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

45°F

7°C

Humidity 61%
Wind Speed S 5 mph
Barometer 30.02 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 12 Jan 5:35 pm CST
Extended Forecast for

Denison IA

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Southwest wind 6 to 9 mph.

    Low: 37 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A slight chance of rain between 1pm and 4pm. Partly sunny, with a high near 51. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 51 °F

    Partly Sunny
    then Slight
    Chance Rain
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. Blustery, with a north northwest wind 14 to 18 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Partly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Wednesday

    Wednesday: Sunny, with a high near 29. Blustery, with a north wind 9 to 18 mph, with gusts as high as 30 mph.

    High: 29 °F

    Sunny and
    Blustery

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. North wind 5 to 7 mph becoming calm in the evening.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 26. Blustery.

    Low: 26 °F

    Slight Chance
    Snow then
    Mostly Cloudy
    and Blustery

  • Friday

    Friday: A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 33. Windy.

    High: 33 °F

    Chance Snow
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 8. Blustery.

    Low: 8 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 37. Southwest wind 6 to 9 mph.
Tuesday
A slight chance of rain between 1pm and 4pm. Partly sunny, with a high near 51. Breezy, with a west northwest wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 25. Blustery, with a north northwest wind 14 to 18 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 29. Blustery, with a north wind 9 to 18 mph, with gusts as high as 30 mph.
Wednesday Night
Partly cloudy, with a low around 13. North wind 5 to 7 mph becoming calm in the evening.
Thursday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 36. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 26. Blustery.
Friday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 33. Windy.
Friday Night
Mostly cloudy, with a low around 8. Blustery.
Saturday
Partly sunny, with a high near 18.
Saturday Night
Partly cloudy, with a low around 2.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Partly cloudy, with a low around 9.
M.L.King Day
Mostly sunny, with a high near 31.
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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:
5:06 pm CST Jan 12, 2026
Forecast Valid:
5pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation