Severe Thunderstorms and Heavy Rain in the Mississippi Valley; Critical Fire Weather in the Southern Plains

Severe thunderstorms will persist tonight across the Middle Mississippi Valley, producing damaging winds, large to very large hail and several tornadoes. Low humidity and windy conditions will continue to produce elevated to critical fire weather conditions across the southern High Plains into midweek. Read More >

Current conditions at

Cotulla, Cotulla-La Salle County Airport (KCOT)

Lat: 28.46° N Lon: 99.22° W Elev: 476 ft.

Fair

83°F

28°C

Humidity 77%
Wind Speed SE 14 mph
Barometer 29.83 in (1009.3 mb)
Dewpoint 75°F (24°C)
Visibility 7.00 mi
Heat Index90°F (32°C)
Last update 27 Apr 10:53 pm CDT
Detailed forecast for

McMullen County

Tonight
Mostly clear this evening, then becoming mostly cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight.
Tuesday
Mostly cloudy in the morning, then clearing. Hot with highs around 100. Southeast winds 10 to 15 mph with gusts up to 25 mph.
Tuesday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 70s. Southeast winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight.
Wednesday
Partly cloudy. Hot with highs in the upper 90s. Southeast winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
Wednesday Night
Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. East winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight. Chance of rain 20 percent.
Thursday
Mostly cloudy. Highs in the lower 90s.
Thursday Night
Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows around 70. Chance of rain 30 percent.
Friday
Mostly cloudy with a chance of showers and thunderstorms. Highs around 90. Chance of rain 40 percent.
Friday Night
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Cooler with lows in the upper 50s. Chance of rain 40 percent.
Saturday
Mostly cloudy in the morning, then becoming partly cloudy. Much cooler with highs in the mid 70s.
Saturday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 50s.
Sunday
Partly cloudy. Highs around 80.
Sunday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Monday
Partly cloudy. Highs in the upper 80s.



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123 PM CDT Mon Apr 27 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database