Severe Thunderstorm and Flash Flood Threat in the East; Snow in the Rockies;

The storm system producing severe weather and isolated flash flooding will begin to weaken tonight. As the storm moves east, several chances for severe weather and heavy rain are possible from the Midwest and Ohio Valley to the Southern Plains, Lower Mississippi and Tennessee valley. Heavy snow continue to impact the Northern Rockies. Critical fire weather conditions persist in the Southern Plains Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

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

Fair

93°F

34°C

Humidity 41%
Wind Speed SW 9 G 16 mph
Barometer 29.55 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 8 May 4:50 pm CDT
Detailed forecast for

Grayson County

Tonight
Mostly clear. A 20 percent chance of thunderstorms this evening. Some thunderstorms may be severe. Lows in the mid 60s. North winds 5 to 10 mph, becoming northeast after midnight.
Thursday
Partly sunny. A 40 percent chance of showers and thunderstorms in the afternoon. Not as warm with highs around 80. Northeast winds 5 to 10 mph.
Thursday Night
Mostly cloudy with a 20 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 60. Northeast winds 10 to 15 mph.
Friday
Mostly sunny. Highs in the upper 70s. Northeast winds around 10 mph.
Friday Night
Partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.
Saturday
Mostly sunny. Highs in the upper 70s.
Saturday Night
Mostly cloudy. A 20 percent chance of showers and thunderstorms after midnight. Lows around 60.
Sunday
Partly sunny with a chance of showers with a slight chance of thunderstorms in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 40 percent.
Sunday Night
Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 60s. Chance of rain 60 percent.
Monday
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers and thunderstorms. Highs in the upper 70s.
Monday Night
Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of showers and thunderstorms. Lows in the lower 60s.
Tuesday
Mostly sunny with a 30 percent chance of showers and thunderstorms. Highs in the lower 80s.
Tuesday Night
Mostly clear in the evening, then becoming partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the mid 60s.
Wednesday
Mostly sunny with a 20 percent chance of showers and thunderstorms. Highs in the mid 80s.



Click Map For Forecast
335 PM CDT Wed May 8 2024
 
 

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