Weather WorldFlat Lake, IA 14 Day Weather
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Flat Lake, IA Weather Forecast
Flat Lake, IA Weather Forecast Dated: 625 PM Sat Sep 12 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.
Saturday, September 12, 2026
Mid-Morning
71°F 22°C
Overcast
Mid-Afternoon
82°F 28°C
Partly Cloudy
Early-Evening
73°F 23°C
Sunny
Warm and summery near 82°F 28°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds turning from the WSW to the NNW at 6 mph 10 km/h.
Sunday, September 13, 2026
Mid-Morning
60°F 15°C
Cloudy
Mid-Afternoon
67°F 19°C
Cloudy
Early-Evening
61°F 16°C
Scattered Showers
Mildly cool near 67°F 19°C, scattered downpours possible, with increasing humidity and steady pressure. Winds switching from the N to the NE at 4 mph 7 km/h.
Monday, September 14, 2026
Mid-Morning
57°F 14°C
Cloudy
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
65°F 18°C
Light Showers
Comfortable at 67°F 19°C, dry most of the day, with showers developing late, with steady humidity and barometric pressure falling. Winds moving from the SE to the SSE at 15 mph 24 km/h. Gusts up to 32 mph 52 km/h.
Tuesday, September 15, 2026
Mid-Morning
68°F 20°C
Light Fog
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
72°F 22°C
Overcast
Mild temperatures up to 76°F 24°C, overcast throughout the day, with lower humidity and barometric pressure rising.
Wednesday, September 16, 2026
Mid-Morning
63°F 17°C
Heavy Rain Showers
Mid-Afternoon
60°F 15°C
Light Fog
Early-Evening
57°F 14°C
Light Showers
Refreshing around 60°F 15°C, early showers and late showers with a lull during the afternoon, with steady humidity and barometric pressure rising. Winds swinging from the ESE to the E at 10 mph 17 km/h. Gusts up to 22 mph 35 km/h.
Thursday, September 17, 2026
Mid-Morning
58°F 15°C
Fog
Mid-Afternoon
60°F 16°C
Scattered Showers
Early-Evening
60°F 16°C
Overcast
Mildly cool near 60°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the NE to the ENE at 6 mph 10 km/h.
Friday, September 18, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
71°F 21°C
Overcast
Early-Evening
68°F 20°C
Overcast
Comfortable with temperatures reaching 71°F 21°C, overcast throughout the day, with steady humidity and barometric pressure falling. Winds turning from the ENE to the E at 6 mph 10 km/h.
Saturday, September 19, 2026
Mid-Morning
59°F 15°C
Light Showers
Mid-Afternoon
57°F 14°C
Light Showers
Early-Evening
57°F 14°C
Light Showers
Crisp with a high near 57°F 14°C, persistent showers off and on through the day, with steady humidity and steady pressure. Winds switching from the ENE to the NNE at 13 mph 22 km/h. Gusts up to 30 mph 47 km/h.
Sunday, September 20, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
68°F 20°C
Scattered Showers
Early-Evening
60°F 16°C
Scattered Showers
Mild temperatures up to 68°F 20°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds blowing from the NE at 15 mph 25 km/h. Gusts up to 28 mph 45 km/h.
Monday, September 21, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
64°F 18°C
Scattered Showers
Early-Evening
61°F 16°C
Overcast
Mildly cool near 64°F 18°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the ENE to the NE at 11 mph 17 km/h. Gusts up to 21 mph 34 km/h.
Tuesday, September 22, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
61°F 16°C
Overcast
Comfortable at 63°F 17°C, overcast throughout the day, with steady humidity and steady pressure. Winds shifting from the NNE to the N at 9 mph 14 km/h.
Wednesday, September 23, 2026
Mid-Morning
62°F 16°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
60°F 16°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, sunny throughout the day, with steady humidity and barometric pressure rising. Winds blowing from the NW at 17 mph 27 km/h. Gusts up to 29 mph 47 km/h.
Thursday, September 24, 2026
Mid-Morning
47°F 9°C
Sunny
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
56°F 14°C
Sunny
Refreshing around 61°F 16°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
59°F 15°C
Scattered Showers
Mid-Afternoon
79°F 26°C
Partly Cloudy
Early-Evening
70°F 22°C
Sunny
Mild temperatures up to 79°F 26°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the S to the N at 14 mph 22 km/h. Gusts up to 28 mph 45 km/h.
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