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.

Fair

30°F

-1°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 29.80 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 27 Feb 4:35 am CST
Extended Forecast for

Denison IA

  • Today

    Today: Sunny, with a high near 62. Breezy, with a southwest wind 5 to 10 mph becoming west northwest 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 62 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Northwest wind 6 to 9 mph becoming east northeast after midnight.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. East northeast wind 9 to 13 mph, with gusts as high as 20 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 15. Wind chill values as low as 5. Northeast wind 6 to 9 mph.

    Low: 15 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 50 percent chance of snow. Cloudy, with a high near 30. East wind 7 to 10 mph. New snow accumulation of around an inch possible.

    High: 30 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain before midnight, then a chance of rain or freezing rain. Cloudy, with a low around 28. Chance of precipitation is 50%.

    Low: 28 °F

    Chance Rain
    then Chance
    Rain/Freezing
    Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon. Cloudy, with a high near 43.

    High: 43 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Today
Sunny, with a high near 62. Breezy, with a southwest wind 5 to 10 mph becoming west northwest 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Partly cloudy, with a low around 24. Northwest wind 6 to 9 mph becoming east northeast after midnight.
Saturday
Mostly sunny, with a high near 39. East northeast wind 9 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Increasing clouds, with a low around 15. Wind chill values as low as 5. Northeast wind 6 to 9 mph.
Sunday
A 50 percent chance of snow. Cloudy, with a high near 30. East wind 7 to 10 mph. New snow accumulation of around an inch possible.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 19.
Monday
Mostly cloudy, with a high near 40.
Monday Night
A chance of rain before midnight, then a chance of rain or freezing rain. Cloudy, with a low around 28. Chance of precipitation is 50%.
Tuesday
A 30 percent chance of rain before noon. Cloudy, with a high near 43.
Tuesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 29.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 45.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
4:44 am CST Feb 27, 2026
Forecast Valid:
4am CST Feb 27, 2026-6pm CST Mar 5, 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