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Greenville Weather Warning NWS WEATHER ALERT FOR THE GREENVILLE, IL AREA - Issued: 249 PM CDT Fri Sep 4 2026 Greenville Weather Warning

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62246 Weather (Greenville, IL)

Greenville, IL WeatherCurrent Conditions and Weather for Greenville, Illinois
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Partly Cloudy at Greenville (62246), temperature is 98°F37°C, dew point 69°F21°C, humidity 38%. Wind direction is N/A at N/A mphat 0 km/h with visibility of 10 mi16 km. Barometric pressure is 29.94 in1014 mb. Last update: 4:17 pm.*
*Time is approximately 4:17 pm Fri, Sep 04, 2026. Time will be within 15 minutes of current local time. Greenville weather forecast data is updated every 15 minutes.

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The Visitor - I can enter your home 'cause I bring my own light, I will find you there sleeping through the long night, The closer I get the louder I seem, I am lightning I am thunder I will enter your dream. ―Guy Lawrence
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Greenville IL Weather - 5:17 pm

Greenville Weather Forecast

Weather forecast for: Greenville IL
Last Update: 2:51 pm CDT Sep 4, 2026
Tonight: Mostly clear, with a low around 75. Calm wind.
Saturday: Sunny and hot, with a high near 99. Heat index values as high as 106. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night: Mostly clear, with a low around 71. Calm wind becoming northeast around 5 mph after midnight.
Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 91. Northeast wind 5 to 8 mph.
Sunday Night: Mostly clear, with a low around 64. Northeast wind 3 to 8 mph.
Labor Day: Sunny, with a high near 90.
Monday Night: Mostly clear, with a low around 65.
Tuesday: Sunny, with a high near 95.
Tuesday Night: Mostly clear, with a low around 73.
Wednesday: Sunny and hot, with a high near 100.
Wednesday Night: A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 73.
Thursday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Thursday Night: Partly cloudy, with a low around 65.
Friday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 90.

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