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

57°F

14°C

Humidity 63%
Wind Speed SW 5 mph
Barometer 29.66 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 15 Nov 3:15 am CST
Extended Forecast for

Denison IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. West southwest wind around 7 mph.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 63. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 52. Calm wind becoming east southeast around 5 mph.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. East southeast wind 3 to 6 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: A 40 percent chance of rain after noon. Partly sunny, with a high near 51. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Mostly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. West southwest wind around 7 mph.
Saturday
Sunny, with a high near 63. North northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 32. North northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 52. Calm wind becoming east southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 34. East southeast wind 3 to 6 mph.
Monday
A 40 percent chance of rain after noon. Partly sunny, with a high near 51. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 39.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 51.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
3:16 am CST Nov 15, 2025
Forecast Valid:
3am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
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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