Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Mostly Cloudy

70°F

21°C

Humidity 37%
Wind Speed W 27 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 18 Aug 07:05 PM MDT
Extended Forecast for

20 Miles ESE Ten Sleep WY

Severe T-storm Watch until August 18, 09:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch until August 18, 09:00pm

    NOW until 9:00pm Tue

    Severe T-storm Watch

  • Tonight

    Low: 49 °F

    Severe
    Thunderstorms
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 69. Breezy, with a west wind 7 to 17 mph, with gusts as high as 24 mph.

    High: 69 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Northwest wind 5 to 14 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Breezy, with a north northwest wind 6 to 16 mph becoming west in the morning. Winds could gust as high as 25 mph.

    High: 75 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. West northwest wind 6 to 11 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 77. North wind 5 to 10 mph becoming west southwest in the morning.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. North northeast wind around 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 75. Breezy.

    High: 75 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. West northwest wind 6 to 13 mph. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 69. Breezy, with a west wind 7 to 17 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 53. Northwest wind 5 to 14 mph becoming east after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 75. Breezy, with a north northwest wind 6 to 16 mph becoming west in the morning. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 57. West northwest wind 6 to 11 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 77. North wind 5 to 10 mph becoming west southwest in the morning.
Friday Night
Partly cloudy, with a low around 59. North northeast wind around 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75. Breezy.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Monday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles ESE Ten Sleep WY
 43.91°N 107.09°W (Elev. 8514 ft)
6:01 pm MDT Aug 18, 2026
7pm MDT Aug 18, 2026-6pm MDT Aug 25, 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