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

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Hazardous Weather Conditions

Current conditions at

San Angelo, Mathis Field (KSJT)

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

Mostly Cloudy

90°F

32°C

Humidity 44%
Wind Speed S 20 G 31 mph
Barometer 29.90 in (1009.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 21 Jun 5:51 pm CDT
Extended Forecast for

21 Miles NW Mertzon TX

Wind Advisory until June 21, 09:00pm
Click here for hazard details and duration
...
  •  
    Wind Advisory until June 21, 09:00pm

    NOW until 9:00pm Sat

    Wind Advisory

  • Tonight

    Low: 70 °F

    Mostly Clear
    and Windy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon.

    High: 91 °F

    Mostly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 71. Windy, with a south southeast wind 20 to 25 mph decreasing to 10 to 15 mph after midnight.

    Low: 71 °F

    Partly Cloudy
    and Windy
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93. Breezy, with a south southeast wind 10 to 20 mph.

    High: 93 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 95. South southeast wind 5 to 15 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. South southeast wind 10 to 15 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. South southeast wind 5 to 10 mph.

    High: 95 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 70. Windy, with a south wind 20 to 25 mph decreasing to 15 to 20 mph after midnight.
Sunday
Mostly sunny, with a high near 91. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 71. Windy, with a south southeast wind 20 to 25 mph decreasing to 10 to 15 mph after midnight.
Monday
Mostly sunny, with a high near 93. Breezy, with a south southeast wind 10 to 20 mph.
Monday Night
Partly cloudy, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 95. South southeast wind 5 to 15 mph.
Tuesday Night
Mostly clear, with a low around 70. South southeast wind 10 to 15 mph.
Wednesday
Sunny, with a high near 95. South southeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 70. South southeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 96. South wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 71.
Friday
Sunny, with a high near 97.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NW Mertzon TX
 31.45°N 101.09°W (Elev. 2323 ft)
Last Update:
3:29 pm CDT Jun 21, 2025
Forecast Valid:
6pm CDT Jun 21, 2025-6pm CDT Jun 28, 2025
 
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Additional Resources

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Chance of Precipitation