Heavy to Excessive Rainfall for Southern Florida; Excessive Heat Returns to the Southwest

Heavy to excessive rainfall may bring areas of flooding beginning Tuesday and likely continuing into this weekend over the southern Florida Peninsula. Dangerously hot temperatures will return to the southwestern U.S. and central valley of California Tuesday through Wednesday then spread across the southern & eastern U.S. the second half of the week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

75°F

24°C

Humidity	91%
Wind Speed	NE 7 mph
Barometer	29.91 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	10 Jun 1:55 am CDT

More Information:

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

Extended Forecast for

2 Miles ENE Knollwood TX

Overnight
Low: 75 °F
Chance
T-storms
Monday
High: 82 °F
Chance
T-storms
Monday Night
Low: 65 °F
Partly Cloudy
Tuesday
High: 83 °F
Slight Chance
Showers then
Slight Chance
T-storms
Tuesday Night
Low: 67 °F
Partly Cloudy
then Slight
Chance
T-storms
Wednesday
High: 87 °F
Slight Chance
T-storms then
Slight Chance
Showers
Wednesday Night
Low: 68 °F
Mostly Clear
Thursday
High: 92 °F
Sunny
Thursday Night
Low: 70 °F
Clear

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 75. Northeast wind around 5 mph.

Monday

A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a high near 82. East northeast wind 5 to 10 mph.

Monday Night

Partly cloudy, with a low around 65. East northeast wind around 5 mph becoming calm in the evening.

Tuesday

A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Southeast wind around 5 mph. Chance of precipitation is 20%.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. East southeast wind around 5 mph becoming calm in the evening.

Wednesday

A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Sunny, with a high near 87. South southeast wind around 5 mph. Chance of precipitation is 20%.

Wednesday Night

Mostly clear, with a low around 68. Southeast wind around 5 mph becoming calm in the evening.

Thursday

Sunny, with a high near 92. Calm wind becoming south around 5 mph in the morning.

Thursday Night

Clear, with a low around 70. South southeast wind around 5 mph becoming calm in the evening.

Friday

Sunny, with a high near 93.

Friday Night

Mostly clear, with a low around 71.

Saturday

Sunny, with a high near 94.