Preview of NWS' New Point Forecast Icons
Effective July 7, 2015, NWS will implement changes to the icons depicted on all of its Point Forecast pages. Highlights will include new icons with increased clarity, 6-hour increments for rapidly changing weather and new color blocks to highlight forecast hazards.

You may preview these updates in real time for this location. View additional details, and send any comments to icons@noaa.gov.

Please note the preview site is not operational, so performance may be slow during periods of peak access.

Severe weather possible in portions of the Central and Southern U.S on Monday

The NWS Storm Prediction Center expects severe weather to be on possible on Monday from the southern Great Lakes to portions of the Southwest U.S. The areas of greatest concern have been highlighted by the Storm Prediction Center as a slight risk area. The primary threat with these storms will be large hail and damaging winds.
Read More...

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Fair

65°F

18°C

Humidity 95%
Wind Speed S 8 mph
Barometer 30.03 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 4 May 5:55 am CDT

Extended Forecast

  • Today

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 81 °F

  • Tonight

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    Low: 60 °F

  • Tuesday

    Thunderstorms Likely Chance for Measurable Precipitation 60%

    Thunderstorms
    Likely

    High: 76 °F

  • Tuesday
    Night

    Thunderstorms Likely Chance for Measurable Precipitation 70%

    Thunderstorms
    Likely

    Low: 64 °F

  • Wednesday

    Chance Thunderstorms Chance for Measurable Precipitation 50%

    Chance
    Thunderstorms

    High: 78 °F

  • Wednesday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    Low: 65 °F

  • Thursday

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    High: 78 °F

  • Thursday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 30%

    Chance
    Thunderstorms

    Low: 67 °F

  • Friday

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 80 °F

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 60. South southeast wind 10 to 15 mph.
Tuesday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 76. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. Southeast wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 78. South southeast wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South southeast wind around 10 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
  Click Map For Forecast
Point Forecast:
Denison TX
 33.75°N 96.57°W (Elev. 748 ft)
3:33 am CDT May 4, 2015
7am CDT May 4, 2015-6pm CDT May 10, 2015
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database