Dangerous Heat in the East; Critical Fire Weather in the 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 today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Current conditions at

Alpine, Alpine-Casparis Municipal Airport (KE38)

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

Mostly Cloudy

87°F

31°C

Humidity 33%
Wind Speed N 14 G 18 mph
Barometer 30.07 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 29 Jun 4:35 pm CDT
Extended Forecast for

18 Miles S Marathon TX

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms.  Mostly sunny, with a high near 95. Southeast wind around 5 mph.  Chance of precipitation is 50%.

    High: 95 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 10pm.  Mostly cloudy, with a low around 71. East wind 5 to 10 mph becoming southeast after midnight.  Chance of precipitation is 30%.

    Low: 71 °F

    Scattered
    T-storms

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, mainly after 4pm.  Mostly cloudy, then gradually becoming sunny, with a high near 93. Southeast wind 5 to 10 mph.  Chance of precipitation is 40%.

    High: 93 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms, mainly before 7pm.  Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph.  Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 91. Southeast wind around 5 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 69. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

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

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Mostly sunny, with a high near 95. Southeast wind around 5 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 71. East wind 5 to 10 mph becoming southeast after midnight. Chance of precipitation is 30%.
Tuesday
Scattered showers and thunderstorms, mainly after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 93. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Southeast wind around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 20%.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 70.
Independence Day
A slight chance of showers and thunderstorms. Sunny, with a high near 97.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms. Sunny, with a high near 95.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A chance of showers and thunderstorms. Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles S Marathon TX
 29.94°N 103.28°W (Elev. 3435 ft)
1:36 pm CDT Jun 29, 2026
4pm 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