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Severe Thunderstorms & Heavy Rain in the Plains/Midwest; Clouds and Rain Threaten Eclipse Viewing for Some

While much of the nation observes today's eclipse, clouds threaten to obscure the view in parts of the Plains, Midwest, Mid-Atlantic, Southwest, and Southeast states. The weather could be more than just a nuisance in the north-central Plains and Midwest where scattered severe storms are possible this afternoon and evening. Very large hail, damaging wind gusts, and flash floods are possible. Read More >

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy

88°F

31°C

Humidity 52%
Wind Speed SE 12 mph
Barometer 30.02 in (1014.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 21 Aug 8:51 pm CDT
Extended Forecast for

San Antonio TXSimilar City Names

  • Tonight

    Tonight: Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 76 °F

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind becoming southeast around 5 mph in the afternoon.

    Hot

    High: 98 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph.

    Mostly Clear

    Low: 76 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 8am.  Mostly sunny and hot, with a high near 99. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon.

    Slight Chance
    T-storms

    High: 99 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 76. East wind around 5 mph becoming south after midnight.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 76 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 8am.  Mostly sunny and hot, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.

    Chance
    T-storms

    High: 97 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 76. East southeast wind around 5 mph.

    Chance
    T-storms

    Low: 76 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 8am.  Mostly cloudy, with a high near 91. East wind 5 to 10 mph.

    Chance
    T-storms

    High: 91 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly after 8pm.  Mostly cloudy, with a low around 75. East wind 5 to 10 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 75 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Tuesday
Mostly sunny and hot, with a high near 98. Heat index values as high as 103. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 99. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. East wind around 5 mph becoming south after midnight.
Thursday
A 30 percent chance of showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 76. East southeast wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 8am. Mostly cloudy, with a high near 91. East wind 5 to 10 mph.
Friday Night
Showers and thunderstorms likely, mainly after 8pm. Mostly cloudy, with a low around 75. East wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly cloudy, with a high near 90. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly cloudy, with a high near 92. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 91.
Click Map For Forecast
Point Forecast:
San Antonio TXSimilar City Names
 29.46°N 98.5°W (Elev. 741 ft)
5:43 pm CDT Aug 21, 2017
9pm CDT Aug 21, 2017-6pm CDT Aug 28, 2017
 
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