Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast across parts of the Upper Midwest into the Great Lakes, the Northeast, and the central High Plains. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Alpine, Alpine-Casparis Municipal Airport (KE38)

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

Fair

78°F

26°C

Humidity 57%
Wind Speed SE 3 mph
Barometer 30.14 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 1 Jul 5:15 pm CDT
Extended Forecast for

18 Miles N Marathon TX

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely.  Mostly cloudy, with a high near 82. South wind around 5 mph.  Chance of precipitation is 60%.

    High: 82 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm.  Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 83. South wind 5 to 15 mph.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68. East wind 5 to 10 mph becoming southeast 15 to 20 mph after midnight. Winds could gust as high as 30 mph.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 86. South wind 5 to 15 mph.

    High: 86 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

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

    Low: 68 °F

    Partly Cloudy

  • Independence Day

    Independence Day: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

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

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. South wind around 5 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. South wind 5 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 68. East wind 5 to 10 mph becoming southeast 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 5 to 15 mph.
Friday Night
Partly cloudy, with a low around 68.
Independence Day
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 67.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles N Marathon TX
 30.47°N 103.18°W (Elev. 4902 ft)
1:36 pm CDT Jul 1, 2026
5pm CDT Jul 1, 2026-6pm CDT Jul 8, 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