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Letts, IA Weather Forecast
Letts, IA Weather Forecast Dated: 907 PM 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
73°F 23°C
Heavy Rain
Mid-Afternoon
82°F 28°C
Heavy Rain
Early-Evening
74°F 24°C
Scattered Showers
Warm and summery around 82°F 28°C (feels like 87°F 31°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
79°F 26°C
Sunny
Early-Evening
74°F 24°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
67°F 20°C
Sunny
Mid-Afternoon
82°F 28°C
Sunny
Early-Evening
75°F 24°C
Sunny
Quite warm around 82°F 28°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the SSE to the SE at 9 mph 14 km/h.
Saturday, September 12, 2026
Mid-Morning
72°F 22°C
Partly Cloudy
Mid-Afternoon
84°F 29°C
Nearby Thunderstorms
Early-Evening
73°F 23°C
Scattered Showers
Warm and summery around 84°F 29°C (feels like 87°F 30°C), periods of heavy thunderstorms, with increasing humidity and steady pressure. Winds switching from the SSW to the NNW at 8 mph 13 km/h.
Sunday, September 13, 2026
Mid-Morning
67°F 20°C
Cloudy
Mid-Afternoon
81°F 27°C
Scattered Showers
Early-Evening
78°F 26°C
Scattered Showers
Quite warm reaching 81°F 27°C, feeling like 84°F 29°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the NE to the SE at 9 mph 13 km/h.
Monday, September 14, 2026
Mid-Morning
74°F 23°C
Light Showers
Mid-Afternoon
85°F 29°C
Cloudy
Early-Evening
77°F 25°C
Nearby Thunderstorms
Very warm near 85°F 29°C, though humidity makes it feel like 91°F 33°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the S to the WSW at 6 mph 10 km/h.
Tuesday, September 15, 2026
Mid-Morning
60°F 16°C
Light Showers
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
65°F 18°C
Overcast
Comfortable at 67°F 19°C, early showers breaking for a drier afternoon, with lower humidity and steady pressure. Winds shifting from the ESE to the SSE at 6 mph 10 km/h.
Wednesday, September 16, 2026
Mid-Morning
62°F 17°C
Overcast
Mid-Afternoon
66°F 19°C
Scattered Showers
Early-Evening
66°F 19°C
Overcast
Cool with a high near 66°F 19°C, scattered downpours possible, with steady humidity and steady pressure. Winds SE at 7 mph 11 km/h.
Thursday, September 17, 2026
Mid-Morning
60°F 16°C
Light Showers
Mid-Afternoon
67°F 19°C
Scattered Showers
Early-Evening
67°F 20°C
Scattered Showers
Refreshing around 67°F 19°C, locally heavy downpours at times, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
67°F 20°C
Light Fog
Mid-Afternoon
78°F 25°C
Cloudy
Early-Evening
76°F 25°C
Cloudy
Mild with a high of 78°F 25°C, partly cloudy in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the SE to the SSE at 8 mph 12 km/h.
Saturday, September 19, 2026
Mid-Morning
78°F 25°C
Scattered Showers
Mid-Afternoon
87°F 30°C
Sunny
Early-Evening
75°F 24°C
Overcast
Quite warm reaching 87°F 30°C, feeling like 92°F 34°C during peak afternoon, scattered downpours possible, with steady humidity and steady pressure. Winds moving from the W to the NW at 9 mph 14 km/h.
Sunday, September 20, 2026
Mid-Morning
69°F 21°C
Light Fog
Mid-Afternoon
80°F 27°C
Scattered Showers
Early-Evening
76°F 24°C
Cloudy
Very warm near 80°F 27°C, though humidity makes it feel like 83°F 29°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds swinging from the NNE to the ENE at 7 mph 11 km/h.
Monday, September 21, 2026
Mid-Morning
70°F 21°C
Fog
Mid-Afternoon
76°F 24°C
Scattered Showers
Early-Evening
73°F 23°C
Light Showers
Enjoyable around 76°F 24°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
70°F 21°C
Fog
Mid-Afternoon
78°F 26°C
Light Showers
Early-Evening
71°F 22°C
Sunny
Mild temperatures up to 78°F 26°C, clouds building with afternoon showers likely, with lower humidity and steady pressure. Winds shifting from the SSW to the W at 7 mph 11 km/h.
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