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

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

57°F

14°C

Humidity 41%
Wind Speed WNW 14 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 17 Jun 09:20 PM MDT
Extended Forecast for

10 Miles SSW Story WY

  • Tonight

    Tonight: Mostly cloudy early, then becoming mostly clear, with a low around 38. West wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. North wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.

    Low: 39 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 62. Light and variable wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 28 mph.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. East wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 28 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 65. Southwest wind 5 to 7 mph becoming north northwest in the morning. Chance of precipitation is 80%.

    High: 65 °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 6 mph. Chance of precipitation is 80%.

    Low: 44 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 56. Chance of precipitation is 90%.

    High: 56 °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 then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy early, then becoming mostly clear, with a low around 38. West wind 5 to 13 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 57. Calm wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 39. North wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Juneteenth
Mostly sunny, with a high near 62. Light and variable wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 28 mph.
Friday Night
Partly cloudy, with a low around 47. East wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 28 mph.
Saturday
A slight chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 65. Southwest wind 5 to 7 mph becoming north northwest in the morning. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 44. West wind around 6 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 56. 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 54. 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 60.
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 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSW Story WY
 44.46°N 106.98°W (Elev. 8412 ft)
Last Update:
8:47 pm MDT Jun 17, 2026
Forecast Valid:
9pm MDT Jun 17, 2026-6pm MDT Jun 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