Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

Gilmer, Fox Stephens Field - Gilmer Municipal Airport (KJXI)

Lat: 32.7°NLon: 94.95°WElev: 417ft.

Fair

79°F

26°C

Humidity 68%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 21 Aug 7:15 am CDT
Extended Forecast for

Big Sandy TX

Extreme Heat Warning August 21, 10:00am until August 21, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 104. Heat index values as high as 109. Southwest wind around 5 mph becoming calm  in the afternoon.

    High: 104 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny and hot, with a high near 103. Heat index values as high as 110. Calm wind becoming southwest around 5 mph.

    High: 103 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 103. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 104. Heat index values as high as 109. Southwest wind around 5 mph becoming calm in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 103. Heat index values as high as 110. Calm wind becoming southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm.
Sunday
Mostly sunny and hot, with a high near 103. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny and hot, with a high near 102.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 103.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 101.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Sandy TX
 32.59°N 95.11°W (Elev. 384 ft)
6:31 am CDT Aug 21, 2026
7am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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Additional Resources

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