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

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Waltonville Lake, IL Weather - Hour by Hour Forecast

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Waltonville Lake, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 88°F31°C, dew point 75°F24°C, humidity 66%. Wind direction is S at 10 mph16 km/h with visibility of 10.00 mi16 km. Barometric pressure is 29.94 in1014 mb.
Tonight - Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph... Full Forecast
Monday - Mostly sunny. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Highest heat index readings heat index readings up to 10.. Full Forecast

Waltonville Lake Hourly Weather

24 Hour Forecast Scroll
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Waltonville Lake, IL Hourly Weather - Partly Cloudy - 6:00 PM Waltonville Lake, IL Hourly Weather - Partly Cloudy - 7:00 PM Waltonville Lake, IL Hourly Weather - Partly Cloudy - 8:00 PM Waltonville Lake, IL Hourly Weather - Mostly Clear - 9:00 PM Waltonville Lake, IL Hourly Weather - Mostly Clear - 10:00 PM Waltonville Lake, IL Hourly Weather - Mostly Clear - 11:00 PM Waltonville Lake, IL Hourly Weather - Clear - 12:00 AM Waltonville Lake, IL Hourly Weather - Clear - 1:00 AM Waltonville Lake, IL Hourly Weather - Clear - 2:00 AM Waltonville Lake, IL Hourly Weather - Clear - 3:00 AM Waltonville Lake, IL Hourly Weather - Clear - 4:00 AM Waltonville Lake, IL Hourly Weather - Clear - 5:00 AM Waltonville Lake, IL Hourly Weather - Clear - 6:00 AM Waltonville Lake, IL Hourly Weather - Clear - 7:00 AM Waltonville Lake, IL Hourly Weather - Clear - 8:00 AM Waltonville Lake, IL Hourly Weather - Mostly Clear - 9:00 AM Waltonville Lake, IL Hourly Weather - Mostly Clear - 10:00 AM Waltonville Lake, IL Hourly Weather - Mostly Clear - 11:00 AM Waltonville Lake, IL Hourly Weather - Mostly Clear - 12:00 PM Waltonville Lake, IL Hourly Weather - Mostly Clear - 1:00 PM Waltonville Lake, IL Hourly Weather - Mostly Clear - 2:00 PM Waltonville Lake, IL Hourly Weather - Mostly Clear - 3:00 PM Waltonville Lake, IL Hourly Weather - Mostly Clear - 4:00 PM Waltonville Lake, IL Hourly Weather - Mostly Clear - 5:00 PM
Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear
89°F32°C 88°F31°C 85°F29°C 81°F27°C 78°F26°C 77°F25°C 76°F24°C 75°F24°C 74°F23°C 74°F23°C 73°F23°C 73°F23°C 74°F23°C 74°F23°C 79°F26°C 83°F28°C 88°F31°C 91°F33°C 94°F34°C 97°F36°C 98°F37°C 98°F37°C 99°F37°C 97°F36°C
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0% 0% 1% 1% 1% 1% 1% 1% 2% 2% 2% 2% 2% 2% 6% 6% 6% 6% 6% 6% 1% 1% 1% 1%
72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 71°F22°C 73°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 73°F23°C 73°F23°C 73°F23°C
57% 59% 65% 74% 82% 85% 85% 87% 90% 87% 90% 90% 87% 87% 77% 72% 63% 58% 53% 48% 47% 45% 44% 46%
S S S S S SSE SSE SW SW SW SW SW SSE SSE SW SW SW SW SW SW SW SW SW SW
9 mph 9 mph 9 mph 7 mph 7 mph 7 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 10 mph 10 mph 10 mph 14 mph 14 mph 14 mph 12 mph 12 mph 12 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
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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.

Waltonville Lake 36 Hour Forecast

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

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