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DeWitt, IA Weather Forecast
DeWitt, IA Weather Forecast Dated: 1146 AM Wed Sep 09 2026
Expect a mild stretch with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate. Isolated storms at times.
Wednesday, September 9, 2026
Mid-Morning
74°F 23°C
Heavy Rain
Mid-Afternoon
82°F 28°C
Heavy Rain
Early-Evening
75°F 24°C
Overcast
Warm and summery around 82°F 28°C (feels like 87°F 31°C), intermittent showers through midday, easing by evening, with lower humidity and steady pressure. Winds turning from the WSW to the NNW at 6 mph 10 km/h.
Thursday, September 10, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
74°F 23°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
80°F 26°C
Sunny
Early-Evening
73°F 23°C
Sunny
Quite warm around 80°F 26°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the SSE to the SE at 8 mph 13 km/h.
Saturday, September 12, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
81°F 27°C
Nearby Thunderstorms
Early-Evening
70°F 21°C
Light Showers
Warm temperatures up to 81°F 27°C, periods of heavy thunderstorms, with increasing humidity and steady pressure. Winds moving from the SSW to the NNW at 7 mph 12 km/h.
Sunday, September 13, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
77°F 25°C
Overcast
Early-Evening
75°F 24°C
Scattered Showers
Mild with a high of 77°F 25°C, scattered downpours possible, with steady humidity and steady pressure. Winds swinging from the NE to the E at 8 mph 13 km/h.
Monday, September 14, 2026
Mid-Morning
71°F 22°C
Light Showers
Mid-Afternoon
82°F 28°C
Scattered Showers
Early-Evening
76°F 25°C
Overcast
Very warm near 82°F 28°C, though humidity makes it feel like 86°F 30°C, locally heavy downpours at times, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds shifting from the SSE to the WNW at 6 mph 10 km/h.
Tuesday, September 15, 2026
Mid-Morning
58°F 15°C
Scattered Showers
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
64°F 18°C
Overcast
Comfortable at 67°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the NNW to the NNE at 7 mph 11 km/h.
Wednesday, September 16, 2026
Mid-Morning
61°F 16°C
Partly Cloudy
Mid-Afternoon
69°F 20°C
Overcast
Early-Evening
67°F 19°C
Scattered Showers
Enjoyable around 69°F 20°C, scattered downpours possible, with steady humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
57°F 14°C
Light Showers
Mid-Afternoon
66°F 19°C
Scattered Showers
Early-Evening
66°F 19°C
Overcast
Refreshing around 66°F 19°C, locally heavy downpours at times, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
66°F 19°C
Light Fog
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
75°F 24°C
Partly Cloudy
Mild with a high of 77°F 25°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the SE to the S at 7 mph 12 km/h.
Saturday, September 19, 2026
Mid-Morning
76°F 25°C
Overcast
Mid-Afternoon
87°F 30°C
Sunny
Early-Evening
75°F 24°C
Sunny
Quite warm reaching 87°F 30°C, feeling like 91°F 33°C during peak afternoon, cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the SSW to the NW at 9 mph 14 km/h.
Sunday, September 20, 2026
Mid-Morning
67°F 19°C
Light Fog
Mid-Afternoon
76°F 25°C
Partly Cloudy
Early-Evening
74°F 23°C
Scattered Showers
Comfortable with temperatures reaching 76°F 25°C, locally heavy downpours at times, with steady humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
69°F 20°C
Light Showers
Mid-Afternoon
76°F 24°C
Scattered Showers
Early-Evening
69°F 21°C
Scattered Showers
Enjoyable around 76°F 24°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the E to the ENE at 10 mph 16 km/h.
Tuesday, September 22, 2026
Mid-Morning
67°F 20°C
Light Fog
Mid-Afternoon
78°F 25°C
Scattered Showers
Early-Evening
72°F 23°C
Sunny
Mild temperatures up to 78°F 25°C, scattered downpours possible, with lower humidity and steady pressure. Winds shifting from the E to the W at 8 mph 12 km/h.
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