Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Fair
82°F
28°C
| Humidity | 67% |
| Wind Speed | S 14 mph |
| Barometer | 29.83 in |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 18 May 9:35 pm CDT |
Extended Forecast for
2 Miles W Southmayd TX
Tonight
Low: 73 °F
Increasing
CloudsTuesday
High: 83 °F
Showers
Tuesday Night
Low: 64 °F
Showers
LikelyWednesday
High: 77 °F
Chance
Showers then
Chance
T-stormsWednesday Night
Low: 64 °F
Showers
LikelyThursday
High: 75 °F
Showers
Thursday Night
Low: 64 °F
Showers
LikelyFriday
High: 80 °F
Chance
T-stormsFriday Night
Low: 64 °F
Chance
T-storms
Detailed Forecast
Tonight
Increasing clouds, with a low around 73. South wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10am. High near 83. South wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 64. East southeast wind around 5 mph becoming north northeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Northeast wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 75. East southeast wind 5 to 10 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. South southeast wind around 5 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80. South wind around 5 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. South southeast wind around 5 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles W Southmayd TX
33.62°N 96.76°W (Elev. 735 ft)
33.62°N 96.76°W (Elev. 735 ft)
6:12 pm CDT May 18, 2026
9pm CDT May 18, 2026-6pm CDT May 25, 2026
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