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

57°F

14°C

Humidity 67%
Wind Speed SW 5 mph
Barometer 29.87 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Mar 3:55 am CDT
Extended Forecast for

3 Miles SW Denison IA

Red Flag Warning March 21, 01:00pm until March 21, 10:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Sunny, with a high near 88. South southwest wind 6 to 15 mph, with gusts as high as 22 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 45. Windy, with a south southwest wind 10 to 15 mph becoming north northeast 16 to 21 mph after midnight. Winds could gust as high as 31 mph.

    Low: 45 °F

    Mostly Clear
    then Partly
    Cloudy and
    Windy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Windy, with a north wind 18 to 21 mph, with gusts as high as 34 mph.

    High: 53 °F

    Mostly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. North wind 9 to 14 mph becoming light east northeast after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 55. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 88. South southwest wind 6 to 15 mph, with gusts as high as 22 mph.
Tonight
Increasing clouds, with a low around 45. Windy, with a south southwest wind 10 to 15 mph becoming north northeast 16 to 21 mph after midnight. Winds could gust as high as 31 mph.
Sunday
Mostly sunny, with a high near 53. Windy, with a north wind 18 to 21 mph, with gusts as high as 34 mph.
Sunday Night
Mostly clear, with a low around 30. North wind 9 to 14 mph becoming light east northeast after midnight. Winds could gust as high as 20 mph.
Monday
Partly sunny, with a high near 55. Calm wind becoming southeast 5 to 9 mph in the morning.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 64. Breezy.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Denison IA
 41.98°N 95.38°W
Last Update:
1:51 am CDT Mar 21, 2026
Forecast Valid:
4am CDT Mar 21, 2026-6pm CDT Mar 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation