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July 2-3 and 3-4, 2026 Flash Flooding

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Denison (KDNS)

Lat: 41.98°NLon: 95.38°WElev: 1273ft.

Fair

72°F

22°C

Humidity	83%
Wind Speed	SW 6 mph
Barometer	30.04 in
Dewpoint	66°F (19°C)
Visibility	NA
Last update	8 Jul 3:35 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Charter Oak IA

Overnight
Low: 71 °F
Mostly Clear
Wednesday
High: 89 °F
Mostly Sunny
then Chance
Showers
Wednesday Night
Low: 67 °F
Showers
Likely
Thursday
High: 83 °F
Slight Chance
T-storms then
Mostly Sunny
Thursday Night
Low: 64 °F
Partly Cloudy
Friday
High: 84 °F
Partly Sunny
Friday Night
Low: 65 °F
Partly Cloudy
Saturday
High: 85 °F
Mostly Sunny
Saturday Night
Low: 66 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a steady temperature around 71. South wind around 7 mph.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 89. South southwest wind 7 to 10 mph, with gusts as high as 18 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 67. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday

A 20 percent chance of showers and thunderstorms before 9am. Partly sunny, with a high near 83. Calm wind becoming north northeast around 5 mph.

Thursday Night

Partly cloudy, with a low around 64. Light east northeast wind.

Friday

Partly sunny, with a high near 84.

Friday Night

Partly cloudy, with a low around 65.

Saturday

Mostly sunny, with a high near 85.

Saturday Night

Mostly clear, with a low around 66.