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.

Clear

64°F

18°C

Humidity 36%
Wind Speed NNW 25 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 17 Jun 01:05 PM MDT
Extended Forecast for

19 Miles SSW Story WY

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 49. Windy, with a west northwest wind 18 to 25 mph, with gusts as high as 39 mph.

    High: 49 °F

    Increasing
    Clouds and
    Windy

  • Tonight

    Tonight: A 10 percent chance of snow showers before 7pm. Some thunder is also possible.  Mostly cloudy, with a low around 30. Blustery, with a northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.

    Low: 30 °F

    Slight Chance
    Snow Showers
    and Blustery
    then Mostly
    Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 49. Breezy, with a west wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 49 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. West northwest wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 29 mph.

    Low: 32 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 55. Light west wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. West wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 21 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon.  High near 56. West wind 5 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%.

    High: 56 °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 36. Chance of precipitation is 80%.

    Low: 36 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 48. Chance of precipitation is 80%.

    High: 48 °F

    Showers

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 49. Windy, with a west northwest wind 18 to 25 mph, with gusts as high as 39 mph.
Tonight
A 10 percent chance of snow showers before 7pm. Some thunder is also possible. Mostly cloudy, with a low around 30. Blustery, with a northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 49. Breezy, with a west wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph.
Thursday Night
Mostly clear, with a low around 32. West northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Juneteenth
Mostly sunny, with a high near 55. Light west wind becoming west southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 40. West wind 5 to 10 mph becoming southeast in the evening. Winds could gust as high as 21 mph.
Saturday
A slight chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 56. West wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 36. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 48. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm. Snow level 11600 feet. Partly sunny, with a high near 48.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 33.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles SSW Story WY
 44.33°N 107.24°W (Elev. 10499 ft)
12:31 pm MDT Jun 17, 2026
1pm MDT Jun 17, 2026-6pm MDT Jun 23, 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