What is today's weather forecast for Slap Out, IL?

Today's forecast for Slap Out shows a low of 24 degrees Fahrenheit. Rain and possibly a thunderstorm before 3pm, then showers, mainly between 3pm and 4pm.

What is the 7-day weather forecast for Slap Out, IL?

The 7-day forecast for Slap Out shows highs from 37 to 60 degrees and lows from 24 to 46 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Slap Out, IL this week?

Yes, rain is possible in Slap Out this week. Precipitation chances: Thursday (100% chance), Monday (20% chance), Tuesday (20% chance), Wednesday (20% chance).

How accurate is the Slap Out weather forecast?

WeatherForYou provides highly accurate Slap Out forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Slap Out, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

55°F
Feels Like 55°F

Humidity 85% Dew Point 51°F Wind S 21 MPH Gusts 28 Barometer 29.64 in.

Solar Rad 77 w/m² Visibility 10 mi.

Report from a NOAA weather station 9.9 mi. WNW of central Slap Out
at 9:35 AM Thu, Dec 18, 2025

Point Forecast at a Glance

ThuDec 18

100%

FriDec 19

SatDec 20

SunDec 21

MonDec 22

TueDec 23

WedDec 24

20%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 37°F to a high of 60°F by week's end. Unsettled weather expected with rain likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 6°F above the historical average for December. Normal highs for this period are around 43°F with lows around 26°F.

This Date in Weather History

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

Slap Out, IL 7 Day Weather Forecast Details

Thursday Dec 18

Day: Rain and possibly a thunderstorm before 3pm, then showers, mainly between 3pm and 4pm. Temperature rising to near 57 by noon, then falling to around 46 during the remainder of the day. Breezy, with a south wind 17 to 22 mph becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%.

Night: A slight chance of rain showers before 10pm, then scattered flurries between 10pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Breezy, with a west wind 9 to 14 mph increasing to 15 to 20 mph in the evening. Winds could gust as high as 31 mph. Chance of precipitation is 20%.

Friday Dec 19

Day: Sunny, with a high near 37. West wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.

Night: Partly cloudy, with a low around 29. South wind 6 to 14 mph, with gusts as high as 24 mph.

Saturday Dec 20

Day: Mostly sunny, with a high near 52. South wind 7 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

Night: Partly cloudy, with a low around 26.

Sunday Dec 21

Day: Mostly sunny, with a high near 42.

Night: Mostly cloudy, with a low around 26.

Monday Dec 22

Day: Partly sunny, with a high near 45.

Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39.

Tuesday Dec 23

Day: Mostly cloudy, with a high near 57.

Night: A 20 percent chance of rain. Mostly cloudy, with a low around 46.

Wednesday Dec 24

Day: A 20 percent chance of rain. Mostly cloudy, with a high near 60.

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.

Your favorites: