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

79°F

26°C

Humidity 54%
Wind Speed S 21 G 28 mph
Barometer 29.98 in
Dewpoint 61°F (16°C)
Visibility NA
Heat Index80°F (27°C)
Last update 25 May 10:55 am CDT
Extended Forecast for

Arion IA

  • Memorial Day

    Memorial Day: Sunny, with a high near 86. Breezy, with a south southwest wind around 17 mph, with gusts as high as 28 mph.

    High: 86 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 60. South wind 6 to 14 mph, with gusts as high as 23 mph.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86. South wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. South southeast wind 5 to 7 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming east southeast 5 to 9 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

Memorial Day
Sunny, with a high near 86. Breezy, with a south southwest wind around 17 mph, with gusts as high as 28 mph.
Tonight
Partly cloudy, with a low around 60. South wind 6 to 14 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 86. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 57. South southeast wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 85. Calm wind becoming east southeast 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 61.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 77. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Saturday Night
Mostly cloudy, with a low around 56.
Sunday
Partly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arion IA
 41.94°N 95.47°W
Last Update:
8:26 am CDT May 25, 2026
Forecast Valid:
11am CDT May 25, 2026-6pm CDT May 31, 2026
 
Forecast Discussion
 
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Additional Resources

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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