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.

Partly Cloudy

28°F

-2°C

Humidity 100%
Wind Speed N 5 mph
Barometer 30.36 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 23 Mar 12:15 am CDT
Extended Forecast for

Denison IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 31. North wind around 5 mph becoming calm.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 53. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 53 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 20 percent chance of rain before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 35. South wind around 8 mph.

    Low: 35 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 62. South wind 7 to 10 mph.

    High: 62 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. South southeast wind around 6 mph.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain. Partly sunny, with a high near 68. Breezy.

    High: 68 °F

    Slight Chance
    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Blustery.

    Low: 26 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 31. North wind around 5 mph becoming calm.
Monday
Increasing clouds, with a high near 53. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Monday Night
A 20 percent chance of rain before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 35. South wind around 8 mph.
Tuesday
Increasing clouds, with a high near 62. South wind 7 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 44. South southeast wind around 6 mph.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 68. Breezy.
Thursday Night
Partly cloudy, with a low around 26. Blustery.
Friday
Mostly sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Partly sunny, with a high near 66.
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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 CDT Mar 22, 2026
Forecast Valid:
12am CDT Mar 23, 2026-6pm CDT Mar 29, 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