Weather Alert
Porter Lake Weather Warning NWS WEATHER ALERT FOR THE PORTER LAKE, IL AREA - SHORTTERM FORECAST Issued: 114 PM CDT Wed Aug 12 2026 Porter Lake Weather Warning

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Porter Lake, IL Weather - Hour by Hour Forecast

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Porter Lake, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 92°F33°C, dew point 76°F24°C, humidity 59%. Wind direction is SSE at 3 mph5 km/h with visibility of 10 mi16 km. Barometric pressure is 29.83 in1010 mb.
Tonight - Partly cloudy. Isolated showers and thunderstorms this evening, then scattered showers and thunderstorms after midnight. Lows in t.. Full Forecast
Thursday - Mostly sunny with isolated showers and thunderstorms. Hot with highs in the upper 90s. Southwest winds around 5 mph. Chance of rai.. Full Forecast

Porter Lake Hourly Weather

24 Hour Forecast Scroll
Wed, Aug 12
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Noon
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Porter Lake, IL Hourly Weather - Mostly Cloudy - 4:00 PM Porter Lake, IL Hourly Weather - Mostly Cloudy - 5:00 PM Porter Lake, IL Hourly Weather - Mostly Cloudy - 6:00 PM Porter Lake, IL Hourly Weather - Mostly Cloudy - 7:00 PM Porter Lake, IL Hourly Weather - Mostly Cloudy - 8:00 PM Porter Lake, IL Hourly Weather - Mostly Cloudy - 9:00 PM Porter Lake, IL Hourly Weather - Mostly Cloudy - 10:00 PM Porter Lake, IL Hourly Weather - Mostly Cloudy - 11:00 PM Porter Lake, IL Hourly Weather - Mostly Cloudy - 12:00 AM Porter Lake, IL Hourly Weather - Mostly Cloudy - 1:00 AM Porter Lake, IL Hourly Weather - Mostly Cloudy - 2:00 AM Porter Lake, IL Hourly Weather - Partly Cloudy - 3:00 AM Porter Lake, IL Hourly Weather - Partly Cloudy - 4:00 AM Porter Lake, IL Hourly Weather - Partly Cloudy - 5:00 AM Porter Lake, IL Hourly Weather - Mostly Cloudy - 6:00 AM Porter Lake, IL Hourly Weather - Mostly Cloudy - 7:00 AM Porter Lake, IL Hourly Weather - Mostly Cloudy - 8:00 AM Porter Lake, IL Hourly Weather - Mostly Cloudy - 9:00 AM Porter Lake, IL Hourly Weather - Mostly Cloudy - 10:00 AM Porter Lake, IL Hourly Weather - Mostly Cloudy - 11:00 AM Porter Lake, IL Hourly Weather - Mostly Cloudy - 12:00 PM Porter Lake, IL Hourly Weather - Mostly Cloudy - 1:00 PM Porter Lake, IL Hourly Weather - Mostly Cloudy - 2:00 PM Porter Lake, IL Hourly Weather - Mostly Clear - 3:00 PM
Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Clear
97°F36°C 94°F34°C 92°F33°C 89°F32°C 85°F29°C 82°F28°C 78°F26°C 76°F24°C 73°F23°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 71°F22°C 72°F22°C 72°F22°C 76°F24°C 81°F27°C 85°F29°C 88°F31°C 92°F33°C 95°F35°C 96°F36°C 97°F36°C
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32% 32% 32% 32% 15% 15% 15% 15% 15% 15% 9% 9% 9% 9% 9% 9% 9% 9% 9% 9% 9% 9% 3% 3%
72°F22°C 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 69°F21°C 69°F21°C 69°F21°C 70°F21°C 71°F22°C 72°F22°C 73°F23°C 73°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 73°F23°C
45% 49% 52% 57% 63% 69% 77% 82% 87% 93% 93% 93% 93% 97% 97% 100% 90% 77% 70% 63% 56% 51% 49% 46%
NW SW ESE N ENE SE S SSE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE
10 mph 10 mph 5 mph 5 mph 5 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 1 mph 1 mph 1 mph 1 mph 1 mph 1 mph 4 mph 4 mph 4 mph 5 mph 5 mph 5 mph 6 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 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
Hour (CDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KCPS model statistics.

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Prob Precip % = Probability of Precipitation.

Porter Lake 36 Hour Forecast

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

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