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Severe Thunderstorms And Heavy Rain Over Portions Of Plains, Mid Atlantic On Friday

Scattered strong-to-severe thunderstorms are possible from the Mid-Missouri Valley into the central Plains on Friday. Also, a few strong-to-severe storms are possible from the Mid-Atlantic into Upstate New York and western New England. Storms in these areas will also be capable of producing torrential rainfall that could lead to isolated flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Partly Cloudy

83°F

28°C

Humidity 71%
Wind Speed S 3 mph
Barometer 30.06 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 18 Aug 11:35 am CDT
Extended Forecast for

Knollwood TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 94. Heat index values as high as 102. South southwest wind around 5 mph.

    Slight Chance
    T-storms

    High: 94 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 75. South southeast wind around 5 mph.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 75 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 95. Heat index values as high as 103. South southwest wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 95 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 76 °F

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 94. South wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 94 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.

    Mostly Clear

    Low: 75 °F

  • Monday

    Monday: Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph.

    Mostly Sunny

    High: 95 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Mostly Clear

    Low: 75 °F

  • Tuesday

    Tuesday: Sunny, with a high near 94. South wind 5 to 10 mph.

    Sunny

    High: 94 °F

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 102. South southwest wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. South southeast wind around 5 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Heat index values as high as 103. South southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 94. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Wednesday Night
Mostly cloudy, with a low around 74.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Click Map For Forecast
Point Forecast:
Knollwood TX
 33.66°N 96.6°W (Elev. 797 ft)
9:26 am CDT Aug 18, 2017
11am CDT Aug 18, 2017-6pm CDT Aug 24, 2017
 
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