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Trout Valley, IL Weather Forecast
Trout Valley, IL Weather Forecast Dated: 352 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
71°F 22°C
Rain
Mid-Afternoon
80°F 27°C
Rain
Early-Evening
75°F 24°C
Light Showers
Warm and summery around 80°F 27°C (feels like 85°F 29°C), rounds of showers expected off and on all day, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds turning from the WSW to the NW at 6 mph 9 km/h.
Thursday, September 10, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
69°F 20°C
Sunny
Comfortable with temperatures reaching 74°F 24°C, overcast through the afternoon, turning sunny this evening, with steady humidity and steady pressure.
Friday, September 11, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
71°F 22°C
Sunny
Enjoyable around 75°F 24°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds switching from the S to the SSE at 7 mph 10 km/h.
Saturday, September 12, 2026
Mid-Morning
67°F 20°C
Partly Cloudy
Mid-Afternoon
80°F 27°C
Overcast
Early-Evening
75°F 24°C
Nearby Thunderstorms
Warm and summery around 80°F 27°C (feels like 83°F 29°C), periods of heavy thunderstorms, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds moving from the SSW to the N at 6 mph 10 km/h.
Sunday, September 13, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
67°F 19°C
Overcast
Mild with a high of 73°F 23°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds swinging from the NE to the ENE at 9 mph 14 km/h.
Monday, September 14, 2026
Mid-Morning
66°F 19°C
Scattered Showers
Mid-Afternoon
74°F 23°C
Light Showers
Early-Evening
77°F 25°C
Nearby Thunderstorms
Pleasant near 74°F 23°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds blowing from the S at 10 mph 15 km/h.
Tuesday, September 15, 2026
Mid-Morning
59°F 15°C
Scattered Showers
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
63°F 17°C
Overcast
Comfortable at 66°F 19°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the NNW to the NNE at 4 mph 7 km/h.
Wednesday, September 16, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
60°F 16°C
Overcast
Cool with a high near 65°F 18°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds out of the E at 9 mph 14 km/h.
Thursday, September 17, 2026
Mid-Morning
61°F 16°C
Overcast
Mid-Afternoon
65°F 19°C
Overcast
Early-Evening
64°F 17°C
Partly Cloudy
Refreshing around 65°F 19°C, overcast in the morning, cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
65°F 19°C
Overcast
Mid-Afternoon
73°F 23°C
Partly Cloudy
Early-Evening
71°F 22°C
Sunny
Mild with a high of 73°F 23°C, partly cloudy through the afternoon, turning overcast this evening, with increasing humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
67°F 20°C
Heavy Rain Showers
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
73°F 23°C
Light Showers
Quite warm reaching 80°F 27°C, feeling like 83°F 29°C during peak afternoon, early showers and late showers with a lull during the afternoon, with steady humidity and steady pressure. Winds moving from the SW to the NE at 8 mph 13 km/h.
Sunday, September 20, 2026
Mid-Morning
67°F 19°C
Fog
Mid-Afternoon
71°F 22°C
Scattered Showers
Early-Evening
68°F 20°C
Scattered Showers
Comfortable with temperatures reaching 71°F 22°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds swinging from the NE to the E at 7 mph 11 km/h.
Monday, September 21, 2026
Mid-Morning
67°F 19°C
Light Showers
Mid-Afternoon
65°F 18°C
Light Showers
Early-Evening
64°F 18°C
Scattered Showers
Refreshing around 65°F 18°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds out of the ENE at 8 mph 13 km/h.
Tuesday, September 22, 2026
Mid-Morning
64°F 18°C
Fog
Mid-Afternoon
69°F 21°C
Scattered Showers
Early-Evening
67°F 20°C
Light Showers
Mild temperatures up to 69°F 21°C, scattered downpours possible, with steady humidity and steady pressure.
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