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Very Heavy Rainfall and High Risk Flood Event in the South-Central U.S.

Thunderstorms, some severe, will continue to produce tremendously heavy rainfall over the same areas through the day today. The area with the greatest potential for excessive rainfall includes Oklahoma, Arkansas, and Missouri. Very heavy rains will extend broadly from the Southern Plains to the Upper Midwest. Life threatening flash flooding is expected with these storms. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Thunderstorm in Vicinity and Breezy

53°F

12°C

Humidity 94%
Wind Speed W 21 G 26 mph
Barometer 29.67 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 29 Apr 9:15 pm CDT
Extended Forecast for

Denison TX

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Some of the storms could be severe.  Cloudy, with a low around 49. West southwest wind 10 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Severe
    Thunderstorms

    Low: 49 °F

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 62. Windy, with a west wind 15 to 25 mph, with gusts as high as 30 mph.

    Mostly Cloudy
    then Mostly
    Sunny and
    Windy

    High: 62 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 45. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Mostly Clear

    Low: 45 °F

  • Monday

    Monday: Sunny, with a high near 76. South southwest wind 5 to 10 mph.

    Sunny

    High: 76 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 56. East southeast wind around 5 mph.

    Mostly Clear

    Low: 56 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Mostly Sunny

    High: 81 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 63. South southeast wind around 10 mph.

    Chance
    T-storms

    Low: 63 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 74. South wind 10 to 15 mph becoming northwest in the afternoon.

    Chance
    T-storms

    High: 74 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 51. North northwest wind 10 to 15 mph.

    Slight Chance
    T-storms

    Low: 51 °F

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 1am. Some of the storms could be severe. Cloudy, with a low around 49. West southwest wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 62. Windy, with a west wind 15 to 25 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 45. West southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 76. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 56. East southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 81. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. South southeast wind around 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74. South wind 10 to 15 mph becoming northwest in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51. North northwest wind 10 to 15 mph.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
Denison TX
 33.75°N 96.57°W (Elev. 748 ft)
8:42 pm CDT Apr 29, 2017
9pm CDT Apr 29, 2017-6pm CDT May 6, 2017
 
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