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.

Overcast

30°F

-1°C

Humidity 100%
Wind Speed E 7 mph
Barometer 29.80 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 25 Feb 11:35 pm CST
Extended Forecast for

Denison IA

  • Tonight

    Tonight: A chance of freezing rain before midnight. Mostly cloudy, with a low around 24. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 30%.

    Low: 24 °F

    Chance
    Freezing Rain

  • Thursday

    Thursday: Sunny, with a high near 52. West wind 5 to 8 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. Southwest wind 3 to 6 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 59 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24. Northwest wind 5 to 10 mph becoming northeast in the evening.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of snow. Cloudy, with a high near 26.

    High: 26 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A chance of freezing rain before midnight. Mostly cloudy, with a low around 24. Southeast wind around 5 mph becoming light and variable. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 52. West wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 29. Southwest wind 3 to 6 mph.
Friday
Sunny, with a high near 59. Southwest wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 24. Northwest wind 5 to 10 mph becoming northeast in the evening.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
A 50 percent chance of snow. Cloudy, with a high near 26.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 13.
Monday
Mostly cloudy, with a high near 33.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
10:11 pm CST Feb 25, 2026
Forecast Valid:
11pm CST Feb 25, 2026-6pm CST Mar 4, 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