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Severe Thunderstorm Threat Increasing This Week from the High Plains to Gulf Coast

A storm system will move from the Rockies to the East Coast during the next several days bringing a severe thunderstorm threat to many parts of the nation. On Thursday, large hail will be the main threat in the High Plains. By Friday a more widespread threat will develop in the ArkLaTex region where damaging winds, very large hail and tornadoes will be possible. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

66°F

19°C

Humidity 85%
Wind Speed E 9 mph
Barometer 30.08 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 22 Mar 9:15 pm CDT
Extended Forecast for

Denison TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. Southeast wind 10 to 15 mph.

    Mostly Cloudy

    Low: 61 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 81. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    Partly Sunny
    then Mostly
    Sunny and
    Windy

    High: 81 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am.  Increasing clouds, with a low around 61. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Partly Cloudy
    then Chance
    T-storms

    Low: 61 °F

  • Friday

    Friday: Showers and thunderstorms likely before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 74. South wind around 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%.

    T-storms
    Likely

    High: 74 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 54. West wind 10 to 20 mph, with gusts as high as 25 mph.

    Partly Cloudy

    Low: 54 °F

  • Saturday

    Saturday: Sunny, with a high near 73. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Sunny

    High: 73 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 51. West wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 51 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Sunny, with a high near 80. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Slight Chance
    T-storms

    High: 80 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely.  Mostly cloudy, with a low around 60. South wind around 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 60 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 61. Southeast wind 10 to 15 mph.
Thursday
Mostly sunny, with a high near 81. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 61. South southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Showers and thunderstorms likely before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 74. South wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Friday Night
Partly cloudy, with a low around 54. West wind 10 to 20 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 73. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 51. West wind around 5 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 80. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Click Map For Forecast
Point Forecast:
Denison TX
 33.75°N 96.57°W (Elev. 748 ft)
5:15 pm CDT Mar 22, 2017
9pm CDT Mar 22, 2017-6pm CDT Mar 29, 2017
 
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