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

Today's forecast for Olney shows a high of 42 degrees and a low of 27 degrees Fahrenheit. Mostly sunny, with a high near 42.

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

The 7-day forecast for Olney shows highs from 31 to 42 degrees and lows from 18 to 31 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Olney, IL this week?

Yes, rain is possible in Olney this week. Precipitation chances: Saturday (90% chance), Sunday (40% chance), Monday (50% chance), Tuesday (50% chance).

How accurate is the Olney weather forecast?

WeatherForYou provides highly accurate Olney 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.

Olney, IL Weather Forecast and Current Conditions

WEATHER ALERTS - Wind Advisory

Current Conditions From Nearby Station

Switch to Metric Units

42°F
Feels Like 34°F

Humidity 56% Dew Point 27°F Wind W 17 MPH Gusts 26 Barometer 30.14 in.

Solar Rad 109 w/m² Visibility 10 mi.

Report from a NOAA weather station 5.4 mi. W of central Olney
at 12:50 PM Wed, Nov 26, 2025

Point Forecast at a Glance

WedNov 26

ThuNov 27

FriNov 28

SatNov 29

70%

SunNov 30

40%

MonDec 1

50%

TueDec 2

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 31°F to 42°F. Unsettled weather expected with wintry mix likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 10°F below the historical average for November-December. Normal highs for this period are around 48°F with lows around 31°F.

This Date in Weather History

1896 - Snow and high winds hit the Northern Plains and the Upper Mississippi Valley, with a Thanksgiving Day blizzard across North Dakota. The storm was followed by a severe cold wave in the Upper Midwest. The temperature at Pokegama Dam MI plunged to 45 degrees below zero.

Olney, IL 7 Day Weather Forecast Details

Wednesday Nov 26

Day: Mostly sunny, with a high near 42. Breezy, with a west wind 15 to 23 mph, with gusts as high as 36 mph.

Night: Partly cloudy, with a low around 27. West northwest wind 11 to 13 mph, with gusts as high as 24 mph.

Thursday Nov 27

Day: Sunny, with a high near 40. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.

Night: Mostly clear, with a low around 20. West northwest wind 5 to 7 mph.

Friday Nov 28

Day: Sunny, with a high near 37. Northwest wind around 6 mph becoming calm in the afternoon.

Night: Increasing clouds, with a low around 24. Calm wind becoming southeast 5 to 7 mph after midnight.

Saturday Nov 29

Day: A chance of snow before noon, then rain and snow likely. Cloudy, with a high near 39. South southeast wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Night: Rain. Low around 31. Chance of precipitation is 90%.

Sunday Nov 30

Day: A 40 percent chance of rain. Mostly cloudy, with a high near 40.

Night: A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.

Monday Dec 1

Day: A chance of rain and snow. Mostly cloudy, with a high near 31.

Night: A chance of rain and snow. Mostly cloudy, with a low around 18.

Tuesday Dec 2

Day: A chance of rain and snow. Mostly sunny, with a high near 34.

About Olney, IL

Olney ( AWL-nee) is the county seat in Richland County, Illinois. The population was 9,115 at the time of 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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