National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Excessive Rainfall and Severe Thunderstorms Today

Heavy to excessive rainfall from thunderstorms may bring areas of flooding today across parts of Texas, the Southeast U.S., and the lower Ohio Valley. Severe thunderstorms with large hail, damaging wind gusts, and a couple tornadoes are expected this afternoon and evening across parts of west and southwest Texas. Read More >

Hazardous Weather Conditions

Current conditions at

San Antonio Boerne Stage Field (K5C1)

Lat: 29.72°NLon: 98.69°WElev: 1385ft.

Mostly Cloudy

81°F

27°C

Humidity 66%
Wind Speed SE 12 G 16 mph
Barometer 29.83 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 26 May 2:55 pm CDT
Extended Forecast for

Helotes TX

Flood Watch May 26, 04:00pm until May 27, 08:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 85. Southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 70. Southeast wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 70 °F

    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 84. East wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Partly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    High: 88 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. Southeast wind around 5 mph.

    Low: 73 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly cloudy, with a high near 89. South southeast wind around 5 mph.

    High: 89 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 85. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Low around 70. Southeast wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 84. East wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers and thunderstorms between 10pm and 1am. Mostly cloudy, with a low around 70. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 90. Calm wind becoming south southeast around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 73. Southeast wind around 5 mph.
Saturday
Mostly cloudy, with a high near 89. South southeast wind around 5 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helotes TX
 29.57°N 98.67°W (Elev. 974 ft)
Last Update:
2:44 pm CDT May 26, 2026
Forecast Valid:
3pm CDT May 26, 2026-6pm CDT Jun 1, 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