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

46°F

8°C

Humidity 25%
Wind Speed NW 23 G 31 mph
Barometer 30.63 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 27 Mar 6:15 pm CDT
Extended Forecast for

Denison IA

Red Flag Warning March 28, 10:00am until March 28, 09:00pm
Red Flag Warning until March 27, 09:00pm
Click here for hazard details and duration
Red Flag Warning
...
  •  
    Red Flag Warning until March 27, 09:00pm

    NOW until 9:00pm Fri

    Red Flag Warning

  • Tonight

    Low: 24 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. Windy, with a south southwest wind 8 to 18 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 59 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. Breezy, with a south wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 40 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 72. South wind around 10 mph.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44. Southeast wind 3 to 6 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers. Partly cloudy, with a low around 50.

    Low: 50 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly cloudy, with a high near 59. Breezy.

    High: 59 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 24. North northwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 24 mph.
Saturday
Sunny, with a high near 59. Windy, with a south southwest wind 8 to 18 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 39 mph.
Saturday Night
Partly cloudy, with a low around 40. Breezy, with a south wind 10 to 18 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 72. South wind around 10 mph.
Sunday Night
Mostly clear, with a low around 44. Southeast wind 3 to 6 mph.
Monday
Partly sunny, with a high near 82.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 50.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 59. Breezy.
Tuesday Night
Mostly cloudy, with a low around 27. Blustery.
Wednesday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 49.
Wednesday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 37.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 58. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denison IA
 42.03°N 95.35°W
Last Update:
6:17 pm CDT Mar 27, 2026
Forecast Valid:
6pm CDT Mar 27, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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