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

57°F

14°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 57°F (14°C)
Visibility 7.00 mi
Last update 2 Aug 7:15 am CDT
Extended Forecast for

5 Miles NNW Arion IA

  • Today

    Today: Sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Southeast wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. South wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 65. South southeast wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Light and variable wind becoming north northeast 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers
    Likely then
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 83. Light and variable wind.
Tonight
Partly cloudy, with a low around 61. Southeast wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 85. South wind 6 to 13 mph, with gusts as high as 22 mph.
Monday Night
Increasing clouds, with a low around 65. South southeast wind 5 to 11 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Light and variable wind becoming north northeast 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 57. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Arion IA
 42°N 95.5°W
Last Update:
5:52 am CDT Aug 2, 2026
Forecast Valid:
7am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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