Risks of Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Fire Weather Concerns in Alaska and Southwest

An expansive storm system will bring widespread storms with a threat for flash flooding and severe weather to much of the central to eastern U.S. into early this week. Critical fire weather conditions are expected across interior Alaska this weekend. Elevated fire conditions also expected in the Southwest U.S.. Conditions will remain uncomfortably hot across the southern Plains and the Southeast. Read More >

Current conditions at

MAIN BOULDER (MBRM8)

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

NA

52°F

11°C

Humidity 100%
Wind Speed SE 2 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 20 Jun 11:39 PM MDT
Extended Forecast for

11 Miles N Cooke City MT

  • Overnight

    Overnight: Showers likely, mainly between 3am and 4am.  Cloudy, with a steady temperature around 42. West northwest wind 5 to 7 mph.  Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 54. West wind 3 to 8 mph.  Chance of precipitation is 40%.

    High: 54 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 3am.  Mostly cloudy, with a low around 36. South wind 3 to 6 mph.  Chance of precipitation is 40%.

    Low: 36 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 50. Southwest wind 5 to 9 mph becoming northwest in the afternoon.  Chance of precipitation is 70%.

    High: 50 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Partly cloudy, with a low around 32. North northwest wind 5 to 9 mph becoming light and variable  after midnight.  Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 56. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. North wind 5 to 7 mph becoming south after midnight.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 59. Light and variable wind becoming west 5 to 9 mph in the afternoon.

    High: 59 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 40. North northwest wind 5 to 7 mph becoming light and variable.

    Low: 40 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Showers likely, mainly between 3am and 4am. Cloudy, with a steady temperature around 42. West northwest wind 5 to 7 mph. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 54. West wind 3 to 8 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and 3am. Mostly cloudy, with a low around 36. South wind 3 to 6 mph. Chance of precipitation is 40%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 50. Southwest wind 5 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 32. North northwest wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 56. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 36. North wind 5 to 7 mph becoming south after midnight.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59. Light and variable wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40. North northwest wind 5 to 7 mph becoming light and variable.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61. Light and variable wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 42. West wind around 6 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 63. West southwest wind 6 to 16 mph.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 43. South wind 8 to 14 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 56. Southwest wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles N Cooke City MT
 45.17°N 109.96°W (Elev. 9049 ft)
1:27 pm MDT Jun 20, 2026
12am MDT Jun 21, 2026-6pm MDT Jun 27, 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