What is today's weather forecast for Simpson, IL?

Today's forecast for Simpson shows a high of 59 degrees and a low of 54 degrees Fahrenheit. Showers, mainly before 3pm.

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

The 7-day forecast for Simpson shows highs from 56 to 69 degrees and lows from 39 to 54 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Simpson, IL this week?

Yes, rain is possible in Simpson this week. Precipitation chances: Thursday (90% chance), Friday (100% chance), Sunday (50% chance), Monday (50% chance), Tuesday (50% chance).

How accurate is the Simpson weather forecast?

WeatherForYou provides highly accurate Simpson 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.

Simpson, IL Weather Forecast and Current Conditions

Current Conditions

Switch to Metric Units

50°F
Feels Like 50°F

Humidity 99% Dew Point 50°F Wind SE 1 MPH Gusts 2 Barometer 29.96 in.761 mm

Solar Rad 45 w/m²

Report from a personal weather station 19.2 miles S of central Simpson
at 11:01 AM Thu, Nov 20, 2025

Point Forecast at a Glance

ThuNov 20

90%

FriNov 21

100%

SatNov 22

SunNov 23

MonNov 24

50%

TueNov 25

50%

WedNov 26

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 56°F to 69°F. Unsettled weather expected with rain likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 5°F above the historical average for November. Normal highs for this period are around 57°F with lows around 36°F.

This Date in Weather History

1900 - An unusual tornado outbreak in the Lower Mississippi Valley resulted in 73 deaths and extensive damage across Arkansas, Mississippi and Tennessee.

Simpson, IL 7 Day Weather Forecast Details

Thursday Nov 20

Day: Showers, mainly before 3pm. Patchy fog after 5pm. High near 59. East southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 90%.

Night: Showers, with thunderstorms also possible after 3am. Widespread fog, mainly between 11pm and midnight. Low around 54. Calm wind. Chance of precipitation is 90%.

Friday Nov 21

Day: Showers and possibly a thunderstorm. High near 69. Calm wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 100%.

Night: Showers and possibly a thunderstorm before midnight, then a slight chance of showers. Low around 50. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%.

Saturday Nov 22

Day: Mostly sunny, with a high near 61. North wind 3 to 6 mph.

Night: Mostly clear, with a low around 39. Calm wind.

Sunday Nov 23

Day: Mostly sunny, with a high near 63. Light and variable wind.

Night: A slight chance of showers. Mostly cloudy, with a low around 44. Calm wind.

Monday Nov 24

Day: A chance of showers. Mostly cloudy, with a high near 62. Calm wind becoming southeast around 6 mph in the morning.

Night: Showers. Mostly cloudy, with a low around 50. South wind 3 to 6 mph.

Tuesday Nov 25

Day: A chance of showers. Partly sunny, with a high near 63. South wind 5 to 9 mph becoming west in the afternoon.

Night: Partly cloudy, with a low around 43. Light west wind.

Wednesday Nov 26

Day: Partly sunny, with a high near 56. Northwest wind 3 to 7 mph.

About Simpson, IL

Simpson is a village in Johnson County, Illinois, United States. The population was 60 at the 2010 census.

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.

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