Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

Lat: 44.38122°NLon: 106.71947°WElev: 4925.0ft.

Overcast

61°F

16°C

Humidity 87%
Wind Speed S 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 14 Aug 12:15 AM MDT
Extended Forecast for

21 Miles ENE Ten Sleep WY

  • Overnight

    Overnight: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am.  Mostly cloudy, with a low around 44. South wind 6 to 11 mph becoming west. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms between noon and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 58. West wind 9 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 60%.

    High: 58 °F

    Partly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 9pm.  Partly cloudy, with a low around 43. West wind 3 to 8 mph.  Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 2pm.  Partly sunny, with a high near 56. Southwest wind 5 to 8 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Partly cloudy, with a low around 42. Light west wind becoming west northwest 5 to 9 mph after midnight.  Chance of precipitation is 50%.

    Low: 42 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 61. West wind around 9 mph.

    High: 61 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. West northwest wind 5 to 9 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after midnight.  Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 44. South wind 6 to 11 mph becoming west. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms between noon and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 58. West wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 9pm. Partly cloudy, with a low around 43. West wind 3 to 8 mph. Chance of precipitation is 60%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 56. Southwest wind 5 to 8 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 42. Light west wind becoming west northwest 5 to 9 mph after midnight. Chance of precipitation is 50%.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 61. West wind around 9 mph.
Sunday Night
Partly cloudy, with a low around 44. West northwest wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 64.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after midnight. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 61. Breezy. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 60.
Wednesday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles ENE Ten Sleep WY
 44.17°N 107.06°W (Elev. 9600 ft)
11:48 pm MDT Aug 13, 2026
12am MDT Aug 14, 2026-6pm MDT Aug 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database