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

Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Overcast

64°F

18°C

Humidity 78%
Wind Speed W 5 mph
Barometer 29.70 in
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 15 Apr 7:55 pm CDT
Extended Forecast for

Denison IA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Some of the storms could be severe. Mostly clear, with a low around 46. North northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 46 °F

    Severe
    Thunderstorms
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Light south wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 56. South wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 56 °F

    Increasing
    Clouds

  • Friday

    Friday: A 50 percent chance of showers. Partly sunny, with a high near 72. Breezy, with a south wind 14 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 72 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 32. Breezy, with a north northwest wind 14 to 18 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance
    Showers and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 51. Breezy.

    High: 51 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Some of the storms could be severe. Mostly clear, with a low around 46. North northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 80. Light south wind becoming south southwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Increasing clouds, with a low around 56. South wind 10 to 14 mph, with gusts as high as 24 mph.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 72. Breezy, with a south wind 14 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 32. Breezy, with a north northwest wind 14 to 18 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 51. Breezy.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 61.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 73. Breezy.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
5:36 pm CDT Apr 15, 2026
Forecast Valid:
8pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation