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 >

Current conditions at

Alpine, Alpine-Casparis Municipal Airport (KE38)

Lat: 30.38°NLon: 103.68°WElev: 4514ft.

Thunderstorm in Vicinity

85°F

29°C

Humidity 39%
Wind Speed W 10 mph
Barometer 30.21 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 17 Aug 1:15 pm CDT
Extended Forecast for

15 Miles NNW Marathon TX

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 86 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph. Chance of precipitation is 10%.

    Low: 70 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Scattered showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 87. South wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 87 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Monday Night

    Monday Night: Isolated showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Southeast wind 5 to 15 mph. Chance of precipitation is 10%.

    Low: 70 °F

    Isolated
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind around 5 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 50%.

    High: 84 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Tonight
Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph. Chance of precipitation is 10%.
Monday
Scattered showers and thunderstorms, mainly between 1pm and 4pm. Mostly sunny, with a high near 87. South wind 5 to 10 mph. Chance of precipitation is 40%.
Monday Night
Isolated showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Southeast wind 5 to 15 mph. Chance of precipitation is 10%.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 66.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 66.
Saturday
A slight chance of showers and thunderstorms. Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Marathon TX
 30.42°N 103.31°W (Elev. 5000 ft)
Last Update:
12:32 pm CDT Aug 17, 2025
Forecast Valid:
1pm CDT Aug 17, 2025-6pm CDT 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