Hazardous Weather Conditions
Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Fair
45°F
7°C
| Humidity | 61% |
| Wind Speed | E 10 mph |
| Barometer | 30.23 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 8.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 22 Jan 9:50 am CST |
Extended Forecast for
Grayson County Airport TX
Winter Storm Watch January 23, 12:00pm until January 25, 12:00pm
Extreme Cold Watch January 24, 06:00pm until January 26, 12:00pm
Today

High: 56 °F
Mostly Cloudy
Tonight

Low: 38 °F
Cloudy
Friday
High: 43 °F
Chance
Showers then
Rain/Sleet
LikelyFriday Night

Low: 22 °F
Wintry Mix
Saturday

High: 23 °F⇓
Wintry Mix
Saturday Night

Low: 10 °F
Wintry Mix
Sunday
High: 21 °F
Chance Snow
Showers then
Partly SunnySunday Night

Low: 5 °F
Partly Cloudy
Monday

High: 32 °F
Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 56. East southeast wind 5 to 10 mph.
Tonight
Cloudy, with a low around 38. East wind 5 to 10 mph.
Friday
A chance of rain showers before noon, then rain showers likely, possibly mixed with sleet. Cloudy, with a high near 43. East northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Little or no sleet accumulation expected.
Friday Night
Rain showers and sleet before 9pm, then freezing rain and sleet, possibly mixed with rain showers between 9pm and midnight, then freezing rain and sleet after midnight. The sleet could be heavy at times. Low around 22. Wind chill values between 13 and 18. Northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New ice accumulation of 0.1 to 0.3 of an inch possible. New sleet accumulation of around an inch possible.
Saturday
Sleet, possibly mixed with freezing rain. Temperature falling to around 21 by 5pm. North northeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Saturday Night
Sleet, possibly mixed with snow showers and freezing rain before midnight, then snow showers likely, possibly mixed with sleet. Low around 10. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Sunday
A 30 percent chance of snow showers before noon. Mostly cloudy and cold, with a high near 21. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 5. North northwest wind 5 to 10 mph.
Monday
Sunny, with a high near 32. Northwest wind around 5 mph becoming south southwest in the afternoon.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 42.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Grayson County Airport TX
33.71°N 96.66°W (Elev. 797 ft)
33.71°N 96.66°W (Elev. 797 ft)
5:06 am CST Jan 22, 2026
10am CST Jan 22, 2026-6pm CST Jan 28, 2026



