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

63°F

17°C

Humidity 83%
Wind Speed SE 10 mph
Barometer 30.02 in
Dewpoint 57°F (14°C)
Visibility NA
Last update 25 May 6:15 am CDT
Extended Forecast for

Defiance IA

  • Memorial Day

    Memorial Day: Sunny, with a high near 84. South wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. South wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 85. South wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 85 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. South southeast wind 5 to 7 mph becoming calm after midnight.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Light southeast wind becoming east southeast 5 to 10 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59. East southeast wind 3 to 8 mph.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. East southeast wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59. East southeast wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 59 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 76. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 76 °F

    Showers
    Likely

Detailed Forecast

Memorial Day
Sunny, with a high near 84. South wind 10 to 16 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 58. South wind 7 to 13 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 85. South wind 6 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 56. South southeast wind 5 to 7 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 84. Light southeast wind becoming east southeast 5 to 10 mph in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Partly cloudy, with a low around 59. East southeast wind 3 to 8 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82. East southeast wind 6 to 14 mph, with gusts as high as 22 mph.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59. East southeast wind 5 to 10 mph, with gusts as high as 16 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 76. Southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. East southeast wind 5 to 9 mph.
Saturday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 75. East southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 55. East southeast wind 5 to 9 mph becoming light after midnight.
Sunday
Partly sunny, with a high near 76. East southeast wind 3 to 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:
5:31 am CDT May 25, 2026
Forecast Valid:
6am CDT May 25, 2026-6pm CDT May 31, 2026
 
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Additional Resources

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