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.

Partly Cloudy

89°F

32°C

Humidity 33%
Wind Speed N 12 G 17 mph
Barometer 30.05 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 29 Jun 5:55 pm CDT
Extended Forecast for

19 Miles S Marathon TX

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 10pm.  Mostly cloudy, with a low around 71. East wind 5 to 10 mph becoming northeast in the evening.  Chance of precipitation is 50%.

    Low: 71 °F

    Scattered
    T-storms then
    Isolated
    T-storms

  • Tuesday

    Tuesday: Scattered showers and thunderstorms, mainly after 4pm.  Mostly 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 between 10pm and 1am.  Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph.  Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 91. East 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 70. East wind 5 to 10 mph.  Chance of precipitation is 20%.

    Low: 70 °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: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 71. East wind 5 to 10 mph becoming northeast in the evening. Chance of precipitation is 50%.
Tuesday
Scattered showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 93. Southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms, mainly between 10pm and 1am. Mostly cloudy, with a low around 70. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. East 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 70. East wind 5 to 10 mph. 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
Mostly sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 71.
Independence Day
A slight chance of showers and thunderstorms after 1pm. 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 96.
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:
19 Miles S Marathon TX
 29.94°N 103.3°W (Elev. 3317 ft)
1:36 pm CDT Jun 29, 2026
6pm 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