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

Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Mostly Cloudy

64°F

18°C

Humidity 48%
Wind Speed NW 5 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 18 Aug 01:35 AM MDT
Extended Forecast for

19 Miles ESE Ten Sleep WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 50. Northwest wind 3 to 5 mph.

    Low: 50 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. West wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48. West northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 69. Breezy, with a west wind 7 to 17 mph, with gusts as high as 28 mph.

    High: 69 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Northwest wind 5 to 11 mph becoming northeast in the evening. Winds could gust as high as 21 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Breezy, with a west wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 76 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. West northwest wind 5 to 11 mph becoming east northeast in the evening. Winds could gust as high as 20 mph.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 50. Northwest wind 3 to 5 mph.
Tuesday
A slight chance of showers and thunderstorms before 2pm, then a slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. West wind 5 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48. West northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 69. Breezy, with a west wind 7 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 51. Northwest wind 5 to 11 mph becoming northeast in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 76. Breezy, with a west wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 54. West northwest wind 5 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.
Friday Night
Partly cloudy, with a low around 57.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. Breezy.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
19 Miles ESE Ten Sleep WY
 43.95°N 107.1°W (Elev. 8258 ft)
Last Update:
1:02 am MDT Aug 18, 2026
Forecast Valid:
1am 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