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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Mostly Cloudy

50°F

10°C

Humidity 67%
Wind Speed N 20 mph
Barometer 30.12 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 7 Dec 1:50 pm CST
Extended Forecast for

Sherman TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 50. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. North wind 5 to 10 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 50. North wind around 5 mph becoming calm in the morning.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. Calm wind becoming south southwest around 5 mph after midnight.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 61. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 61 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. South southwest wind 5 to 10 mph.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. South southwest wind around 5 mph becoming north northeast in the afternoon.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. Northeast wind around 5 mph becoming calm.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64. South wind around 5 mph becoming north northwest in the afternoon.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 50. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 30. North wind 5 to 10 mph.
Monday
Sunny, with a high near 50. North wind around 5 mph becoming calm in the morning.
Monday Night
Mostly clear, with a low around 36. Calm wind becoming south southwest around 5 mph after midnight.
Tuesday
Sunny, with a high near 61. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 44. South southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 63. South southwest wind around 5 mph becoming north northeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 40. Northeast wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 64. South wind around 5 mph becoming north northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 36.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sherman TX
 33.64°N 96.6°W (Elev. 732 ft)
Last Update:
11:21 am CST Dec 7, 2025
Forecast Valid:
2pm CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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