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.

Fair

73°F

23°C

Humidity 41%
Wind Speed NE 9 G 16 mph
Barometer 30.04 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 7 Oct 12:15 pm CDT
Extended Forecast for

Defiance IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. North northwest wind around 6 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 57. East southeast wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 82. South wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 64. South wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph.

    High: 82 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 61. South wind 11 to 15 mph, with gusts as high as 29 mph.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78. South wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. North northwest wind around 6 mph.
Tonight
Partly cloudy, with a low around 51. Calm wind.
Thursday
Mostly sunny, with a high near 74. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 57. East southeast wind 3 to 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 82. South wind 7 to 13 mph, with gusts as high as 22 mph.
Friday Night
Clear, with a low around 64. South wind 11 to 14 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 82. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 61. South wind 11 to 15 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 78. South wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 57. South wind 6 to 8 mph, with gusts as high as 16 mph.
Columbus Day
A slight chance of showers. Mostly sunny, with a high near 68. East wind 8 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 45. North wind around 9 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 59. North wind around 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Defiance IA
 41.83°N 95.35°W (Elev. 1293 ft)
Last Update:
1:35 pm CDT Oct 7, 2026
Forecast Valid:
1pm CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
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Additional Resources

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