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

Severe Thunderstorms and Excessive Rainfall in the Southern Plains Today

Heavy to excessive rainfall may produce additional flash flooding today across parts of the southern Plains where the greatest risk is along the Red River Valley into western Arkansas. Scattered severe thunderstorms are possible today from north central Texas into the ArkLaTex Region. Large to very large hail, damaging winds, and tornadoes are all possible, with some strong-tornado potential. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Light Rain

61°F

16°C

Humidity 94%
Wind Speed NW 5 mph
Barometer 29.93 in
Dewpoint 59°F (15°C)
Visibility 3.00 mi
Last update 30 Apr 11:50 am CDT
Extended Forecast for

Whitesboro TX

Flood Watch April 30, 12:17pm until May 1, 07:00am
Flash Flood Warning April 30, 12:17pm until April 30, 01:15pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch April 30, 12:17pm until May 1, 07:00am
    Flash Flood Warning April 30, 12:17pm until April 30, 01:15pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 71 °F

    Heavy Rain

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 57. West wind 5 to 10 mph becoming south southeast after midnight.

    Low: 57 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60. Calm wind becoming southeast around 5 mph after midnight.

    Low: 60 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 71. East southeast wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 80%.

    High: 71 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North northeast wind 5 to 10 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 72. North northeast wind 5 to 10 mph.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. North northeast wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rainfall. Steady temperature around 71. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 57. West wind 5 to 10 mph becoming south southeast after midnight.
Thursday
Mostly sunny, with a high near 81. Calm wind becoming west around 5 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60. Calm wind becoming southeast around 5 mph after midnight.
Friday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 71. East southeast wind 5 to 10 mph becoming north in the morning. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 72. North northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 51. North northeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 73. East wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 76.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 58.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whitesboro TX
 33.66°N 96.9°W (Elev. 801 ft)
Last Update:
11:45 am CDT Apr 30, 2025
Forecast Valid:
12pm CDT Apr 30, 2025-6pm CDT May 6, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation