Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

San Angelo, Mathis Field (KSJT)

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

Fair

77°F

25°C

Humidity 64%
Wind Speed S 8 mph
Barometer 29.97 in (1012.9 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 13 Apr 6:51 pm CDT
Extended Forecast for

Big Lake TX

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Some of the storms could be severe.  Increasing clouds, with a low around 64. South wind around 10 mph.

    Low: 64 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Cloudy, then gradually becoming partly cloudy, with a low around 61. South wind 10 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 61 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind around 10 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Some of the storms could be severe. Increasing clouds, with a low around 64. South wind around 10 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 77. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 61. South wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 82. Southwest wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 59. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 87.
Friday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57.
Saturday
A slight chance of showers before 1pm. Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
A chance of showers. Partly sunny, with a high near 70.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Big Lake TX
 31.19°N 101.45°W (Elev. 2677 ft)
6:07 pm CDT Apr 13, 2026
6pm CDT Apr 13, 2026-6pm CDT Apr 20, 2026
 
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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