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Hazardous Weather Conditions

Flood Watch in effect from September 30, 04:00 PM CDT until October 2, 07:00 AM CDT

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72° N Lon: 96.67° W Elev: 748 ft.

Overcast

86°F

30°C

Humidity	62%
Wind Speed	S 20 mph
Barometer	29.84 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	30 Sep 11:50 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Detailed forecast for

Grayson County

Today

Cloudy. A 50 percent chance of showers and thunderstorms this afternoon. Heavy rainfall possible this afternoon. Highs in the lower 90s. South winds 10 to 15 mph.

Tonight

Showers and thunderstorms likely in the evening, then showers with a chance of thunderstorms after midnight. Heavy rainfall possible in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the lower 70s. South winds 10 to 15 mph. Chance of rain near 100 percent.

Thursday

Showers. A chance of thunderstorms in the morning, then a slight chance of thunderstorms in the afternoon. Heavy rainfall possible in the morning. Some thunderstorms may produce heavy rainfall in the afternoon. Highs in the lower 80s. South winds 5 to 10 mph. Chance of rain near 100 percent.

Thursday Night

Mostly cloudy with showers likely. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Heavy rainfall possible in the evening. Some thunderstorms may produce heavy rainfall after midnight. Lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 70 percent.

Friday

Mostly cloudy. Showers likely in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs around 80. Northeast winds 5 to 10 mph. Chance of rain 70 percent.

Friday Night

Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 60 percent.

Saturday

Mostly cloudy with showers likely. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.

Saturday Night

Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent.

Sunday

Mostly cloudy in the morning, then becoming mostly sunny. A 30 percent chance of showers. Highs around 80.

Sunday Night

Mostly clear. Lows in the lower 60s.

Monday

Sunny. Highs in the upper 70s.

Monday Night

Mostly clear. Lows in the upper 50s.