Weather Alert
Lyons South High School Weather Warning NWS WEATHER ALERT FOR THE LYONS SOUTH HIGH SCHOOL, IL AREA - Issued: 1056 AM CDT Sat Aug 22 2026 Lyons South High School Weather Warning

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Lyons South High School, IL Weather - Hour by Hour Forecast

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Lyons South High School, IL Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Cumulonimbus Clouds. Temperature is 80°F27°C, dew point 59°F15°C, humidity 48%. Wind direction is WNW at 14 mph23 km/h with visibility of 10 mi16 km. Barometric pressure is 29.94 in1014 mb.
Today - Mostly sunny early in the afternoon, then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. N.. Full Forecast
Tonight - Mostly clear. Lows in the lower 60s. Northwest winds 5 to 10 mph... Full Forecast

Lyons South High School Hourly Weather

24 Hour Forecast Scroll
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Lyons South High School, IL Hourly Weather - Partly Cloudy - 2:00 PM Lyons South High School, IL Hourly Weather - Partly Cloudy - 3:00 PM Lyons South High School, IL Hourly Weather - Partly Cloudy - 4:00 PM Lyons South High School, IL Hourly Weather - Partly Cloudy - 5:00 PM Lyons South High School, IL Hourly Weather - Partly Cloudy - 6:00 PM Lyons South High School, IL Hourly Weather - Partly Cloudy - 7:00 PM Lyons South High School, IL Hourly Weather - Partly Cloudy - 8:00 PM Lyons South High School, IL Hourly Weather - Partly Cloudy - 9:00 PM Lyons South High School, IL Hourly Weather - Partly Cloudy - 10:00 PM Lyons South High School, IL Hourly Weather - Partly Cloudy - 11:00 PM Lyons South High School, IL Hourly Weather - Mostly Clear - 12:00 AM Lyons South High School, IL Hourly Weather - Mostly Clear - 1:00 AM Lyons South High School, IL Hourly Weather - Mostly Clear - 2:00 AM Lyons South High School, IL Hourly Weather - Clear - 3:00 AM Lyons South High School, IL Hourly Weather - Clear - 4:00 AM Lyons South High School, IL Hourly Weather - Clear - 5:00 AM Lyons South High School, IL Hourly Weather - Mostly Clear - 6:00 AM Lyons South High School, IL Hourly Weather - Mostly Clear - 7:00 AM Lyons South High School, IL Hourly Weather - Mostly Clear - 8:00 AM Lyons South High School, IL Hourly Weather - Mostly Clear - 9:00 AM Lyons South High School, IL Hourly Weather - Mostly Clear - 10:00 AM Lyons South High School, IL Hourly Weather - Mostly Clear - 11:00 AM Lyons South High School, IL Hourly Weather - Partly Cloudy - 12:00 PM Lyons South High School, IL Hourly Weather - Partly Cloudy - 1:00 PM
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 Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy
78°F26°C 79°F26°C 79°F26°C 78°F26°C 76°F24°C 75°F24°C 74°F23°C 73°F23°C 72°F22°C 71°F22°C 70°F21°C 69°F21°C 68°F20°C 67°F19°C 66°F19°C 66°F19°C 65°F18°C 65°F18°C 68°F20°C 70°F21°C 73°F23°C 75°F24°C 76°F24°C 78°F26°C
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12% 12% 12% 12% 12% 12% 8% 8% 8% 8% 8% 8% 3% 3% 3% 3% 3% 3% 1% 1% 1% 1% 1% 1%
59°F15°C 59°F15°C 59°F15°C 59°F15°C 59°F15°C 59°F15°C 59°F15°C 58°F14°C 58°F14°C 58°F14°C 57°F14°C 57°F14°C 57°F14°C 56°F13°C 56°F13°C 56°F13°C 55°F13°C 55°F13°C 54°F12°C 54°F12°C 53°F12°C 53°F12°C 52°F11°C 52°F11°C
52% 50% 50% 52% 56% 58% 60% 59% 61% 64% 63% 66% 68% 68% 70% 70% 70% 70% 61% 57% 50% 46% 43% 40%
NW NW NW NW NW WNW NW NW NNW NNW N N N N NNW NNW NNW NW NNW NNW NNW NNW N N
13 mph 11 mph 11 mph 11 mph 10 mph 10 mph 10 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 10 mph 10 mph 10 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
Clouds
Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KMDW model statistics.

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Prob Precip % = Probability of Precipitation.

Lyons South High School 36 Hour Forecast

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

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