Dangerous heat and humidity from the central U.S. to East Coast

Hot and very humid conditions will continue to produce heat index values over 100 degrees across a large portion of the central and eastern U.S. Heat Advisories and Excessive Heat Warnings continue for the Plains, Mississippi Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

83°F

28°C

Humidity 70%
Wind Speed SE 8 mph
Barometer 29.95 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 25 Jul 2:55 am CDT
Extended Forecast for

Willis OK

  • Overnight

    Overnight: Partly cloudy, with a low around 79. South southeast wind around 6 mph.

    Partly Cloudy

    Low: 79 °F

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms, mainly after 1pm.  Partly sunny, with a high near 94. Heat index values as high as 99. Calm wind becoming east 5 to 8 mph in the afternoon.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 94 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 76. East southeast wind 5 to 7 mph becoming calm  after midnight.

    Slight Chance
    T-storms

    Low: 76 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 95. Heat index values as high as 99. Calm wind becoming east southeast 5 to 7 mph in the morning.

    Slight Chance
    T-storms

    High: 95 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 75. East southeast wind 3 to 7 mph.

    Partly Cloudy

    Low: 75 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms.  Mostly sunny, with a high near 94.

    Slight Chance
    T-storms

    High: 94 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 76.

    Slight Chance
    T-storms

    Low: 76 °F

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92.

    Chance
    T-storms

    High: 92 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 76.

    Chance
    T-storms

    Low: 76 °F

Detailed Forecast

Overnight
Partly cloudy, with a low around 79. South southeast wind around 6 mph.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 94. Heat index values as high as 99. Calm wind becoming east 5 to 8 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. East southeast wind 5 to 7 mph becoming calm after midnight.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 95. Heat index values as high as 99. Calm wind becoming east southeast 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 75. East southeast wind 3 to 7 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 77.
Sunday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 95.
Click Map For Forecast
Point Forecast:
Willis OK
 33.91°N 96.82°W
11:46 pm CDT Jul 24, 2016
3am CDT Jul 25, 2016-6pm CDT Jul 31, 2016
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database