Flash Flood Threat Shifts to Florida; Snowy in the Northern Plains; Fire Danger in the West

Showers and thunderstorms may produce flash flooding in northern and central Florida into Tuesday; and gusty winds and hail are also possible across the area Sunday. A strong cold front will bring below average temperatures and wintry precipitation to the northern High Plains. Elevated fire weather conditions are expected across parts of the Northwest and southern California. Read More >

Current conditions at

Sherman/Denison, Grayson County Airport (KGYI)

Lat: 33.72°NLon: 96.67°WElev: 748ft.

Clear

39°F

4°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 30.17 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Apr 6:50 am CDT
Extended Forecast for

Denison TX

  • Today

    Today: Mostly sunny, with a high near 67. North northwest wind 5 to 10 mph.

    Mostly Sunny

    High: 67 °F

  • Tonight

    Tonight: Mostly clear, with a low around 43. North wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 43 °F

  • Monday

    Monday: Sunny, with a high near 73. South southwest wind 5 to 10 mph.

    Sunny

    High: 73 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 49. South wind around 10 mph.

    Mostly Clear

    Low: 49 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64. South southwest wind 10 to 15 mph becoming north northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    Mostly Sunny

    High: 64 °F

  • Tuesday
    Night

    Tuesday Night: Patchy frost after 4am.  Otherwise, mostly clear, with a low around 36. North wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph.

    Mostly Clear
    then Patchy
    Frost

    Low: 36 °F

  • Wednesday

    Wednesday: Patchy frost before 8am.  Otherwise, sunny, with a high near 62. Northeast wind around 10 mph.

    Patchy Frost
    then Sunny

    High: 62 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 45. East northeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 45 °F

  • Thursday

    Thursday: Partly sunny, with a high near 67. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Partly Sunny

    High: 67 °F

Detailed Forecast

Today
Mostly sunny, with a high near 67. North northwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 43. North wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 73. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 49. South wind around 10 mph.
Tuesday
Mostly sunny, with a high near 64. South southwest wind 10 to 15 mph becoming north northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 36. North wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
Patchy frost before 8am. Otherwise, sunny, with a high near 62. Northeast wind around 10 mph.
Wednesday Night
Partly cloudy, with a low around 45. East northeast wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 67. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 73.
Click Map For Forecast
Point Forecast:
Denison TX
 33.75°N 96.55°W (Elev. 758 ft)
5:23 am CDT Apr 18, 2021
7am CDT Apr 18, 2021-6pm CDT Apr 24, 2021
 
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Additional Resources

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Hourly Weather Forecast

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