Weather Alert
Cullum Lake Weather Warning NWS WEATHER ALERT FOR THE CULLUM LAKE, IL AREA - Issued: 1028 AM CDT Sun Aug 9 2026 Cullum Lake Weather Warning

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Cullum Lake, IL Weather - Hour by Hour Forecast

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Cullum Lake, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 78°F26°C, dew point 73°F23°C, humidity 84%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 30 in1015 mb.
Tonight - Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph... Full Forecast
Monday - Mostly sunny. Highs in the mid 90s. Southwest winds 5 to 10 mph... Full Forecast

Cullum Lake Hourly Weather

24 Hour Forecast Scroll
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Cullum Lake, IL Hourly Weather - Partly Cloudy - 9:00 PM Cullum Lake, IL Hourly Weather - Partly Cloudy - 10:00 PM Cullum Lake, IL Hourly Weather - Partly Cloudy - 11:00 PM Cullum Lake, IL Hourly Weather - Partly Cloudy - 12:00 AM Cullum Lake, IL Hourly Weather - Partly Cloudy - 1:00 AM Cullum Lake, IL Hourly Weather - Partly Cloudy - 2:00 AM Cullum Lake, IL Hourly Weather - Partly Cloudy - 3:00 AM Cullum Lake, IL Hourly Weather - Partly Cloudy - 4:00 AM Cullum Lake, IL Hourly Weather - Partly Cloudy - 5:00 AM Cullum Lake, IL Hourly Weather - Partly Cloudy - 6:00 AM Cullum Lake, IL Hourly Weather - Partly Cloudy - 7:00 AM Cullum Lake, IL Hourly Weather - Partly Cloudy - 8:00 AM Cullum Lake, IL Hourly Weather - Partly Cloudy - 9:00 AM Cullum Lake, IL Hourly Weather - Partly Cloudy - 10:00 AM Cullum Lake, IL Hourly Weather - Partly Cloudy - 11:00 AM Cullum Lake, IL Hourly Weather - Mostly Clear - 12:00 PM Cullum Lake, IL Hourly Weather - Mostly Clear - 1:00 PM Cullum Lake, IL Hourly Weather - Mostly Clear - 2:00 PM Cullum Lake, IL Hourly Weather - Partly Cloudy - 3:00 PM Cullum Lake, IL Hourly Weather - Partly Cloudy - 4:00 PM Cullum Lake, IL Hourly Weather - Partly Cloudy - 5:00 PM Cullum Lake, IL Hourly Weather - Partly Cloudy - 6:00 PM Cullum Lake, IL Hourly Weather - Partly Cloudy - 7:00 PM Cullum Lake, IL Hourly Weather - Partly Cloudy - 8:00 PM
Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
84°F29°C 81°F27°C 80°F27°C 78°F26°C 77°F25°C 76°F24°C 75°F24°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 79°F26°C 83°F28°C 88°F31°C 91°F33°C 93°F34°C 96°F36°C 97°F36°C 97°F36°C 98°F37°C 96°F36°C 94°F34°C 92°F33°C 89°F32°C
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5% 5% 5% 5% 5% 6% 6% 6% 6% 6% 6% 5% 5% 5% 5% 5% 5% 1% 1% 1% 1% 1% 1% 4%
72°F22°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 70°F21°C 70°F21°C 71°F22°C 72°F22°C 73°F23°C 72°F22°C 72°F22°C 71°F22°C 70°F21°C 70°F21°C 69°F21°C 69°F21°C 70°F21°C 70°F21°C 71°F22°C
67% 74% 77% 79% 82% 82% 84% 84% 84% 87% 87% 77% 70% 61% 54% 51% 45% 42% 42% 39% 42% 46% 49% 56%
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Hour (CDT)
Weather
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POP = Probability of Precipitation. ** Indicates missing data/values from KFWC model statistics.

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Prob Precip % = Probability of Precipitation.

Cullum Lake 36 Hour Forecast

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

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