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 92%
Wind Speed Calm
Barometer 30.67 in
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Last update 31 Jan 3:35 am CST
Extended Forecast for

Denison IA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around -2. Calm wind.

    Low: -2 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 22. Wind chill values as low as -5. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly between 3am and 5am. Mostly cloudy, with a low around 14. Wind chill values as low as zero. South southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 38. Wind chill values as low as 5. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 38 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around -2. Calm wind.
Saturday
Mostly sunny, with a high near 22. Wind chill values as low as -5. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Saturday Night
Snow likely, mainly between 3am and 5am. Mostly cloudy, with a low around 14. Wind chill values as low as zero. South southwest wind 8 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
Partly sunny, with a high near 38. Wind chill values as low as 5. Southwest wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Mostly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 14.
Wednesday
Partly sunny, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 39.
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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:
3:22 am CST Jan 31, 2026
Forecast Valid:
3am CST Jan 31, 2026-6pm CST Feb 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