Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Overcast

74°F

23°C

Humidity	80%
Wind Speed	S 13 mph
Barometer	30.04 in
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	19 Nov 11:55 pm CST

More Information:

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

Extended Forecast for

4 Miles WNW Southmayd TX

Overnight
Low: 70 °F
Showers
Likely
Thursday
High: 74 °F
Showers
Thursday Night
Low: 60 °F
Showers then
Chance
Showers
Friday
High: 74 °F
Slight Chance
Showers then
Sunny
Friday Night
Low: 49 °F
Mostly Clear
Saturday
High: 68 °F
Mostly Sunny
Saturday Night
Low: 50 °F
Partly Cloudy
then Chance
T-storms
Sunday
High: 68 °F
Chance
T-storms then
Showers
Likely
Sunday Night
Low: 54 °F
Heavy Rain

Detailed Forecast

Overnight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Cloudy, with a steady temperature around 70. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and possibly a thunderstorm. High near 74. South wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm before midnight, then a chance of showers. Low around 60. South southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A 20 percent chance of showers before noon. Partly sunny, then gradually becoming sunny, with a high near 74. West southwest wind 5 to 10 mph.

Friday Night

Mostly clear, with a low around 49. West southwest wind around 5 mph becoming north northwest after midnight.

Saturday

Mostly sunny, with a high near 68. North wind around 5 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 50. Calm wind becoming east northeast around 5 mph.

Sunday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 68. East wind around 5 mph. Chance of precipitation is 60%.

Sunday Night

Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 54. South southeast wind 5 to 10 mph. Chance of precipitation is 80%.

Monday

Showers likely, mainly before noon. Partly sunny, with a high near 67. Chance of precipitation is 70%.

Monday Night

A 20 percent chance of showers. Mostly clear, with a low around 47.

Tuesday

Sunny, with a high near 67.

Tuesday Night

Mostly clear, with a low around 44.

Wednesday

Mostly sunny, with a high near 59.