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Lacon Weather Warning NWS WEATHER ALERT FOR THE LACON, IL AREA - Issued: 329 PM CDT Sat Sep 5 2026 Lacon Weather Warning

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61540 Weather (Lacon, IL)

Lacon, IL WeatherCurrent Conditions and Weather for Lacon, Illinois
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Mostly Cloudy at Lacon (61540), temperature is 88°F31°C, dew point 74°F23°C, humidity 62%. Wind direction is NE at 5 mphat 8 km/h with visibility of 10 mi16 km. Barometric pressure is 29.92 in1013 mb. Last update: 4:59 pm.*
*Time is approximately 4:59 pm Sat, Sep 05, 2026. Time will be within 15 minutes of current local time. Lacon weather forecast data is updated every 15 minutes.

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Lacon IL Weather - 5:59 pm

Lacon Weather Forecast

Weather forecast for: Lacon IL
Last Update: 4:36 pm CDT Sep 5, 2026
Tonight: Partly cloudy, with a low around 65. Northeast wind 3 to 8 mph. Winds could gust as high as 15 mph.
Sunday: Mostly sunny, with a high near 84. East northeast wind 3 to 8 mph.
Sunday Night: Mostly clear, with a low around 59. East wind around 6 mph becoming calm after midnight.
Labor Day: Sunny, with a high near 83. Calm wind becoming east southeast 5 to 7 mph in the morning.
Monday Night: Mostly clear, with a low around 61. East wind 3 to 5 mph.
Tuesday: Mostly sunny, with a high near 90. South wind 3 to 8 mph. Winds could gust as high as 16 mph.
Tuesday Night: Mostly clear, with a low around 73. South wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday: Mostly sunny, with a high near 91.
Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Thursday: Mostly sunny, with a high near 82.
Thursday Night: Partly cloudy, with a low around 59.
Friday: Sunny, with a high near 83.
Friday Night: Mostly clear, with a low around 61.
Saturday: Sunny, with a high near 87.

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