National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

81°F

27°C

Humidity 34%
Wind Speed NE 5 mph
Barometer 30.20 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 5 Oct 12:55 pm CDT
Extended Forecast for

3 Miles E Knollwood TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. Northeast wind around 5 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Calm wind.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61. Calm wind.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Calm wind becoming east around 5 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.

    High: 83 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. Northeast wind around 5 mph.
Tonight
Clear, with a low around 58. Calm wind.
Tuesday
Sunny, with a high near 80. Calm wind.
Tuesday Night
Clear, with a low around 58. Calm wind.
Wednesday
Sunny, with a high near 81. Calm wind.
Wednesday Night
Clear, with a low around 61. Calm wind.
Thursday
Sunny, with a high near 82. Calm wind becoming east around 5 mph.
Thursday Night
Mostly clear, with a low around 63. Calm wind.
Friday
Sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Knollwood TX
 33.69°N 96.57°W (Elev. 755 ft)
Last Update:
1:26 pm CDT Oct 5, 2026
Forecast Valid:
1pm CDT Oct 5, 2026-6pm CDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation