Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Mostly Cloudy

63°F

17°C

Humidity 33%
Wind Speed NNW 19 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Jun 05:05 PM MDT
Extended Forecast for

13 Miles W Buffalo WY

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm.  Snow level 10100 feet lowering to 8700 feet after midnight . Mostly cloudy, with a low around 38. Breezy, with a north northwest wind 13 to 18 mph becoming light and variable  after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 20%.

    Low: 38 °F

    Isolated
    T-storms and
    Breezy then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 39. North northwest wind 5 to 10 mph becoming light and variable  in the evening. Winds could gust as high as 20 mph.

    Low: 39 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 65. Light and variable wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 26 mph.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. East southeast wind 5 to 14 mph becoming west southwest after midnight. Winds could gust as high as 26 mph.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon.  High near 68. Light west southwest wind becoming west northwest 5 to 9 mph in the morning.  Chance of precipitation is 90%.

    High: 68 °F

    Slight Chance
    T-storms then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers.  Low around 44. West wind around 7 mph.  Chance of precipitation is 80%.

    Low: 44 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 59. Chance of precipitation is 90%.

    High: 59 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 41. Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 9pm. Snow level 10100 feet lowering to 8700 feet after midnight . Mostly cloudy, with a low around 38. Breezy, with a north northwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 60. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 39. North northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Juneteenth
Mostly sunny, with a high near 65. Light and variable wind becoming east southeast 9 to 14 mph in the morning. Winds could gust as high as 26 mph.
Friday Night
Partly cloudy, with a low around 47. East southeast wind 5 to 14 mph becoming west southwest after midnight. Winds could gust as high as 26 mph.
Saturday
A slight chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 68. Light west southwest wind becoming west northwest 5 to 9 mph in the morning. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 44. West wind around 7 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 59. Chance of precipitation is 90%.
Sunday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Monday
Showers likely, then showers and possibly a thunderstorm after noon. High near 57. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 41.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 62.
Tuesday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 44.
Wednesday
A chance of showers and thunderstorms. Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles W Buffalo WY
 44.33°N 106.99°W (Elev. 8074 ft)
4:02 pm MDT Jun 17, 2026
5pm MDT Jun 17, 2026-6pm MDT Jun 24, 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