Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Fair
73°F
23°C
| Humidity | 94% |
| Wind Speed | S 12 mph |
| Barometer | 29.82 in |
| Dewpoint | 72°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 21 Jun 6:50 am CDT |
Extended Forecast for
4 Miles S Willis OK
Today
High: 91 °F
Mostly Sunny
Tonight
Low: 78 °F
Mostly Clear
then Chance
T-stormsMonday
High: 90 °F
Chance
T-stormsMonday Night
Low: 76 °F
Chance
T-stormsTuesday
High: 90 °F
Chance
T-stormsTuesday Night
Low: 76 °F
Mostly Clear
then Chance
T-stormsWednesday
High: 88 °F
Chance
T-stormsWednesday Night
Low: 75 °F
Chance
T-stormsThursday
High: 89 °F
Partly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 91. Heat index values as high as 99. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 78. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 90. Heat index values as high as 102. South wind around 10 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southeast wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 90. South wind around 5 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Southeast wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South southwest wind around 5 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind around 5 mph.
Thursday
Partly sunny, with a high near 89. South wind around 5 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76.
Friday
Mostly sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 78.
Saturday
Mostly sunny, with a high near 93.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles S Willis OK
33.84°N 96.82°W (Elev. 656 ft)
33.84°N 96.82°W (Elev. 656 ft)
6:06 am CDT Jun 21, 2026
7am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
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