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.

Fair and Breezy

54°F

12°C

Humidity 44%
Wind Speed N 24 mph
Barometer 29.99 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 31 Mar 12:15 pm CDT
Extended Forecast for

Denison IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 60. Windy, with a north wind 20 to 23 mph, with gusts as high as 34 mph.

    High: 60 °F

    Partly Sunny
    and Windy

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Breezy, with a north northeast wind 10 to 16 mph, with gusts as high as 22 mph.

    Low: 35 °F

    Cloudy and
    Breezy then
    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 4pm. High near 44. Breezy, with an east wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 44 °F

    Slight Chance
    Showers then
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 34. East wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 34 °F

    Showers

  • Thursday

    Thursday: Rain, mainly before 1pm. High near 50. Northeast wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Chance Rain
    then Rain
    Likely

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.

    Low: 33 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 45. Windy. Chance of precipitation is 50%.

    High: 45 °F

    Chance
    Rain/Snow and
    Windy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 60. Windy, with a north wind 20 to 23 mph, with gusts as high as 34 mph.
Tonight
Mostly cloudy, with a low around 35. Breezy, with a north northeast wind 10 to 16 mph, with gusts as high as 22 mph.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 4pm. High near 44. Breezy, with an east wind 10 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 34. East wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Rain, mainly before 1pm. High near 50. Northeast wind 9 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 45. Windy. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 26. Blustery.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 30.
Monday
Partly sunny, with a high near 56.
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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:
12:07 pm CDT Mar 31, 2026
Forecast Valid:
12pm CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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