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Hazardous Weather Conditions
Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Partly Cloudy
77°F
25°C
| Humidity | 86% |
| Wind Speed | SE 15 G 22 mph |
| Barometer | 29.80 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 78°F (26°C) |
| Last update | 30 Sep 10:15 pm CDT |
Extended Forecast for
Sherman TXSimilar City Names
Flood Watch until October 2, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 71 °F
Showers
Likely then
ShowersThursday
High: 80 °F
Showers
Thursday Night
Low: 68 °F
Chance
T-stormsFriday
High: 79 °F
Chance
ShowersFriday Night
Low: 65 °F
Chance
ShowersSaturday
High: 77 °F
Chance
ShowersSaturday Night
Low: 64 °F
Slight Chance
T-storms then
Chance
ShowersSunday
High: 80 °F
Chance
Showers
Detailed Forecast
Tonight
Showers and possibly a thunderstorm. Low around 71. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 80. Southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 79. Light northeast wind becoming north northeast 5 to 10 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. North northeast wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Northeast wind around 5 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 64. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 80. North northeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 62. North northeast wind around 5 mph.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Sherman TXSimilar City Names
33.62°N 96.6°W (Elev. 699 ft)
33.62°N 96.6°W (Elev. 699 ft)
9:27 pm CDT Sep 30, 2026
10pm CDT Sep 30, 2026-6pm CDT Oct 7, 2026
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