Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

Lancaster Airport (KLNC)

Lat: 32.58°NLon: 96.72°WElev: 496ft.

Partly Cloudy

68°F

20°C

Humidity 86%
Wind Speed E 3 mph
Barometer 29.91 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Nov 3:35 pm CST
Extended Forecast for

2 Miles NNW Lancaster TX

Flood Watch November 20, 03:41pm until November 21, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch November 20, 03:41pm until November 21, 06:00am

    NOW until 6:00am Fri

    Flood Watch

  • This Afternoon

    High: 75 °F

    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am.  Low around 62. West wind around 5 mph becoming east southeast in the evening.  Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers before 9am.  Mostly cloudy through mid morning, then gradual clearing, with a high near 77. West southwest wind 5 to 10 mph.

    High: 77 °F

    Slight Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52. Calm wind becoming north northwest around 5 mph after midnight.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. North wind around 5 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. North northeast wind around 5 mph becoming calm.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 71. East northeast wind 5 to 10 mph becoming southeast in the afternoon.  Chance of precipitation is 40%.

    High: 71 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight.  Low around 58. South southeast wind 5 to 10 mph.  Chance of precipitation is 80%.

    Low: 58 °F

    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 75. South wind around 10 mph becoming north. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 9pm, then a chance of showers and thunderstorms between 9pm and 3am, then a chance of showers after 3am. Low around 62. West wind around 5 mph becoming east southeast in the evening. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday
A 20 percent chance of showers before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 77. West southwest wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 52. Calm wind becoming north northwest around 5 mph after midnight.
Saturday
Sunny, with a high near 69. North wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 50. North northeast wind around 5 mph becoming calm.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 71. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Chance of precipitation is 40%.
Sunday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 58. South southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Monday
Showers and possibly a thunderstorm before noon, then a chance of showers. High near 72. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Lancaster TX
 32.62°N 96.8°W (Elev. 653 ft)
1:46 pm CST Nov 20, 2025
3pm CST Nov 20, 2025-6pm CST Nov 26, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database