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

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Hazardous Weather Conditions

Current conditions at

Afton WY (KAFO)

Lat: 42.71133°NLon: 110.94217°WElev: 6201.0ft.

Partly Cloudy

68°F

20°C

Humidity 45%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 16 Aug 09:55 AM MDT
Extended Forecast for

10 Miles ENE Border ID

  • Today

    Today: Isolated showers before noon, then isolated showers and thunderstorms between noon and 3pm, then isolated thunderstorms after 3pm. Mostly sunny, with a high near 78. West southwest wind 9 to 11 mph. Chance of precipitation is 20%.

    High: 78 °F

    Isolated
    Showers then
    Isolated
    T-storms

  • Tonight

    Tonight: Isolated showers before 10pm. Partly cloudy, with a low around 53. South southwest wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 53 °F

    Isolated
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. East southeast wind 5 to 8 mph becoming west southwest in the afternoon.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. West southwest wind 5 to 9 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Isolated showers before noon, then isolated showers and thunderstorms between noon and 3pm, then isolated thunderstorms after 3pm. Mostly sunny, with a high near 78. West southwest wind 9 to 11 mph. Chance of precipitation is 20%.
Tonight
Isolated showers before 10pm. Partly cloudy, with a low around 53. South southwest wind 5 to 9 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. East southeast wind 5 to 8 mph becoming west southwest in the afternoon.
Sunday Night
Mostly clear, with a low around 51. West southwest wind 5 to 8 mph becoming calm in the evening.
Monday
Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 52. West southwest wind 5 to 9 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 85.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ENE Border ID
 42.25°N 110.88°W (Elev. 6795 ft)
Last Update:
7:28 am MDT Aug 16, 2025
Forecast Valid:
10am MDT Aug 16, 2025-6pm MDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

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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