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Severe Thunderstorms over the Plains, Heavy Rain Threat Continues over Portions of the Mississippi Valley

Heavy rainfall with localized flooding will remain possible over portions of the Mississippi Valley and the Plains through midweek. In addition, severe thunderstorms will be possible over the southern and central Plains. Some of the storms could contain damaging winds and large hail. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

85°F

29°C

Humidity 77%
Wind Speed SE 7 mph
Barometer 30.03 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 17 Aug 2:35 pm CDT
Extended Forecast for

Sherman TX

  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92. Heat index values as high as 103. South southwest wind around 5 mph.

    Slight Chance
    T-storms

    High: 92 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 74. Southeast wind around 5 mph.

    Partly Cloudy
    then Slight
    Chance
    T-storms

    Low: 74 °F

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 95. Heat index values as high as 105. South southwest wind 5 to 10 mph.

    Chance
    T-storms

    High: 95 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    Low: 75 °F

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 95. South southwest wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 95 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 75 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 94. South wind 5 to 10 mph.

    Mostly Sunny

    High: 94 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 76 °F

  • Monday

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

    Sunny

    High: 95 °F

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 103. South southwest wind around 5 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Southeast wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 105. South southwest wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 95. South southwest wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 75. South southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 94. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 95. South southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Mostly sunny, with a high near 94.
Click Map For Forecast
Point Forecast:
Sherman TX
 33.64°N 96.6°W (Elev. 732 ft)
2:04 pm CDT Aug 17, 2017
2pm CDT Aug 17, 2017-6pm CDT Aug 23, 2017
 
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