What is today's weather forecast for Portland Corners, IL?

Today's forecast for Portland Corners shows a high of 13 degrees Fahrenheit. Sunny, with a high near 13.

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

The 7-day forecast for Portland Corners shows highs from 13 to 34 degrees and lows from -4 to 27 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Portland Corners, IL this week?

Yes, rain is possible in Portland Corners this week. Precipitation chances: Saturday (60% chance), Sunday (30% chance), Monday (40% chance), Tuesday (50% chance), Wednesday (50% chance).

How accurate is the Portland Corners weather forecast?

WeatherForYou provides highly accurate Portland Corners 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.

Portland Corners, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

10°F
Feels Like 10°F

Humidity 71% Dew Point 2°F Wind Calm Barometer 30.28 in.

Report from a personal weather station 10.2 mi. N of central Portland Corners
at 4:31 PM Thu, Dec 4, 2025

Point Forecast at a Glance

ThuDec 4

FriDec 5

SatDec 6

SunDec 7

30%

-4

MonDec 8

TueDec 9

WedDec 10

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 13°F to a high of 34°F by week's end. Unsettled weather expected with snow likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 9°F below the historical average for December. Normal highs for this period are around 35°F with lows around 19°F.

This Date in Weather History

1972 - Winds gusting to 70 mph sent the temperature at Livingston, MT, plunging from 52 degrees to 18 degrees in just twenty minutes.

Portland Corners, IL 7 Day Weather Forecast Details

Thursday Dec 4

Day: Sunny, with a high near 13. Calm wind.

Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a temperature falling to near -2 by 9pm, then rising to around 8 during the remainder of the night. Wind chill values as low as -15. South wind 5 to 10 mph.

Friday Dec 5

Day: Patchy fog before 9am. Otherwise, increasing clouds, with a high near 30. Wind chill values as low as -5. South wind around 10 mph.

Night: Mostly cloudy, with a low around 19. Southwest wind 5 to 10 mph becoming west after midnight.

Saturday Dec 6

Day: Partly sunny, with a high near 28.

Night: Snow likely, mainly after midnight. Cloudy, with a low around 19. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

Sunday Dec 7

Day: A 30 percent chance of snow before noon. Partly sunny, with a high near 23.

Night: Partly cloudy, with a low around -4.

Monday Dec 8

Day: Partly sunny, with a high near 22.

Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 17.

Tuesday Dec 9

Day: Mostly cloudy, with a high near 32.

Night: A 50 percent chance of snow. Cloudy, with a low around 27.

Wednesday Dec 10

Day: A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 50%.

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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