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

27°F

-3°C

Humidity 54%
Wind Speed S 9 mph
Barometer 30.01 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 20 Jan 5:35 pm CST
Extended Forecast for

Denison IA

  • Tonight

    Tonight: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 14. Wind chill values as low as 5. Southeast wind 5 to 7 mph becoming calm. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 14 °F

    Snow Likely
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A chance of snow between noon and 2pm. Mostly sunny, with a high near 38. Wind chill values as low as 5. Windy, with a southwest wind 5 to 15 mph increasing to 18 to 28 mph. Winds could gust as high as 45 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 38 °F

    Mostly Sunny
    and Breezy
    then Chance
    Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9. Wind chill values as low as zero. Blustery, with a northwest wind 15 to 20 mph becoming light west after midnight. Winds could gust as high as 38 mph.

    Low: 9 °F

    Mostly Clear
    and Blustery
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 24. Wind chill values as low as 5. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 24 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -10. North wind around 9 mph.

    Low: -10 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near 1.

    High: 1 °F

    Cold

  • Friday Night

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

    Low: -8 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow. Partly sunny and cold, with a high near 8.

    High: 8 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around -5.

    Low: -5 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 14. Wind chill values as low as 5. Southeast wind 5 to 7 mph becoming calm. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
A chance of snow between noon and 2pm. Mostly sunny, with a high near 38. Wind chill values as low as 5. Windy, with a southwest wind 5 to 15 mph increasing to 18 to 28 mph. Winds could gust as high as 45 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Partly cloudy, with a low around 9. Wind chill values as low as zero. Blustery, with a northwest wind 15 to 20 mph becoming light west after midnight. Winds could gust as high as 38 mph.
Thursday
Partly sunny, with a high near 24. Wind chill values as low as 5. Light west wind becoming west northwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around -10. North wind around 9 mph.
Friday
Partly sunny and cold, with a high near 1.
Friday Night
Mostly cloudy, with a low around -8.
Saturday
A 20 percent chance of snow. Partly sunny and cold, with a high near 8.
Saturday Night
Mostly cloudy, with a low around -5.
Sunday
Mostly sunny, with a high near 14.
Sunday Night
Partly cloudy, with a low around -3.
Monday
Sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
5:46 pm CST Jan 20, 2026
Forecast Valid:
6pm CST Jan 20, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation