Weather Alert
Smith Lake Weather Warning NWS WEATHER ALERT FOR THE SMITH LAKE, IL AREA - Issued: 447 AM CDT Fri Sep 11 2026 Smith Lake Weather Warning

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Smith Lake, IL Weather - Hour by Hour Forecast

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Smith Lake, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 74°F23°C, dew point 66°F19°C, humidity 76%. Wind direction is VRB at 6 mph10 km/h with visibility of 10 mi16 km. Barometric pressure is 30.02 in1017 mb.
Rest of Today - Partly sunny. Highs in the lower 80s. Southeast winds around 5 mph... Full Forecast
Tonight - Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Southeast winds around 5 mph... Full Forecast

Smith Lake Hourly Weather

24 Hour Forecast Scroll
Fri, Sep 11
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Smith Lake, IL Hourly Weather - Cloudy - 10:00 AM Smith Lake, IL Hourly Weather - Cloudy - 11:00 AM Smith Lake, IL Hourly Weather - Mostly Cloudy - 12:00 PM Smith Lake, IL Hourly Weather - Mostly Cloudy - 1:00 PM Smith Lake, IL Hourly Weather - Mostly Cloudy - 2:00 PM Smith Lake, IL Hourly Weather - Mostly Cloudy - 3:00 PM Smith Lake, IL Hourly Weather - Mostly Cloudy - 4:00 PM Smith Lake, IL Hourly Weather - Mostly Cloudy - 5:00 PM Smith Lake, IL Hourly Weather - Partly Cloudy - 6:00 PM Smith Lake, IL Hourly Weather - Partly Cloudy - 7:00 PM Smith Lake, IL Hourly Weather - Partly Cloudy - 8:00 PM Smith Lake, IL Hourly Weather - Clear - 9:00 PM Smith Lake, IL Hourly Weather - Clear - 10:00 PM Smith Lake, IL Hourly Weather - Clear - 11:00 PM Smith Lake, IL Hourly Weather - Mostly Cloudy - 12:00 AM Smith Lake, IL Hourly Weather - Mostly Cloudy - 1:00 AM Smith Lake, IL Hourly Weather - Mostly Cloudy - 2:00 AM Smith Lake, IL Hourly Weather - Clear - 3:00 AM Smith Lake, IL Hourly Weather - Clear - 4:00 AM Smith Lake, IL Hourly Weather - Clear - 5:00 AM Smith Lake, IL Hourly Weather - Clear - 6:00 AM Smith Lake, IL Hourly Weather - Clear - 7:00 AM Smith Lake, IL Hourly Weather - Clear - 8:00 AM Smith Lake, IL Hourly Weather - Clear - 9:00 AM
Cloudy Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear Clear Mostly Cloudy Mostly Cloudy Mostly Cloudy Clear Clear Clear Clear Clear Clear Clear
73°F23°C 75°F24°C 78°F26°C 80°F27°C 81°F27°C 82°F28°C 83°F28°C 81°F27°C 80°F27°C 78°F26°C 76°F24°C 74°F23°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 69°F21°C 68°F20°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 71°F22°C 75°F24°C
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2% 2% 2% 2% 0% 0% 0% 0% 0% 0% 4% 4% 4% 4% 4% 4% 3% 3% 3% 3% 3% 3% 2% 2%
68°F20°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C 66°F19°C 66°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C 65°F18°C 65°F18°C 66°F19°C 68°F20°C
84% 76% 69% 62% 60% 57% 55% 60% 62% 69% 74% 79% 84% 87% 87% 90% 90% 93% 93% 93% 93% 93% 84% 79%
SE SE SE SE SE SE SE SE SE SE SE SE SE SE SSE SSE S S S SSE SSE SW SW SW
6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 5 mph 4 mph 4 mph 4 mph 3 mph 3 mph 3 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 6 mi10 km 6 mi10 km 6 mi10 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 KSPI model statistics.

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Prob Precip % = Probability of Precipitation.

Smith Lake 36 Hour Forecast

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

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