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

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

Current conditions at

San Angelo, Mathis Field (KSJT)

Lat: 31.35°NLon: 100.49°WElev: 1916ft.

Fair

79°F

26°C

Humidity 72%
Wind Speed S 10 mph
Barometer 29.61 in (999.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Jun 4:51 am CDT
Extended Forecast for

11 Miles SSW Vancourt TX

Extreme Heat Warning June 18, 12:00pm until June 18, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Mostly sunny and hot, with a high near 104. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 104 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75. Breezy, with a southeast wind 15 to 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Slight Chance
    T-storms and
    Breezy then
    Chance
    T-storms

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly between 1pm and 4pm. Cloudy, then becoming mostly sunny during the afternoon, with a high near 90. East southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. East southeast wind 5 to 10 mph. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. South wind around 10 mph. Chance of precipitation is 20%.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Breezy, with a south wind 15 to 20 mph.

    Low: 73 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 96. Windy, with a south wind 20 to 25 mph.

    High: 96 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Clear, with a low around 74. Windy, with a south wind 20 to 25 mph.

    Low: 74 °F

    Clear and
    Windy

  • Monday

    Monday: Sunny, with a high near 95. Windy, with a south wind 15 to 25 mph.

    High: 95 °F

    Sunny and
    Windy then
    Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 104. Breezy, with a south southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 75. Breezy, with a southeast wind 15 to 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers and thunderstorms likely, mainly between 1pm and 4pm. Cloudy, then becoming mostly sunny during the afternoon, with a high near 90. East southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. East southeast wind 5 to 10 mph. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 90. South wind around 10 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 73. Breezy, with a south wind 15 to 20 mph.
Sunday
Sunny, with a high near 96. Windy, with a south wind 20 to 25 mph.
Sunday Night
Clear, with a low around 74. Windy, with a south wind 20 to 25 mph.
Monday
Sunny, with a high near 95. Windy, with a south wind 15 to 25 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind around 15 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.
Wednesday
Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SSW Vancourt TX
 31.21°N 100.28°W (Elev. 2300 ft)
Last Update:
4:46 am CDT Jun 18, 2026
Forecast Valid:
5am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
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