Weather World
Mann Lake, IL 14 Day Weather
Quick Weather Clicks
Settings
Sun & Moon
Mann Lake, IL Weather Forecast
Mann Lake, IL Weather Forecast Dated: 434 PM Thu Sep 10 2026
Expect a very warm period with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Thursday, September 10, 2026
Mid-Morning
76°F 25°C
Partly Cloudy
Mid-Afternoon
81°F 27°C
Cloudy
Early-Evening
76°F 24°C
Heavy Rain At Times
Warm and summery around 81°F 27°C (feels like 88°F 31°C), drier conditions through late afternoon before showers move in, with steady humidity and steady pressure. Winds turning from the SSW to the N at 6 mph 10 km/h.
Friday, September 11, 2026
Mid-Morning
73°F 23°C
Overcast
Mid-Afternoon
76°F 24°C
Scattered Showers
Early-Evening
73°F 23°C
Scattered Showers
Comfortable with temperatures reaching 76°F 24°C, scattered downpours possible, with steady humidity and steady pressure.
Saturday, September 12, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
80°F 26°C
Sunny
Quite warm around 88°F 31°C, sunny throughout the day, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
79°F 26°C
Sunny
Mid-Afternoon
96°F 35°C
Partly Cloudy
Early-Evening
88°F 32°C
Sunny
Hot temperatures near 96°F 35°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
81°F 27°C
Sunny
Mid-Afternoon
98°F 37°C
Sunny
Early-Evening
86°F 30°C
Light Showers
Hot and sweltering around 98°F 37°C (heat index 101°F 38°C), mainly dry until evening showers arrive, with steady humidity and steady pressure. Winds switching from the SSW to the SSE at 7 mph 12 km/h.
Tuesday, September 15, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
96°F 36°C
Sunny
Early-Evening
85°F 29°C
Overcast
Very hot with temperatures reaching 96°F 36°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds moving from the SSW to the WSW at 8 mph 13 km/h.
Wednesday, September 16, 2026
Mid-Morning
76°F 25°C
Scattered Showers
Mid-Afternoon
89°F 31°C
Scattered Showers
Early-Evening
76°F 25°C
Light Showers
Warm and summery around 89°F 31°C (feels like 94°F 35°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds out of the SW at 7 mph 11 km/h.
Thursday, September 17, 2026
Mid-Morning
68°F 20°C
Light Showers
Mid-Afternoon
76°F 25°C
Scattered Showers
Early-Evening
73°F 23°C
Overcast
Enjoyable around 76°F 25°C, scattered downpours possible, with lower humidity and steady pressure. Winds shifting from the NNE to the NE at 9 mph 14 km/h.
Friday, September 18, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
79°F 26°C
Partly Cloudy
Early-Evening
73°F 23°C
Overcast
Mild temperatures up to 79°F 26°C, partly cloudy in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds NE at 8 mph 13 km/h.
Saturday, September 19, 2026
Mid-Morning
65°F 19°C
Overcast
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
72°F 23°C
Overcast
Mild with a high of 74°F 24°C, overcast throughout the day, with steady humidity and steady pressure. Winds switching from the NE to the NNE at 6 mph 10 km/h.
Sunday, September 20, 2026
Mid-Morning
68°F 20°C
Partly Cloudy
Mid-Afternoon
72°F 22°C
Scattered Showers
Early-Evening
67°F 20°C
Light Showers
Pleasant near 72°F 22°C, scattered downpours possible, with increasing humidity and steady pressure. Winds moving from the ENE to the E at 9 mph 14 km/h.
Monday, September 21, 2026
Mid-Morning
66°F 19°C
Light Showers
Mid-Afternoon
68°F 20°C
Light Showers
Early-Evening
68°F 20°C
Light Showers
Comfortable with temperatures reaching 68°F 20°C, on-and-off showers throughout the day, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
67°F 20°C
Light Showers
Mid-Afternoon
76°F 25°C
Scattered Showers
Early-Evening
72°F 23°C
Scattered Showers
Enjoyable around 76°F 25°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
62°F 17°C
Light Fog
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
66°F 19°C
Sunny
Mild temperatures up to 74°F 24°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the NNW to the ESE at 8 mph 13 km/h.
Mann Lake, IL Weather Radar Map
Use the map search tool if you want to place a location marker on the radar map...