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

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Partly Cloudy

72°F

22°C

Humidity 43%
Wind Speed W 6 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 30 Jul 03:35 AM MDT
Extended Forecast for

15 Miles S Story WY

  • Overnight

    Overnight: A 20 percent chance of showers. Patchy smoke before 5am. Mostly cloudy, with a low around 42. West northwest wind around 9 mph.

    Low: 42 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Patchy smoke. Mostly sunny, with a high near 58. West northwest wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy smoke. Partly cloudy, with a low around 42. North northwest wind 8 to 13 mph becoming southwest in the evening. Winds could gust as high as 20 mph.

    Low: 42 °F

    Chance
    Showers then
    Patchy Smoke

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 61. West wind 9 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 61 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. North northwest wind 9 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 67 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 33 mph.

    Low: 49 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 70. Windy.

    High: 70 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Patchy smoke before 5am. Mostly cloudy, with a low around 42. West northwest wind around 9 mph.
Thursday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Patchy smoke. Mostly sunny, with a high near 58. West northwest wind 9 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy smoke. Partly cloudy, with a low around 42. North northwest wind 8 to 13 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Friday
A 40 percent chance of showers and thunderstorms, mainly before 3pm. Mostly sunny, with a high near 61. West wind 9 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 43. North northwest wind 9 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 67. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 49. Breezy, with a south southwest wind 14 to 23 mph, with gusts as high as 33 mph.
Sunday
Sunny, with a high near 70. Windy.
Sunday Night
Partly cloudy, with a low around 42. Breezy.
Monday
Sunny, with a high near 58. Breezy.
Monday Night
Mostly clear, with a low around 35. Breezy.
Tuesday
Sunny, with a high near 55. Breezy.
Tuesday Night
Partly cloudy, with a low around 38. Breezy.
Wednesday
A slight chance of rain and snow showers. Some thunder is also possible. Sunny, with a high near 61. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles S Story WY
 44.38°N 107.15°W (Elev. 11001 ft)
Last Update:
2:47 am MDT Jul 30, 2026
Forecast Valid:
3am MDT Jul 30, 2026-6pm MDT Aug 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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