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

34°F

1°C

Humidity 56%
Wind Speed E 18 G 26 mph
Barometer 30.17 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 28 Feb 1:15 pm CST
Extended Forecast for

Denison IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 44. Northeast wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 16. Wind chill values as low as 10. Northeast wind 6 to 8 mph.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 32. Wind chill values as low as 5. East wind 7 to 9 mph.

    High: 32 °F

    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. Southeast wind around 6 mph.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of rain after noon. Cloudy, with a high near 42. South southeast wind 6 to 10 mph.

    High: 42 °F

    Cloudy then
    Slight Chance
    Rain

  • Monday Night

    Monday Night: Rain likely. Cloudy, with a low around 31. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Rain Likely

  • Tuesday

    Tuesday: A 20 percent chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain. Partly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain. Mostly sunny, with a high near 51.

    High: 51 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 44. Northeast wind 8 to 11 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 16. Wind chill values as low as 10. Northeast wind 6 to 8 mph.
Sunday
Cloudy, with a high near 32. Wind chill values as low as 5. East wind 7 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 22. Southeast wind around 6 mph.
Monday
A 20 percent chance of rain after noon. Cloudy, with a high near 42. South southeast wind 6 to 10 mph.
Monday Night
Rain likely. Cloudy, with a low around 31. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 20 percent chance of rain. Mostly cloudy, with a high near 49.
Tuesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 33.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 39.
Friday
A 50 percent chance of rain. Mostly sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
12:26 pm CST Feb 28, 2026
Forecast Valid:
1pm CST Feb 28, 2026-6pm CST Mar 6, 2026
 
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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