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

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Partly Cloudy

30°F

-1°C

Humidity 93%
Wind Speed SW 8 mph
Barometer 30.21 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 11 Jan 10:55 pm CST
Extended Forecast for

Denison IA

  • Tonight

    Tonight: Increasing clouds, with a low around 25. Southwest wind 5 to 8 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 48. Calm wind becoming west southwest 5 to 7 mph in the morning.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Southwest wind 6 to 9 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 54 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Windy, with a northwest wind 15 to 21 mph, with gusts as high as 33 mph.

    Low: 25 °F

    Mostly Cloudy
    and Windy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. Windy.

    High: 32 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 25. Southwest wind 5 to 8 mph.
Monday
Sunny, with a high near 48. Calm wind becoming west southwest 5 to 7 mph in the morning.
Monday Night
Partly cloudy, with a low around 34. Southwest wind 6 to 9 mph.
Tuesday
Partly sunny, with a high near 54. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 25. Windy, with a northwest wind 15 to 21 mph, with gusts as high as 33 mph.
Wednesday
Mostly sunny, with a high near 32. Windy.
Wednesday Night
Mostly clear, with a low around 16.
Thursday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Friday Night
Mostly cloudy, with a low around 11.
Saturday
Partly sunny, with a high near 24.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
10:51 pm CST Jan 11, 2026
Forecast Valid:
11pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

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