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

Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Friday

Heavy to excessive rainfall is forecast for eastern Louisiana into central Alabama which could bring flash, urban, and riverine flooding Friday. Scattered severe thunderstorms with a few tornadoes, very large hail, and damaging winds are possible across parts of the Gulf Coast States Friday and Friday night. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

66°F

19°C

Humidity 94%
Wind Speed SW 5 mph
Barometer 29.83 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 17 May 8:50 am CDT
Extended Forecast for

Sherman TX

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before 1pm. Otherwise, partly sunny, with a high near 80. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Chance
    T-storms and
    Patchy Fog

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 1am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, sunny, with a high near 88. Calm wind becoming south southwest around 5 mph.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 67. Calm wind becoming southeast around 5 mph.

    Low: 67 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 90. South southeast wind 5 to 10 mph.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Partly Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 1pm. Patchy fog before 1pm. Otherwise, partly sunny, with a high near 80. Calm wind becoming north northwest around 5 mph in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 1am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 63. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 88. Calm wind becoming south southwest around 5 mph.
Saturday Night
Clear, with a low around 67. Calm wind becoming southeast around 5 mph.
Sunday
Sunny, with a high near 90. South southeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 71. South southeast wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 75. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Sherman TX
 33.64°N 96.6°W (Elev. 732 ft)
Last Update:
4:38 am CDT May 17, 2024
Forecast Valid:
9am CDT May 17, 2024-6pm CDT May 23, 2024
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation