Thunderstorms in Florida and Central U.S.; Fire Weather Threats in North Plains

Strong to severe storms may linger in Florida as a slow moving cold front continues east. A weather system in the Central U.S. may produce strong thunderstorms in the Middle Mississippi Valley. A Canadian cold front will produce gusty winds and critical fire weather threats in the North Plains. Fire weather threats are also elevated in Guam. Heavy rain could cause flash flooding in Hawaii. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

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

Clear

79°F

26°C

Humidity	42%
Wind Speed	NW 7 mph
Barometer	30.21 in
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	6 May 3:55 pm CDT

More Information:

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

Detailed forecast for

Grayson County

Tonight

Clear. Lows in the mid 50s. Northeast winds around 5 mph, becoming east after midnight.

Friday

Sunny. Highs around 80. Southeast winds 5 to 10 mph, becoming south 10 to 15 mph in the afternoon.

Friday Night

Partly cloudy. Lows in the lower 60s. South winds 10 to 15 mph.

Saturday

Mostly sunny. Highs in the lower 80s. South winds 10 to 20 mph, becoming 15 to 20 mph with gusts up to 30 mph in the afternoon.

Saturday Night

Partly cloudy. A 20 percent chance of showers and thunderstorms after midnight. Lows around 70. South winds 15 to 20 mph with gusts up to 30 mph.

Sunday

Partly sunny with a slight chance of showers and thunderstorms in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.

Sunday Night

Mostly clear with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Cooler with lows in the upper 50s. Chance of rain 30 percent.

Monday

Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Cooler with highs in the upper 60s. Chance of rain 30 percent.

Monday Night

Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the upper 50s.

Tuesday

Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 60s. Chance of rain 60 percent.

Tuesday Night

Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the mid 50s.

Wednesday

Partly sunny with a 30 percent chance of showers and thunderstorms. Highs in the upper 60s.

Wednesday Night

Partly cloudy in the evening, then clearing. Lows in the lower 50s.

Thursday

Sunny. Highs in the lower 70s.