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Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Seguin - Randolph AFB Auxiliary Field (KSEQ)

Lat: 29.57°NLon: 97.91°WElev: 525ft.

Thunderstorm in Vicinity and Breezy

88°F

31°C

Humidity 60%
Wind Speed N 22 G 26 mph
Barometer 29.87 in (1010.9 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 19 Jun 1:55 pm CDT
Extended Forecast for

Seguin TX

Heat Advisory until June 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 19, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Juneteenth

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southeast wind 5 to 10 mph.

    Low: 78 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 103. South southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 92 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Increasing clouds, with a low around 77. South southeast wind around 10 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South southeast wind around 15 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Juneteenth
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 92. Heat index values as high as 106. East northeast wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78. Southeast wind 5 to 10 mph.
Saturday
A slight chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 103. South southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 77. South southeast wind around 10 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 78. South southeast wind around 15 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 95. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 95. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny, with a high near 95.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Mostly sunny, with a high near 95.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Seguin TX
 29.58°N 97.96°W (Elev. 551 ft)
Last Update:
1:24 pm CDT Jun 19, 2026
Forecast Valid:
2pm CDT Jun 19, 2026-6pm CDT Jun 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation