National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorm and Flash Flooding Risks from Southern Plains to Midwest; Heat Wave Developing in the Southeast

Severe thunderstorms and flash flooding will again be possible from the Southern Plains into the Midwest on Friday. Periodic risks of severe thunderstorms, along with flash flooding, are forecast from the Central and Southern Plains to the Great Lakes and Northeast into the Memorial Day weekend. Temperatures across much of the East will run above normal where they will hold into Memorial Day. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

79°F

26°C

Humidity 74%
Wind Speed SE 14 G 20 mph
Barometer 29.96 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 23 May 10:15 pm CDT
Extended Forecast for

Sherman TXSimilar City Names

  • Tonight

    Tonight: Increasing clouds, with a low around 73. South southeast wind around 15 mph, with gusts as high as 20 mph.

    Increasing
    Clouds

    Low: 73 °F

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Decreasing
    Clouds

    High: 86 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Partly Cloudy

    Low: 70 °F

  • Saturday

    Saturday: Partly sunny, with a high near 86. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Partly Sunny

    High: 86 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 70. South southeast wind 10 to 15 mph.

    Partly Cloudy

    Low: 70 °F

  • Sunday

    Sunday: Partly sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Partly Sunny

    High: 87 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 70. South southeast wind 10 to 15 mph.

    Mostly Cloudy

    Low: 70 °F

  • Memorial
    Day

    Memorial Day: Partly sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Partly Sunny

    High: 88 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 72. South wind around 15 mph, with gusts as high as 20 mph.

    Partly Cloudy

    Low: 72 °F

Detailed Forecast

Tonight
Increasing clouds, with a low around 73. South southeast wind around 15 mph, with gusts as high as 20 mph.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 86. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 70. South southeast wind 10 to 15 mph.
Sunday
Partly sunny, with a high near 87. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 70. South southeast wind 10 to 15 mph.
Memorial Day
Partly sunny, with a high near 88. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 72. South wind around 15 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Click Map For Forecast
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Map Legend
Point Forecast:
Sherman TXSimilar City Names
 33.62°N 96.6°W (Elev. 699 ft)
Last Update:
3:17 pm CDT May 23, 2019
Forecast Valid:
10pm CDT May 23, 2019-6pm CDT May 30, 2019
 
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