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Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Partly Cloudy

66°F

19°C

Humidity 73%
Wind Speed S 15 G 23 mph
Barometer 29.86 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 5 Oct 8:55 am CDT
Extended Forecast for

Denison IA

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 82. Windy, with a south southwest wind 15 to 22 mph, with gusts as high as 34 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms and
    Windy

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Southwest wind 6 to 8 mph becoming north northeast after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 59. North northeast wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 43. Light north wind.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66. Calm wind becoming north northeast around 5 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 82. Windy, with a south southwest wind 15 to 22 mph, with gusts as high as 34 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. Southwest wind 6 to 8 mph becoming north northeast after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 59. North northeast wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy, with a low around 43. Light north wind.
Tuesday
Sunny, with a high near 66. Calm wind becoming north northeast around 5 mph.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 68.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42°N 95.35°W
Last Update:
6:20 am CDT Oct 5, 2025
Forecast Valid:
9am CDT Oct 5, 2025-6pm CDT Oct 11, 2025
 
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Additional Resources

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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