Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Hazardous Weather Conditions

Extreme Heat Warning in effect from June 18, 12:00 PM CDT until June 18, 08:00 PM CDT

Current conditions at

San Antonio Boerne Stage Field (K5C1)

Lat: 29.72°NLon: 98.69°WElev: 1385ft.

Fair

75°F

24°C

Humidity	94%
Wind Speed	S 3 mph
Barometer	29.68 in
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Last update	17 Jun 11:55 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

4 Miles N Spring Branch TX

Extreme Heat Warning June 18, 12:00pm until June 18, 08:00pm

Click here for hazard details and duration

Extreme Heat Warning

Overnight
Low: 77 °F
Mostly Clear
Thursday
High: 95 °F
Mostly Sunny
Thursday Night
Low: 78 °F
Partly Cloudy
then Slight
Chance
T-storms
Juneteenth
High: 90 °F
Slight Chance
T-storms
Friday Night
Low: 77 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 91 °F
Slight Chance
T-storms then
Chance
T-storms
Saturday Night
Low: 76 °F
Slight Chance
T-storms
Sunday
High: 94 °F
Mostly Sunny
Sunday Night
Low: 76 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 77. South wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday

Mostly sunny, with a high near 95. Heat index values as high as 107. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms after 4am. Increasing clouds, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

Juneteenth

A 10 percent chance of showers and thunderstorms before 7am. Mostly cloudy, with a high near 90. Heat index values as high as 100. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

Friday Night

A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 77. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Saturday

A slight chance of thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. South southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Saturday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 76. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Sunday

Mostly sunny, with a high near 94. South wind around 15 mph, with gusts as high as 30 mph.

Sunday Night

Mostly clear, with a low around 76. South southeast wind around 15 mph, with gusts as high as 30 mph.

Monday

Mostly sunny, with a high near 95.

Monday Night

Mostly clear, with a low around 75.

Tuesday

Mostly sunny, with a high near 94.

Tuesday Night

Partly cloudy, with a low around 75.