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Webinar on Heavy Rainfall and Flooding Threat for This Week - September 30, 2026

Watch our September 30, 2026, webinar regarding the heavy rainfall and flooding threat for South-Central Texas this week. A new webinar will be available around midday on Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

New Braunfels National Airport (KBAZ)

Lat: 29.71°NLon: 98.04°WElev: 658ft.

Mostly Cloudy

79°F

26°C

Humidity 90%
Wind Speed S 12 mph
Barometer 29.76 in (1006.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 1 Oct 4:51 am CDT
Extended Forecast for

Geronimo TX

Flood Watch October 1, 05:47am until October 2, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch October 1, 05:47am until October 2, 07:00pm

    NOW until 7:00pm Fri

    Flood Watch

  • Overnight

    Low: 77 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 90. Heat index values as high as 102. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 72. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 72 °F

    T-storms then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 81. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Cloudy, with a high near 81. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 68. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. North northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 15 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 90. Heat index values as high as 102. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
Showers and possibly a thunderstorm. Low around 72. South southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 81. North northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. North wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Cloudy, with a high near 81. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 68. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. North northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 68. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Partly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 85.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Geronimo TX
 29.67°N 97.96°W (Elev. 554 ft)
Last Update:
5:32 am CDT Oct 1, 2026
Forecast Valid:
5am CDT Oct 1, 2026-6pm CDT Oct 7, 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