National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

79°F

26°C

Humidity 31%
Wind Speed NW 9 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 46°F (8°C)
Visibility 8.00 mi
Heat Index79°F (26°C)
Last update 11 Aug 08:20 PM MDT
Extended Forecast for

11 Miles S Story WY

  • Tonight

    Tonight: Areas of smoke. Mostly cloudy, with a low around 43. North wind 6 to 13 mph becoming south in the evening. Winds could gust as high as 20 mph.

    Low: 43 °F

    Areas Smoke

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, mainly after 5pm. Patchy smoke. Cloudy, with a high near 67. West southwest wind 11 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 67 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 4am, then a chance of showers after 5am. Areas of smoke before midnight. Mostly cloudy, with a low around 40. Northwest wind 5 to 11 mph becoming southeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    Low: 40 °F

    Scattered
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after noon. High near 60. Southwest wind 6 to 9 mph becoming southeast in the morning. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 38. West southwest wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 59. West wind around 10 mph. Chance of precipitation is 90%.

    High: 59 °F

    Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Low around 36. West wind around 8 mph. Chance of precipitation is 90%.

    Low: 36 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 59. Chance of precipitation is 80%.

    High: 59 °F

    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Areas of smoke. Mostly cloudy, with a low around 43. North wind 6 to 13 mph becoming south in the evening. Winds could gust as high as 20 mph.
Wednesday
Scattered showers and thunderstorms, mainly after 5pm. Patchy smoke. Cloudy, with a high near 67. West southwest wind 11 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 4am, then a chance of showers after 5am. Areas of smoke before midnight. Mostly cloudy, with a low around 40. Northwest wind 5 to 11 mph becoming southeast in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Thursday
Showers likely, then showers and possibly a thunderstorm after noon. High near 60. Southwest wind 6 to 9 mph becoming southeast in the morning. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 38. West southwest wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 59. West wind around 10 mph. Chance of precipitation is 90%.
Friday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Low around 36. West wind around 8 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm. High near 59. Chance of precipitation is 80%.
Saturday Night
A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 36.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 63.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 38.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 66.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 40.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 67. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles S Story WY
 44.45°N 107.13°W (Elev. 9196 ft)
Last Update:
6:47 pm MDT Aug 11, 2026
Forecast Valid:
8pm MDT Aug 11, 2026-6pm MDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation