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Sprawling Storm System Bringing Impactful Weather To Western and Central U.S. Through Midweek

A large storm system will extend from the West Coast to the Great Lakes during the next couple days bringing hazardous weather to many parts of the country. Heavy snow is expected in the higher terrain of the West, along with very strong winds. Snow and ice will disrupt travel in parts of the Midwest, and heavy rain could cause widespread flooding in the Mississippi Valley and Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Overcast

64°F

18°C

Humidity 89%
Wind Speed S 18 G 22 mph
Barometer 29.83 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Feb 6:15 am CST
Extended Forecast for

Denison TX

  • Washington's
    Birthday

    Washington's Birthday: Showers and thunderstorms likely, mainly after noon.  Cloudy, with a high near 72. Windy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely and
    Windy

    High: 72 °F

  • Tonight

    Tonight: Showers and thunderstorms.  Low around 63. South wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms

    Low: 63 °F

  • Tuesday

    Tuesday: Showers and thunderstorms. Some of the storms could produce heavy rain.  High near 71. South wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    High: 71 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 38. Light and variable wind becoming north 10 to 15 mph after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 70%.

    Showers
    Likely

    Low: 38 °F

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Cloudy, with a high near 43. North wind 10 to 20 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    High: 43 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers.  Cloudy, with a low around 38. North wind around 10 mph.

    Slight Chance
    Showers

    Low: 38 °F

  • Thursday

    Thursday: Showers likely, mainly after noon.  Cloudy, with a high near 52. Northeast wind around 5 mph.  Chance of precipitation is 60%.

    Slight Chance
    Showers then
    Showers
    Likely

    High: 52 °F

  • Thursday
    Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 47. East northeast wind around 5 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    Low: 47 °F

  • Friday

    Friday: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 60. North wind 5 to 10 mph becoming south in the afternoon.  Chance of precipitation is 70%.

    Showers
    Likely

    High: 60 °F

Detailed Forecast

Washington's Birthday
Showers and thunderstorms likely, mainly after noon. Cloudy, with a high near 72. Windy, with a south wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms. Low around 63. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and thunderstorms. Some of the storms could produce heavy rain. High near 71. South wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 38. Light and variable wind becoming north 10 to 15 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, with a high near 43. North wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of showers. Cloudy, with a low around 38. North wind around 10 mph.
Thursday
Showers likely, mainly after noon. Cloudy, with a high near 52. Northeast wind around 5 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 47. East northeast wind around 5 mph. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 60. North wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 52.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 66.
Click Map For Forecast
Point Forecast:
Denison TX
 33.75°N 96.55°W (Elev. 758 ft)
4:16 am CST Feb 19, 2018
6am CST Feb 19, 2018-6pm CST Feb 25, 2018
 
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