Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms are possible from the Ohio Valley to the central Plains this evening, and the threat will expand into the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Alaska through this evening and for the Four Corners region through Monday. Read More >

Current conditions at

Alpine, Alpine-Casparis Municipal Airport (KE38)

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

Fair

98°F

37°C

Humidity 17%
Wind Speed E 5 mph
Barometer 29.96 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 21 Jun 5:15 pm CDT
Extended Forecast for

21 Miles S Marathon TX

Heat Advisory June 22, 01:00pm until June 22, 10:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms.  Mostly sunny, with a high near 98. South wind around 5 mph.  Chance of precipitation is 20%.

    High: 98 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 72. East wind 15 to 20 mph decreasing to 5 to 10 mph. Winds could gust as high as 30 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Isolated showers and thunderstorms after 1pm.  Sunny and hot, with a high near 100. Light and variable wind becoming east 5 to 10 mph in the morning.  Chance of precipitation is 20%.

    High: 100 °F

    Sunny then
    Isolated
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. Northeast wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 97. Northeast wind 5 to 10 mph becoming southeast in the morning.

    High: 97 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98.

    High: 98 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 98. South wind around 5 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 72. East wind 15 to 20 mph decreasing to 5 to 10 mph. Winds could gust as high as 30 mph.
Monday
Isolated showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 71. Northeast wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 97. Northeast wind 5 to 10 mph becoming southeast in the morning.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
Sunny, with a high near 98.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 98.
Thursday Night
Partly cloudy, with a low around 72.
Friday
Sunny, with a high near 98.
Friday Night
Partly cloudy, with a low around 74.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 99.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles S Marathon TX
 29.9°N 103.19°W (Elev. 4170 ft)
1:36 pm CDT Jun 21, 2026
5pm CDT Jun 21, 2026-6pm CDT Jun 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database