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.

Mostly Cloudy

23°F

-5°C

Humidity 86%
Wind Speed N 16 mph
Barometer 30.10 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 3 Dec 9:15 am CST
Extended Forecast for

Denison IA

  • Today

    Today: Partly sunny, with a temperature falling to around 9 by 5pm. Wind chill values as low as -5. Blustery, with a north wind 9 to 17 mph, with gusts as high as 24 mph.

    High: 29 °F⇓

    Mostly Cloudy
    and Blustery
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around -13. North wind 5 to 7 mph becoming calm in the evening.

    Low: -13 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 15. Wind chill values as low as -15. Light south southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 15 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a temperature rising to around 16 by 3am. Wind chill values as low as zero. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 13 °F⇑

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 30. West wind around 7 mph.

    High: 30 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 28.

    High: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 22.

    High: 22 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a temperature falling to around 9 by 5pm. Wind chill values as low as -5. Blustery, with a north wind 9 to 17 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around -13. North wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 15. Wind chill values as low as -15. Light south southwest wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
Partly cloudy, with a temperature rising to around 16 by 3am. Wind chill values as low as zero. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Friday
Mostly cloudy, with a high near 30. West wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 15.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 28.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 13.
Sunday
Mostly cloudy, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
Mostly cloudy, with a high near 29.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
6:42 am CST Dec 3, 2025
Forecast Valid:
9am CST Dec 3, 2025-6pm CST Dec 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation