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.

Light Rain

43°F

6°C

Humidity 100%
Wind Speed E 15 G 22 mph
Barometer 29.93 in
Dewpoint 43°F (6°C)
Visibility 3.00 mi
Wind Chill36°F (2°C)
Last update 1 Apr 4:55 pm CDT
Extended Forecast for

Denison IA

  • This Afternoon

    This Afternoon: Showers likely. Cloudy, with a high near 49. Breezy, with an east wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 1am. Low around 38. Breezy, with an east wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and thunderstorms before 4pm, then a slight chance of showers. High near 52. East wind 11 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. West northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 18 mph.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 52. East wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 52 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 29 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 44. Windy.

    High: 44 °F

    Slight Chance
    Showers and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25. Blustery.

    Low: 25 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely. Cloudy, with a high near 49. Breezy, with an east wind around 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, with thunderstorms also possible after 1am. Low around 38. Breezy, with an east wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and thunderstorms before 4pm, then a slight chance of showers. High near 52. East wind 11 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 32. West northwest wind 6 to 11 mph becoming light and variable. Winds could gust as high as 18 mph.
Friday
Showers and possibly a thunderstorm. High near 52. East wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 44. Windy.
Saturday Night
Partly cloudy, with a low around 25. Blustery.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 32.
Monday
Partly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 52. Breezy.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Mostly sunny, with a high near 66. Windy.
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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:
2:57 pm CDT Apr 1, 2026
Forecast Valid:
5pm CDT Apr 1, 2026-6pm CDT Apr 8, 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