Scattered Severe Storms Possible in Central U.S.; Flood Watch in the Sierra Nevada

Scattered severe thunderstorms capable of gusty winds, hail, and flash flooding will be possible across the Plains through Tuesday. Elsewhere, a flash flood watch is in effect for the Sierra Nevada, where thunderstorms with frequent lightning may also occur. Heavy rain in parts of southern Texas may produce localized flooding, while areas of rain will also linger in the Mid Atlantic. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

84°F

29°C

Humidity 51%
Wind Speed SW 20 G 25 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 3.00 mi
Heat Index85°F (29°C)
Last update 29 May 1:50 pm CDT
Extended Forecast for

Sherman TX

  • Memorial
    Day

    Memorial Day: A 30 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86. Southeast wind 5 to 10 mph.

    Chance
    T-storms

    High: 86 °F

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm.  Partly cloudy, with a low around 66. South southeast wind around 5 mph.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 66 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 87. Southeast wind 5 to 10 mph.

    Slight Chance
    T-storms

    High: 87 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 66. South southeast wind 5 to 10 mph.

    Mostly Clear

    Low: 66 °F

  • Wednesday

    Wednesday: Sunny, with a high near 88. South southeast wind 5 to 10 mph.

    Sunny

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 68. Southeast wind 5 to 10 mph.

    Mostly Clear

    Low: 68 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 88. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Mostly Sunny

    High: 88 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 69. Southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 69 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 89. South southeast wind 5 to 10 mph.

    Chance
    T-storms

    High: 89 °F

Detailed Forecast

Memorial Day
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 5 to 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 66. South southeast wind around 5 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 87. Southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 66. South southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 88. South southeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 68. Southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 88. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 69. Southeast wind 5 to 10 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. South southeast wind 5 to 10 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
Sherman TX
 33.64°N 96.6°W (Elev. 732 ft)
2:13 pm CDT May 29, 2023
2pm CDT May 29, 2023-6pm CDT Jun 4, 2023
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database