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

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

Current conditions at

San Antonio - Kelly Field (KSKF)

Lat: 29.38°NLon: 98.58°WElev: 689ft.

Fair

85°F

29°C

Humidity 65%
Wind Speed NE 5 mph
Barometer 29.68 in (1004.2 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 17 Jun 11:55 am CDT
Extended Forecast for

Somerset TX

Extreme Heat Warning June 18, 12:00pm until June 18, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • This Afternoon

    This Afternoon: Sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming south around 5 mph.

    High: 92 °F

    Sunny

  • Tonight

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

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny through mid morning, then becoming mostly cloudy, with a high near 96. Heat index values as high as 111. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 78. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Increasing
    Clouds

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 93. Southeast wind 5 to 10 mph.

    High: 93 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. East southeast wind 5 to 10 mph.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. South southeast wind 5 to 10 mph.

    High: 90 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming south around 5 mph.
Tonight
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Thursday
Sunny through mid morning, then becoming mostly cloudy, with a high near 96. Heat index values as high as 111. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Increasing clouds, with a low around 78. Southeast wind around 10 mph, with gusts as high as 20 mph.
Juneteenth
Partly sunny, with a high near 93. Southeast wind 5 to 10 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. East southeast wind 5 to 10 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. South southeast wind 5 to 10 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
Mostly sunny, with a high near 93.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Somerset TX
 29.23°N 98.65°W (Elev. 640 ft)
Last Update:
11:32 am CDT Jun 17, 2026
Forecast Valid:
12pm CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
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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