Mount Vernon, IL Weather Forecast and Current Conditions (62864)
Feels Like 57°F
Current Weather
Feels Like 57°F
Forecast at a Glance
This Date in Weather History
1987 - Thunderstorms developing along a stationary front produced heavy rain across the Southern Atlantic Coast States. Up to eight inches was reported north of Charleston SC. Serious flooding was reported in Monks Corner SC. Seven cities in the northeastern U.S. reported record low temperatures for the date. Houlton ME dipped to 32 degrees.
More on this and other weather history
Mount Vernon 7 Day Weather Forecast Details
Thursday Sep 4
Night: Clear. Low around 57, with temperatures rising to around 60 overnight. Southeast wind 0 to 5 mph.
Friday Sep 5
Day: A slight chance of rain showers after 4pm. Mostly sunny. High near 79, with temperatures falling to around 73 in the afternoon. West northwest wind 5 to 10 mph. Chance of precipitation is 20%.
Night: A chance of rain showers. Mostly cloudy, with a low around 53. North northwest wind 2 to 10 mph. Chance of precipitation is 50%.
Saturday Sep 6
Day: A chance of rain showers before 7am. Sunny, with a high near 78. Northwest wind 2 to 8 mph. Chance of precipitation is 40%.
Night: Mostly clear, with a low around 49. West northwest wind 1 to 6 mph.
Sunday Sep 7
Day: Sunny, with a high near 77. North northwest wind 2 to 8 mph.
Night: Clear, with a low around 45. North northeast wind 1 to 6 mph.
Monday Sep 8
Day: Sunny, with a high near 80. East northeast wind around 3 mph.
Night: Mostly clear, with a low around 48. East wind around 3 mph.
Tuesday Sep 9
Day: Sunny, with a high near 84. East southeast wind 2 to 6 mph.
Night: Mostly clear, with a low around 54. East southeast wind around 5 mph.
Wednesday Sep 10
Day: Sunny, with a high near 89. South wind around 5 mph.
Night: Mostly clear, with a low around 59. East southeast wind around 3 mph.
Thursday Sep 11
Day: Sunny, with a high near 91. East northeast wind 2 to 6 mph.
Sun & Moon Monthly
Sunrise 6:29 AM
Sunset 7:22 PM
Last Light 7:49 PM
Moonset 2:43 AM
Contiguous United States Extremes
Thu's High Temperature
112 at Death Valley, CA and 16 Miles Southwest If Tecopa, CA
Thu's Low Temperature
28 at Peter Sinks, UT
Weather Folklore
Ropes shorten before a rain.
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About Mount Vernon, Illinois
Mount Vernon is a city in Jefferson County, Illinois, United States, and its county seat. The population was 14,600 at the 2020 census. Mount Vernon is the principal city of the Mount Vernon, Illinois micropolitan area, which includes all of Jefferson and Hamilton counties.
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