Hazardous Weather Conditions
Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Overcast
47°F
8°C
| Humidity | 66% |
| Wind Speed | E 10 mph |
| Barometer | 30.15 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 23 Jan 5:55 am CST |
Extended Forecast for
Whitesboro TX
Winter Storm Warning January 23, 06:00pm until January 25, 12:00pm
Extreme Cold Warning January 24, 06:00pm until January 26, 12:00pm
Today
High: 44 °F⇓
Showers
Likely then
ShowersTonight

Low: 22 °F
Wintry Mix
Saturday

High: 22 °F⇓
Wintry Mix
Saturday Night

Low: 9 °F
Wintry Mix
Sunday
High: 18 °F
Chance Snow
Showers then
Mostly CloudySunday Night

Low: 2 °F
Mostly Clear
Monday

High: 26 °F
Cold
Monday Night

Low: 11 °F
Mostly Clear
Tuesday

High: 40 °F
Mostly Sunny
Detailed Forecast
Today
Showers, mainly after 3pm. Temperature falling to around 38 by 5pm. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain showers, freezing rain, and sleet before midnight, then freezing rain and sleet. Low around 22. Wind chill values between 12 and 17. Northeast wind 10 to 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 less than a half inch possible.
Saturday
Sleet, possibly mixed with freezing rain. Temperature falling to around 18 by 4pm. Wind chill values between 5 and 11. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New sleet accumulation of less than one inch possible.
Saturday Night
Sleet, possibly mixed with freezing rain before midnight, then snow showers and sleet. The sleet could be heavy at times. Low around 9. Wind chill values between -6 and 4. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 2 inches possible.
Sunday
A 40 percent chance of snow showers before noon. Mostly cloudy and cold, with a high near 18. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 2. North northwest wind 5 to 10 mph.
Monday
Sunny and cold, with a high near 26. North northwest wind around 5 mph becoming west southwest in the afternoon.
Monday Night
Mostly clear, with a low around 11. South southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 40. South southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly clear, with a low around 15.
Thursday
Mostly sunny, with a high near 36.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Whitesboro TX
33.66°N 96.9°W (Elev. 801 ft)
33.66°N 96.9°W (Elev. 801 ft)
5:06 am CST Jan 23, 2026
6am CST Jan 23, 2026-6pm CST Jan 29, 2026



