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

Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

San Angelo, Mathis Field (KSJT)

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

Thunderstorm in Vicinity

51°F

11°C

Humidity 59%
Wind Speed NE 13 G 29 mph
Barometer 30.21 in (1022.0 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 18 Apr 11:51 am CDT
Extended Forecast for

Big Lake TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. North wind around 20 mph, with gusts as high as 30 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Northeast wind 10 to 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 68. Southeast wind 10 to 15 mph.

    High: 68 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 49. Southeast wind 5 to 15 mph.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 62. Southeast wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 53. Chance of precipitation is 10%.

    Low: 53 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 73.

    High: 73 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. North wind around 20 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 43. Northeast wind 10 to 20 mph.
Sunday
Increasing clouds, with a high near 68. Southeast wind 10 to 15 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 49. Southeast wind 5 to 15 mph.
Monday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 62. Southeast wind 10 to 15 mph. Chance of precipitation is 30%.
Monday Night
A slight chance of thunderstorms before 7pm. Mostly cloudy, with a low around 53. Chance of precipitation is 10%.
Tuesday
Mostly cloudy, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Partly sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Big Lake TX
 31.19°N 101.45°W (Elev. 2677 ft)
Last Update:
6:06 am CDT Apr 18, 2026
Forecast Valid:
12pm CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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