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Hazardous Weather Conditions

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Charter Oak IA

Extreme Heat Warning June 28, 01:00pm until June 30, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Overnight

    Overnight: A 10 percent chance of showers and thunderstorms after 5am. Cloudy, with a low around 71. Breezy, with a southeast wind 10 to 16 mph, with gusts as high as 30 mph.

    Low: 71 °F

    Slight Chance
    T-storms and
    Breezy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 105. Breezy, with a south wind 16 to 18 mph, with gusts as high as 31 mph.

    High: 96 °F

    Breezy.
    Slight Chance
    T-storms then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 79. South wind around 15 mph, with gusts as high as 26 mph.

    Low: 79 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. Heat index values as high as 106. Windy, with a south wind 16 to 22 mph, with gusts as high as 33 mph.

    High: 97 °F

    Hot and Windy

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Breezy, with a south wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 95.

    High: 95 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.

    Low: 73 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 93. Breezy.

    High: 93 °F

    Slight Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Breezy.

    Low: 73 °F

    Chance
    T-storms and
    Breezy

Detailed Forecast

Overnight
A 10 percent chance of showers and thunderstorms after 5am. Cloudy, with a low around 71. Breezy, with a southeast wind 10 to 16 mph, with gusts as high as 30 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 96. Heat index values as high as 105. Breezy, with a south wind 16 to 18 mph, with gusts as high as 31 mph.
Sunday Night
Mostly clear, with a low around 79. South wind around 15 mph, with gusts as high as 26 mph.
Monday
Sunny and hot, with a high near 97. Heat index values as high as 106. Windy, with a south wind 16 to 22 mph, with gusts as high as 33 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Breezy, with a south wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 95.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 93. Breezy.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 73. Breezy.
Thursday
Mostly sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Breezy.
Friday
Sunny, with a high near 95. Breezy.
Friday Night
Mostly clear, with a low around 74. Breezy.
Independence Day
Mostly sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charter Oak IA
 42.07°N 95.59°W
Last Update:
1:27 am CDT Jun 28, 2026
Forecast Valid:
1am CDT Jun 28, 2026-6pm CDT Jul 4, 2026
 
Forecast Discussion
 
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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