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

Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

74°F

23°C

Humidity 34%
Wind Speed SSE 10 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 18 Aug 10:53 AM MDT
Extended Forecast for

20 Miles E Hyattville WY

  • Today

    Today: Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could be severe. Mostly cloudy, with a high near 60. Breezy, with a west wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    High: 60 °F

    Severe
    Thunderstorms
    and Breezy

  • Tonight

    Tonight: Scattered showers and thunderstorms before 9pm, then scattered showers between 9pm and 11pm. Some of the storms could be severe. Partly cloudy, with a low around 43. West wind 6 to 11 mph becoming north northwest after midnight. Chance of precipitation is 40%.

    Low: 43 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62. North wind 6 to 13 mph becoming west in the morning.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. West northwest wind 8 to 13 mph becoming light north.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. West wind 5 to 14 mph, with gusts as high as 26 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 69.

    High: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Isolated showers, then scattered showers and thunderstorms after noon. Some of the storms could be severe. Mostly cloudy, with a high near 60. Breezy, with a west wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms before 9pm, then scattered showers between 9pm and 11pm. Some of the storms could be severe. Partly cloudy, with a low around 43. West wind 6 to 11 mph becoming north northwest after midnight. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 62. North wind 6 to 13 mph becoming west in the morning.
Wednesday Night
Mostly clear, with a low around 46. West northwest wind 8 to 13 mph becoming light north.
Thursday
Sunny, with a high near 68. West wind 5 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 49. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 22 mph.
Friday
Mostly sunny, with a high near 70. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 69.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 66.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 47.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles E Hyattville WY
 44.27°N 107.2°W (Elev. 9396 ft)
Last Update:
10:02 am MDT Aug 18, 2026
Forecast Valid:
11am MDT Aug 18, 2026-6pm MDT Aug 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation