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Hazardous Weather Conditions
Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Overcast
86°F
30°C
| Humidity | 62% |
| Wind Speed | S 20 mph |
| Barometer | 29.84 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 92°F (33°C) |
| Last update | 30 Sep 11:50 am CDT |
Extended Forecast for
Whitesboro TX
Flood Watch September 30, 04:00pm until October 2, 07:00am
This Afternoon
High: 91 °F
Chance
T-stormsTonight
Low: 70 °F
T-storms
Likely then
Heavy RainThursday
High: 81 °F
Heavy Rain
Thursday Night
Low: 67 °F
Showers
LikelyFriday
High: 79 °F
Showers
LikelyFriday Night
Low: 63 °F
Chance
Showers then
Chance
T-stormsSaturday
High: 77 °F
Showers
LikelySaturday Night
Low: 63 °F
Chance
ShowersSunday
High: 80 °F
Chance
Showers
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms after 1pm. Cloudy, with a high near 91. South wind around 15 mph, with gusts as high as 25 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 70. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Thursday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 81. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 67. South southeast wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 79. North northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North wind 5 to 10 mph.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. North northeast wind around 5 mph. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 63. North northeast wind around 5 mph.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 80. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Whitesboro TX
33.66°N 96.9°W (Elev. 801 ft)
33.66°N 96.9°W (Elev. 801 ft)
6:06 am CDT Sep 30, 2026
12pm CDT Sep 30, 2026-6pm CDT Oct 6, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
