Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Current conditions at

YELLOW MULE (YLWM8)

Lat: 45.1661°NLon: 111.35954°WElev: 9200.0ft.

NA

53°F

12°C

Humidity 61%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 28 Jul 03:04 AM MDT
Extended Forecast for

11 Miles SE Big Sky MT

  • Overnight

    Overnight: Partly cloudy, with a low around 53. Southeast wind around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon.  Patchy smoke before 3pm. Mostly sunny, with a high near 78. Southeast wind 5 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 78 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 76. Light and variable wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Partly cloudy, with a low around 52. South southeast wind 3 to 8 mph.  Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Light and variable wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. West wind 5 to 7 mph becoming light and variable  after midnight.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Light south southwest wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. Southeast wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Patchy smoke before 3pm. Mostly sunny, with a high near 78. Southeast wind 5 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 54. West southwest wind 5 to 9 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Wednesday
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 76. Light and variable wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 52. South southeast wind 3 to 8 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 79. Light and variable wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 54. West wind 5 to 7 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 80. Light south southwest wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Big Sky MT
 45.16°N 111.15°W (Elev. 8074 ft)
12:31 am MDT Jul 28, 2026
3am MDT Jul 28, 2026-6pm MDT Aug 3, 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