Weather Alert
Lake Jaycee Weather Warning NWS WEATHER ALERT FOR THE LAKE JAYCEE, IL AREA - Issued: 135 AM CDT Wed Aug 19 2026 Lake Jaycee Weather Warning

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Lake Jaycee, IL Weather - Hour by Hour Forecast

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Lake Jaycee, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Light Rain. Temperature is 72°F22°C, dew point 70°F21°C, humidity 93%. Wind direction is S at 6 mph10 km/h with visibility of 10 mi16 km. Barometric pressure is 29.98 in1015 mb.
Today - Mostly cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers with a slight c.. Full Forecast
Tonight - Mostly cloudy with a chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 60s. Northeast winds around.. Full Forecast

Lake Jaycee Hourly Weather

24 Hour Forecast Scroll
Wed, Aug 19
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Lake Jaycee, IL Hourly Weather - Cloudy - 8:00 AM Lake Jaycee, IL Hourly Weather - Cloudy - 9:00 AM Lake Jaycee, IL Hourly Weather - Cloudy - 10:00 AM Lake Jaycee, IL Hourly Weather - Cloudy - 11:00 AM Lake Jaycee, IL Hourly Weather - Cloudy - 12:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 1:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 2:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 3:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 4:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 5:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 6:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 7:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 8:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 9:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 10:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 11:00 PM Lake Jaycee, IL Hourly Weather - Cloudy - 12:00 AM Lake Jaycee, IL Hourly Weather - Cloudy - 1:00 AM Lake Jaycee, IL Hourly Weather - Cloudy - 2:00 AM Lake Jaycee, IL Hourly Weather - Cloudy - 3:00 AM Lake Jaycee, IL Hourly Weather - Cloudy - 4:00 AM Lake Jaycee, IL Hourly Weather - Cloudy - 5:00 AM Lake Jaycee, IL Hourly Weather - Cloudy - 6:00 AM Lake Jaycee, IL Hourly Weather - Cloudy - 7:00 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
71°F22°C 73°F23°C 74°F23°C 77°F25°C 79°F26°C 82°F28°C 82°F28°C 82°F28°C 82°F28°C 81°F27°C 79°F26°C 78°F26°C 76°F24°C 75°F24°C 73°F23°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
55% 55% 55% 55% 55% 55% 29% 29% 29% 29% 29% 29% 36% 36% 36% 36% 36% 36% 32% 32% 32% 32% 32% 32%
70°F21°C 70°F21°C 71°F22°C 72°F22°C 72°F22°C 73°F23°C 73°F23°C 74°F23°C 74°F23°C 74°F23°C 75°F24°C 75°F24°C 74°F23°C 74°F23°C 73°F23°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C
97% 90% 90% 85% 79% 74% 74% 77% 77% 79% 88% 91% 94% 97% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
SW SW SW SW S S S S S SSE SE E E E E E E E ENE ENE NE NE NE NE
2 mph 6 mph 6 mph 6 mph 4 mph 4 mph 4 mph 6 mph 6 mph 6 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 1 mph 1 mph 1 mph 1 mph 1 mph
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 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 5 mi8 km 3 mi5 km .5 mi1 km .5 mi1 km .5 mi1 km .5 mi1 km .5 mi1 km .25 mi0 km .25 mi0 km
Hour (CDT)
Weather
Clouds
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KMVN model statistics.

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Prob Precip % = Probability of Precipitation.

Lake Jaycee 36 Hour Forecast

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

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