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Mcmann Lake Weather Warning NWS WEATHER ALERT FOR THE MCMANN LAKE, IL AREA - Issued: 407 AM CDT Mon Sep 21 2026 Mcmann Lake Weather Warning

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Mcmann Lake, IL Weather - Hour by Hour Forecast

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Mcmann Lake, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 61°F16°C, dew point 60°F16°C, humidity 96%. Wind direction is ENE at 9 mph14 km/h with visibility of 10 mi16 km. Barometric pressure is 30.01 in1016 mb.
Today - Cloudy. A chance of showers this morning. Much cooler with highs in the upper 60s. Northeast winds around 10 mph with gusts up to .. Full Forecast
Tonight - Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph... Full Forecast

Mcmann Lake Hourly Weather

24 Hour Forecast Scroll
Mon, Sep 21
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Mcmann Lake, IL Hourly Weather - Cloudy - 7:00 AM Mcmann Lake, IL Hourly Weather - Cloudy - 8:00 AM Mcmann Lake, IL Hourly Weather - Cloudy - 9:00 AM Mcmann Lake, IL Hourly Weather - Cloudy - 10:00 AM Mcmann Lake, IL Hourly Weather - Cloudy - 11:00 AM Mcmann Lake, IL Hourly Weather - Cloudy - 12:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 1:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 2:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 3:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 4:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 5:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 6:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 7:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 8:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 9:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 10:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 11:00 PM Mcmann Lake, IL Hourly Weather - Cloudy - 12:00 AM Mcmann Lake, IL Hourly Weather - Cloudy - 1:00 AM Mcmann Lake, IL Hourly Weather - Cloudy - 2:00 AM Mcmann Lake, IL Hourly Weather - Cloudy - 3:00 AM Mcmann Lake, IL Hourly Weather - Cloudy - 4:00 AM Mcmann Lake, IL Hourly Weather - Cloudy - 5:00 AM Mcmann Lake, IL Hourly Weather - Cloudy - 6:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
61°F16°C 62°F17°C 62°F17°C 63°F17°C 64°F18°C 65°F18°C 66°F19°C 66°F19°C 67°F19°C 67°F19°C 66°F19°C 65°F18°C 64°F18°C 63°F17°C 63°F17°C 62°F17°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C 58°F14°C 57°F14°C
Rain Rain Rain Rain Rain Rain Rain - - - - - - - - - - - - Rain Rain Rain Rain Rain
33% 33% 33% 33% 33% 33% 33% 15% 15% 15% 15% 15% 15% 9% 9% 9% 9% 9% 9% 23% 23% 23% 23% 23%
61°F16°C 61°F16°C 62°F17°C 62°F17°C 62°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 63°F17°C 62°F17°C 62°F17°C 62°F17°C 61°F16°C 61°F16°C 61°F16°C 60°F16°C 60°F16°C 59°F15°C 59°F15°C 58°F14°C 57°F14°C 57°F14°C
100% 97% 100% 97% 93% 93% 90% 90% 87% 87% 90% 90% 93% 97% 93% 97% 100% 97% 100% 96% 100% 96% 96% 100%
NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
8 mph 8 mph 8 mph 8 mph 8 mph 8 mph 8 mph 8 mph 9 mph 9 mph 9 mph 7 mph 7 mph 7 mph 8 mph 8 mph 8 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 8 mph
5 mi8 km 5 mi8 km 5 mi8 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KSPI model statistics.

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Prob Precip % = Probability of Precipitation.

Mcmann Lake 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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