Sullivan, IL Weather Forecast and Current Conditions

WEATHER ALERTS - Dense Fog Advisory

Current Conditions From Nearby Local Station

42°F
Feels Like 39°F  
Humidity 99% Dew Point 41°F Wind S 5 MPH Gusts 8 Barometer 29.44 in.
Report from a personal weather station 1.6 mi. E of central Sullivan
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Point Forecast at a Glance

MonNov 24
Mon Nov 24: Rain, High 52F, Low 46F
20%
52
46
TueNov 25
Tue Nov 25: Rain, High 58F, Low 33F
30%
58
33
WedNov 26
Wed Nov 26: Partly Sunny, High 41F, Low 22F
41
22
ThuNov 27
Thu Nov 27: Sunny, High 36F, Low 17F
36
17
FriNov 28
Fri Nov 28: Mostly Sunny, High 35F, Low 23F
35
23
SatNov 29
Sat Nov 29: Rain And Snow, High 37F, Low 31F
50%
37
31
SunNov 30
Sun Nov 30: Rain, High 43F
50%
43
 

7-Day Temperature Trend

Week Ahead Summary

High temperatures start near 52°F, reaching 58°F before cooling to 35°F, then recovering to 43°F by week's end. Unsettled weather expected with rain on most days, including one day with wintry mix.

Climate Context

This week's forecast shows temperatures running 9°F below the historical average for November. Normal highs for this period are around 52°F with lows around 33°F.

This Date in Weather History

1812 - Southwesterly winds of hurricane force sank ships and unroofed buildings at Philadelphia and New York City.

More on this and other weather history

Sullivan, IL 7 Day Weather Forecast Details

Monday Nov 24

Rain

Day: A 20 percent chance of rain after 2pm. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 52. South southeast wind 7 to 10 mph, with gusts as high as 16 mph.

Rain

Night: Rain, mainly after 9pm. Low around 46. South southeast wind 5 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Nov 25

Rain

Day: A 30 percent chance of rain. Mostly cloudy, with a high near 58. Light and variable wind becoming west southwest 5 to 7 mph in the morning.

Mostly Cloudy

Night: Mostly cloudy, with a low around 33. West wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 30 mph.

Wednesday Nov 26

Partly Sunny

Day: Partly sunny, with a high near 41. Breezy, with a west wind 15 to 22 mph, with gusts as high as 37 mph.

Mostly Clear

Night: Mostly clear, with a low around 22. West northwest wind 10 to 13 mph, with gusts as high as 24 mph.

Thursday Nov 27

Sunny

Day: Sunny, with a high near 36. West northwest wind 9 to 14 mph, with gusts as high as 23 mph.

Mostly Clear

Night: Mostly clear, with a low around 17.

Friday Nov 28

Mostly Sunny

Day: Mostly sunny, with a high near 35.

Snow

Night: A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 23.

Saturday Nov 29

Rain And Snow

Day: Rain and snow likely. Mostly cloudy, with a high near 37.

Rain Likely

Night: Rain likely. Cloudy, with a low around 31.

Sunday Nov 30

Rain

Day: A chance of rain. Mostly cloudy, with a high near 43.


About Sullivan, IL

Sullivan is the largest city and the county seat of Moultrie County, Illinois, United States. The population was 4,413 at the time of the 2020 census. Sullivan is named after Sullivan's Island, South Carolina, where Fort Moultrie is located.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.