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

Hazardous Weather Conditions

Current conditions at

San Antonio Boerne Stage Field (K5C1)

Lat: 29.72°NLon: 98.69°WElev: 1385ft.

Partly Cloudy

N/A

Humidity NA
Wind Speed E 10 mph
Barometer 29.96 in
Dewpoint N/A
Visibility 10.00 mi
Last update 27 Aug 3:15 pm CDT
Extended Forecast for

Helotes TX

Heat Advisory August 27, 03:40pm until August 27, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 27, 03:40pm until August 27, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 99 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 99 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 76. South southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 10%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Clear

  • Saturday

    Saturday: Sunny, with a high near 98. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. East southeast wind around 5 mph becoming south after midnight.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 98. South wind around 5 mph.

    High: 98 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 75. Southeast wind 5 to 10 mph.

    Low: 75 °F

    Clear

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 76. Southeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A slight chance of thunderstorms before 7pm. Mostly clear, with a low around 76. South southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 10%.
Saturday
Sunny, with a high near 98. Calm wind becoming east southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 75. East southeast wind around 5 mph becoming south after midnight.
Sunday
Sunny, with a high near 98. South wind around 5 mph.
Sunday Night
Clear, with a low around 75. Southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 97. South southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Mostly sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 97.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helotes TX
 29.55°N 98.69°W (Elev. 988 ft)
Last Update:
2:46 pm CDT Aug 27, 2026
Forecast Valid:
3pm CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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