Active Weather Pattern Expected From the Midwest to the Southern Plains; Dangerous Heat Likely in Southern Texas

A strong storm system will bring numerous to widespread severe thunderstorms across portions of the Midwest and Upper Great Lakes Tuesday. Tornadoes (a few strong), damaging winds and large hail are expected. Record high temperatures will be possible over southern Texas the next several days. This may lead to dangerous heat concerns especially for areas already without power. 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.

Mostly Cloudy with Haze and Breezy

84°F

29°C

Humidity	62%
Wind Speed	S 23 G 30 mph
Barometer	29.79 in
Dewpoint	70°F (21°C)
Visibility	5.00 mi
Heat Index	88°F (31°C)
Last update	21 May 11:50 am CDT

More Information:

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

Extended Forecast for

Luella TX

This Afternoon
High: 89 °F
Slight Chance
T-storms
Tonight
Low: 74 °F
Slight Chance
T-storms
Wednesday
High: 87 °F
Chance
T-storms then
T-storms
Likely
Wednesday Night
Low: 69 °F
Heavy Rain
Thursday
High: 84 °F
Slight Chance
T-storms then
T-storms
Likely
Thursday Night
Low: 72 °F
Chance
T-storms
Friday
High: 92 °F
Mostly Sunny
Friday Night
Low: 72 °F
Slight Chance
T-storms
Saturday
High: 91 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. Heat index values as high as 98. South southwest wind 15 to 20 mph, with gusts as high as 25 mph.

Tonight

A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 74. South wind around 10 mph, with gusts as high as 20 mph.

Wednesday

Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 69. South wind 5 to 10 mph becoming east in the evening. Chance of precipitation is 60%.

Thursday

Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 84. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Thursday Night

A 50 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South wind 10 to 15 mph, with gusts as high as 20 mph.

Friday

Mostly sunny, with a high near 92. South southwest wind around 15 mph, with gusts as high as 25 mph.

Friday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 72. South wind around 10 mph.

Saturday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 20 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 74.

Sunday

Sunny, with a high near 93.

Sunday Night

Mostly clear, with a low around 70.