Sumpter, IL Weather Forecast and Current Conditions

WEATHER ALERTS - Special Weather Statement

Current Conditions From Nearby Station

54°F
Feels Like 54°F  
Humidity 71% Dew Point 44°F Wind SSE 7 MPH Gusts 12 Barometer 29.75 in.
Report from a personal weather station 9.2 mi. NNE of central Sumpter
at

Point Forecast at a Glance

ThuDec 18
Thu Dec 18: Showers, High 55F, Low 26F
100%
55
26
FriDec 19
Fri Dec 19: Sunny, High 38F, Low 28F
38
28
SatDec 20
Sat Dec 20: Mostly Sunny, High 53F, Low 26F
53
26
SunDec 21
Sun Dec 21: Sunny, High 43F, Low 26F
43
26
MonDec 22
Mon Dec 22: Partly Sunny, High 46F, Low 40F
46
40
TueDec 23
Tue Dec 23: Showers, High 56F, Low 49F
50%
56
49
WedDec 24
Wed Dec 24: Mostly Cloudy, High 61F
61
 

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7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 38°F to a high of 61°F by week's end. Some rain possible with at least 3 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 5°F above the historical average for December. Normal highs for this period are around 45°F with lows around 27°F.

This Date in Weather History

1957 - A tornado swept across Jackson County, Williamson County and Franklin County in southern Illinois killing eleven persons.

More on this and other weather history

Sumpter, IL 7 Day Weather Forecast Details

Thursday Dec 18

Showers

Day: Showers, mainly before 5pm. Temperature rising to near 55 by 11am, then falling to around 46 during the remainder of the day. Breezy, with a south wind 10 to 15 mph becoming south 18 to 23 mph. Winds could gust as high as 40 mph. Chance of precipitation is 100%.

Mostly Cloudy

Night: Mostly cloudy, with a low around 26. Blustery, with a west northwest wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 31 mph.

Friday Dec 19

Sunny

Day: Sunny, with a high near 38. West northwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

Mostly Clear

Night: Mostly clear, with a low around 28. Light south wind increasing to 6 to 11 mph in the evening. Winds could gust as high as 21 mph.

Saturday Dec 20

Mostly Sunny

Day: Mostly sunny, with a high near 53. South southwest wind 7 to 16 mph, with gusts as high as 24 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 26. West southwest wind around 6 mph becoming north northwest after midnight.

Sunday Dec 21

Sunny

Day: Sunny, with a high near 43. North northwest wind 3 to 6 mph.

Partly Cloudy

Night: Partly cloudy, with a low around 26. Calm wind becoming east southeast around 5 mph after midnight.

Monday Dec 22

Partly Sunny

Day: Partly sunny, with a high near 46. Southeast wind 5 to 7 mph.

Showers

Night: A slight chance of showers. Mostly cloudy, with a low around 40. South southwest wind around 7 mph.

Tuesday Dec 23

Showers

Day: A slight chance of showers. Mostly cloudy, with a high near 56. South southwest wind 7 to 10 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 49. South southwest wind around 6 mph.

Wednesday Dec 24

Mostly Cloudy

Day: Mostly cloudy, with a high near 61. South wind 6 to 8 mph.

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.