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 39%
Wind Speed W 8 mph
Barometer 30.24 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 5 Apr 7:35 pm CDT
Extended Forecast for

Denison IA

  • Tonight

    Tonight: Increasing clouds, with a low around 32. West wind 6 to 9 mph becoming north after midnight.

    Low: 32 °F

    Increasing
    Clouds

  • Monday

    Monday: A chance of rain and snow showers before 7am, then a chance of snow showers. Mostly cloudy, with a high near 43. North wind 6 to 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: A slight chance of rain showers before 11pm, then a chance of snow showers. Cloudy, with a low around 24. North northeast wind 6 to 8 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: A chance of snow showers before 1pm, then rain likely, possibly mixed with snow showers. Cloudy, with a high near 40. Southeast wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Tuesday Night

    Tuesday Night: Rain likely, possibly mixed with snow showers before 7pm, then a chance of rain showers. Mostly cloudy, with a low around 32. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely then
    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 66. Windy. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Chance
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Mostly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Partly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 32. West wind 6 to 9 mph becoming north after midnight.
Monday
A chance of rain and snow showers before 7am, then a chance of snow showers. Mostly cloudy, with a high near 43. North wind 6 to 10 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
A slight chance of rain showers before 11pm, then a chance of snow showers. Cloudy, with a low around 24. North northeast wind 6 to 8 mph. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Tuesday
A chance of snow showers before 1pm, then rain likely, possibly mixed with snow showers. Cloudy, with a high near 40. Southeast wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain likely, possibly mixed with snow showers before 7pm, then a chance of rain showers. Mostly cloudy, with a low around 32. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 66. Windy. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 37.
Thursday
A 50 percent chance of showers. Mostly sunny, with a high near 58.
Thursday Night
A 50 percent chance of showers. Partly cloudy, with a low around 35.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 58.
Friday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
Showers likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%.
Saturday Night
Showers likely. Cloudy, with a low around 52. Chance of precipitation is 70%.
Sunday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
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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:
6:21 pm CDT Apr 5, 2026
Forecast Valid:
7pm CDT Apr 5, 2026-6pm CDT Apr 12, 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