Excessive Rainfall and Tropical Storm in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce considerable, potentially life-threatening, flooding across the lower Mississippi River Valley and central Great Lakes region through tonight. Tropical Storm Arthur will move northeastward along the Texas coast today and then move inland over southwestern Louisiana by tonight. An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana. 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, Stinson Municipal Airport (KSSF)

Lat: 29.34°NLon: 98.47°WElev: 574ft.

Fair

91°F

33°C

Humidity	56%
Wind Speed	S 9 mph
Barometer	29.61 in (1001.4 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	17 Jun 4:53 pm CDT

More Information:

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

Extended Forecast for

5 Miles ESE Elmendorf TX

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

Click here for hazard details and duration

Extreme Heat Warning

Tonight
Low: 77 °F
Mostly Clear
Thursday
High: 96 °F
Sunny
Thursday Night
Low: 79 °F
Increasing
Clouds
Juneteenth
High: 94 °F
Partly Sunny
Friday Night
Low: 78 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 91 °F
Slight Chance
T-storms then
Chance
T-storms
Saturday Night
Low: 77 °F
Chance
T-storms
Sunday
High: 94 °F
Partly Sunny
then Slight
Chance
T-storms
Sunday Night
Low: 77 °F
Mostly Clear

Detailed Forecast

Tonight

Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.

Thursday

Sunny, with a high near 96. Heat index values as high as 113. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Thursday Night

Increasing clouds, with a low around 79. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Juneteenth

Partly sunny, with a high near 94. Heat index values as high as 109. Southeast wind 10 to 15 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 78. Southeast wind around 10 mph. Chance of precipitation is 40%.

Saturday

A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 91. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Saturday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Sunday

A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, with a low around 77. South southeast wind around 15 mph, with gusts as high as 25 mph.

Monday

Mostly sunny, with a high near 95.

Monday Night

Mostly clear, with a low around 77.

Tuesday

Mostly sunny, with a high near 94.

Tuesday Night

Partly cloudy, with a low around 76.