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.

Overcast

23°F

-5°C

Humidity 86%
Wind Speed SE 3 mph
Barometer 30.34 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 4 Feb 1:35 am CST
Extended Forecast for

Denison IA

  • Overnight

    Overnight: A chance of flurries after 5am. Cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Chance
    Flurries

  • Wednesday

    Wednesday: A chance of flurries with a slight chance of snow before 10am, then a chance of flurries between 10am and 11am. Cloudy, then gradually becoming mostly sunny, with a high near 34. Light west northwest wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Light and variable wind becoming south southwest 6 to 11 mph after midnight. Winds could gust as high as 20 mph.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Southwest wind 7 to 13 mph becoming northwest in the morning. Winds could gust as high as 21 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. West wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 43. Breezy.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries after 5am. Cloudy, with a low around 20. Calm wind.
Wednesday
A chance of flurries with a slight chance of snow before 10am, then a chance of flurries between 10am and 11am. Cloudy, then gradually becoming mostly sunny, with a high near 34. Light west northwest wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 22. Light and variable wind becoming south southwest 6 to 11 mph after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 49. Southwest wind 7 to 13 mph becoming northwest in the morning. Winds could gust as high as 21 mph.
Thursday Night
Mostly clear, with a low around 33. West wind 6 to 14 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 43. Breezy.
Friday Night
Mostly clear, with a low around 21.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
10:36 pm CST Feb 3, 2026
Forecast Valid:
2am CST Feb 4, 2026-6pm CST Feb 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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