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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Clear

70°F

21°C

Humidity 37%
Wind Speed NW 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 17 Aug 07:55 AM MDT
Extended Forecast for

3 Miles SE Story WY

  • Today

    Today: Scattered showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Calm wind becoming south southwest 5 to 7 mph in the evening. Chance of precipitation is 20%.

    Low: 58 °F

    Isolated
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 87. West southwest wind 5 to 7 mph becoming east northeast in the afternoon.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. East wind 6 to 8 mph becoming southwest in the evening.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Southwest wind 6 to 9 mph becoming east southeast in the afternoon.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. East wind 8 to 14 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. South southeast wind 8 to 14 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 30%.
Tonight
Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Calm wind becoming south southwest 5 to 7 mph in the evening. Chance of precipitation is 20%.
Monday
Sunny, with a high near 87. West southwest wind 5 to 7 mph becoming east northeast in the afternoon.
Monday Night
Mostly clear, with a low around 60. East wind 6 to 8 mph becoming southwest in the evening.
Tuesday
Sunny, with a high near 93. Southwest wind 6 to 9 mph becoming east southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 63. East wind 8 to 14 mph becoming south southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 95. South southeast wind 8 to 14 mph.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Sunny, with a high near 84.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 80.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Story WY
 44.53°N 106.84°W (Elev. 4800 ft)
Last Update:
7:58 am MDT Aug 17, 2025
Forecast Valid:
8am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
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