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

81°F

27°C

Humidity 54%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 2 Aug 11:15 am CDT
Extended Forecast for

Charter Oak IA

  • Today

    Today: Mostly sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Southeast wind around 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86. South wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 66. South southeast wind 5 to 13 mph, with gusts as high as 21 mph.

    Low: 66 °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 8 mph in the morning. Chance of precipitation is 70%. 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 likely and possibly a thunderstorm before 1am, then showers and thunderstorms likely after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers
    Likely then
    T-storms
    Likely

  • 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 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 84. Light and variable wind.
Tonight
Partly cloudy, with a low around 61. Southeast wind around 6 mph.
Monday
Mostly sunny, with a high near 86. South wind 7 to 14 mph, with gusts as high as 23 mph.
Monday Night
Increasing clouds, with a low around 66. South southeast wind 5 to 13 mph, with gusts as high as 21 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 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then showers and thunderstorms likely after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 70%. 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 79.
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 65.
Saturday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charter Oak IA
 42.09°N 95.59°W
Last Update:
8:53 am CDT Aug 2, 2026
Forecast Valid:
11am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
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Additional Resources

Radar & Satellite Image

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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