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.

Overcast

46°F

8°C

Humidity 40%
Wind Speed S 7 mph
Barometer 30.28 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 23 Mar 9:15 pm CDT
Extended Forecast for

Defiance IA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. South wind around 8 mph, with gusts as high as 16 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: A chance of sprinkles after 5pm. Increasing clouds, with a high near 62. South wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 62 °F

    Chance
    Sprinkles

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. South southeast wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. South southwest wind around 8 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Light and variable wind becoming south 5 to 7 mph after midnight.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 1pm. Partly sunny, with a high near 70. Breezy, with a southwest wind 9 to 14 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 70 °F

    Chance Rain
    and Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 27. Blustery, with a north wind 17 to 24 mph, with gusts as high as 29 mph.

    Low: 27 °F

    Slight Chance
    Rain and
    Blustery

  • Friday

    Friday: Mostly sunny, with a high near 47. North wind around 15 mph, with gusts as high as 22 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. North northwest wind 5 to 11 mph becoming south southeast after midnight. Winds could gust as high as 16 mph.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. South wind around 8 mph, with gusts as high as 16 mph.
Tuesday
A chance of sprinkles after 5pm. Increasing clouds, with a high near 62. South wind 6 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 43. South southeast wind 8 to 10 mph, with gusts as high as 17 mph.
Wednesday
Mostly sunny, with a high near 79. South southwest wind around 8 mph.
Wednesday Night
Mostly clear, with a low around 53. Light and variable wind becoming south 5 to 7 mph after midnight.
Thursday
A 30 percent chance of rain, mainly after 1pm. Partly sunny, with a high near 70. Breezy, with a southwest wind 9 to 14 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 27. Blustery, with a north wind 17 to 24 mph, with gusts as high as 29 mph.
Friday
Mostly sunny, with a high near 47. North wind around 15 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 25. North northwest wind 5 to 11 mph becoming south southeast after midnight. Winds could gust as high as 16 mph.
Saturday
Sunny, with a high near 57. South southwest wind 5 to 15 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 37. South wind around 9 mph, with gusts as high as 16 mph.
Sunday
Mostly sunny, with a high near 65. South wind 8 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 43. South southeast wind around 10 mph, with gusts as high as 18 mph.
Monday
A slight chance of rain. Partly sunny, with a high near 68. South southeast wind 10 to 15 mph, with gusts as high as 22 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Defiance IA
 41.83°N 95.35°W (Elev. 1293 ft)
Last Update:
7:35 pm CDT Mar 23, 2026
Forecast Valid:
9pm CDT Mar 23, 2026-6pm CDT Mar 30, 2026
 
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