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.

Fair

-2°F

-19°C

Humidity 100%
Wind Speed Calm
Barometer 30.64 in
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Last update 23 Feb 8:35 am CST
Extended Forecast for

3 Miles SW Denison IA

  • Today

    Today: Sunny, with a high near 24. Wind chill values as low as zero. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 24 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 22 by 4am. Wind chill values as low as zero. South wind 8 to 15 mph, with gusts as high as 24 mph.

    Low: 16 °F⇑

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 46. South southwest wind 11 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 46 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Northwest wind 5 to 10 mph becoming light north northwest after midnight.

    Low: 20 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A 40 percent chance of snow after noon. Partly sunny, with a high near 38. Calm wind becoming south southeast 5 to 9 mph in the morning. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Partly Sunny
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 21 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday

    Thursday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 24. Wind chill values as low as zero. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tonight
Partly cloudy, with a temperature rising to around 22 by 4am. Wind chill values as low as zero. South wind 8 to 15 mph, with gusts as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 46. South southwest wind 11 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Northwest wind 5 to 10 mph becoming light north northwest after midnight.
Wednesday
A 40 percent chance of snow after noon. Partly sunny, with a high near 38. Calm wind becoming south southeast 5 to 9 mph in the morning. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Mostly cloudy, with a low around 14.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Denison IA
 41.98°N 95.38°W
Last Update:
6:36 am CST Feb 23, 2026
Forecast Valid:
8am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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