Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

Alpine, Alpine-Casparis Municipal Airport (KE38)

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

Overcast and Breezy

72°F

22°C

Humidity 54%
Wind Speed S 21 G 30 mph
Barometer 30.17 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Jun 10:55 pm CDT
Extended Forecast for

18 Miles N Marathon TX

  • Tonight

    Tonight: Isolated showers and thunderstorms before 1am.  Mostly cloudy, with a low around 69. South wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    Low: 69 °F

    Isolated
    T-storms

  • Tuesday

    Tuesday: Scattered showers and thunderstorms after 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 85. South wind 10 to 15 mph.  Chance of precipitation is 40%.

    High: 85 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Isolated showers and thunderstorms before 10pm.  Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph.  Chance of precipitation is 20%.

    Low: 68 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 83. South wind 5 to 15 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 30 mph.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers and thunderstorms before 1am. Mostly cloudy, with a low around 69. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tuesday
Scattered showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. South wind 10 to 15 mph. Chance of precipitation is 40%.
Tuesday Night
Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. South wind 5 to 15 mph.
Wednesday Night
Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 30 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 69.
Independence Day
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
A chance of showers and thunderstorms. Sunny, with a high near 88.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles N Marathon TX
 30.47°N 103.18°W (Elev. 4902 ft)
6:06 pm CDT Jun 29, 2026
11pm CDT Jun 29, 2026-6pm CDT Jul 6, 2026
 
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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