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

Areas of Severe Thunderstorms and Excessive Rainfall through Memorial Day

Multiple rounds of thunderstorms are forecast to impact portions of the Southern Plains, Mid-South, and Tennessee Valley through Memorial Day. Severe thunderstorms may produce large hail, severe wind gusts, and a few tornadoes. Excessive rainfall is also likely and may result in scattered to numerous instances of flash flooding. Read More >

Current conditions at

San Antonio Boerne Stage Field (K5C1)

Lat: 29.72°NLon: 98.69°WElev: 1385ft.

Partly Cloudy

88°F

31°C

Humidity 52%
Wind Speed SE 14 G 24 mph
Barometer 29.86 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 25 May 7:35 pm CDT
Extended Forecast for

Helotes TX

  • Tonight

    Tonight: Partly cloudy, then becoming cloudy toward daybreak, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Becoming
    Cloudy

  • Memorial Day

    Memorial Day: A 30 percent chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 93. Heat index values as high as 102. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Increasing clouds, with a low around 71. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of thunderstorms before 7am, then scattered showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 100. East southeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 92 °F

    Slight Chance
    T-storms then
    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. East northeast wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 70 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 84 °F

    Scattered
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. East wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    T-storms

  • Thursday

    Thursday: Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.

    High: 87 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. East wind around 5 mph. Chance of precipitation is 30%.

    Low: 70 °F

    Scattered
    T-storms

Detailed Forecast

Tonight
Partly cloudy, then becoming cloudy toward daybreak, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Memorial Day
A 30 percent chance of showers and thunderstorms after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 93. Heat index values as high as 102. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Increasing clouds, with a low around 71. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of thunderstorms before 7am, then scattered showers and thunderstorms after 1pm. Partly sunny, with a high near 92. Heat index values as high as 100. East southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. East northeast wind 5 to 10 mph. Chance of precipitation is 50%.
Wednesday
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 70. East wind 5 to 10 mph. Chance of precipitation is 30%.
Thursday
Scattered showers and thunderstorms. Mostly cloudy, with a high near 87. Southeast wind 5 to 10 mph. Chance of precipitation is 50%.
Thursday Night
Scattered showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 70. East wind around 5 mph. Chance of precipitation is 30%.
Friday
Scattered showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 86. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.
Saturday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
Scattered showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helotes TX
 29.59°N 98.69°W (Elev. 1211 ft)
Last Update:
7:42 pm CDT May 25, 2025
Forecast Valid:
7pm CDT May 25, 2025-6pm CDT Jun 1, 2025
 
Forecast Discussion
 
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Additional Resources

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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