wind 10 to 13 mph. Chance of precipitation is 70%.
Saturday
Showers and possibly a thunderstorm. High near 68. Southwest wind 11 to 16 mph. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 47. Southwest wind 14 to 21 mph. Chance of precipitation is 70%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66. Southwest wind 17 to 21 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 45. Southwest wind 13 to 16 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 71. Southwest wind 13 to 20 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 50. Southwest wind 10 to 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 70. Southwest wind 14 to 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WSW Roscoe MT
 45.26°N 109.7°W (Elev. 6401 ft)
12:32 am MDT Aug 26, 2026
5am MDT Aug 26, 2026-6pm MDT Sep 1, 2026
 
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Additional Resources

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