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

Alpine (K46U)

Lat: 43.1846°NLon: 111.0424°WElev: 5634.0ft.

Mostly Cloudy

55°F

13°C

Humidity 62%
Wind Speed SE 5 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 17 Aug 03:35 AM MDT
Extended Forecast for

8 Miles SSE Rafter J Ranch WY

  • Today

    Today: Isolated showers between 11am and noon, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 83. East southeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 40%.

    High: 83 °F

    Isolated
    Showers then
    Scattered
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight. Mostly clear, with a low around 42. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 42 °F

    Isolated
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. West southwest wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Southwest wind around 6 mph becoming calm in the evening.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Isolated showers between 11am and noon, then scattered showers and thunderstorms after noon. Mostly sunny, with a high near 83. East southeast wind 5 to 8 mph becoming southwest in the afternoon. Chance of precipitation is 40%.
Tonight
Isolated showers and thunderstorms before 9pm, then isolated showers between 9pm and midnight. Mostly clear, with a low around 42. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Sunny, with a high near 88. Light and variable wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 43. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 92. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 48. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 92. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 46.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 46.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Rafter J Ranch WY
 43.31°N 110.72°W (Elev. 6818 ft)
Last Update:
3:28 am MDT Aug 17, 2025
Forecast Valid:
4am 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