What is today's weather forecast for Mc Cook, IL?

Today's forecast for Mc Cook shows a low of 15 degrees Fahrenheit. Mostly cloudy, with a low around 15.

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

The 7-day forecast for Mc Cook shows highs from 14 to 32 degrees and lows from 0 to 21 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in Mc Cook, IL this week?

Yes, rain is possible in Mc Cook this week. Precipitation chances: Monday (100% chance), Wednesday (40% chance), Friday (50% chance), Saturday (50% chance).

How accurate is the Mc Cook weather forecast?

WeatherForYou provides highly accurate Mc Cook 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.

Mc Cook, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

23°F
Feels Like 23°F

Humidity 91% Dew Point 21°F Wind Calm Barometer 30.4 in.

Report from a MADIS/MESONET weather station 1.9 mi. N of central Mc Cook
at 8:57 PM Sun, Nov 30, 2025

Point Forecast at a Glance

SunNov 30

MonDec 1

100%

TueDec 2

WedDec 3

40%

ThuDec 4

FriDec 5

50%

SatDec 6

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures with a significant drop to 14°F mid-week, recovering to 28°F. Unsettled weather expected with snow likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 12°F below the historical average for December. Normal highs for this period are around 37°F with lows around 22°F.

This Date in Weather History

1875 - A severe early season cold wave set November records in the northeastern U.S. The temperature dipped to 5 above zero at New York City, 2 below at Boston MA, and 13 below at Eastport ME.

Mc Cook, IL 7 Day Weather Forecast Details

Sunday Nov 30

Night: Mostly cloudy, with a low around 15. Northwest wind around 5 mph becoming calm after midnight.

Monday Dec 1

Day: Snow, mainly after 3pm. High near 28. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Night: Snow, mainly before midnight. Low around 18. Southeast wind around 5 mph becoming west northwest after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Tuesday Dec 2

Day: Partly sunny, with a high near 24. West northwest wind 5 to 10 mph becoming southwest in the afternoon.

Night: Mostly cloudy, with a low around 18. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday Dec 3

Day: A 40 percent chance of snow after noon. Cloudy, with a high near 32.

Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 6.

Thursday Dec 4

Day: Sunny, with a high near 14.

Night: Partly cloudy, with a low around 0.

Friday Dec 5

Day: A chance of snow after noon. Mostly cloudy, with a high near 24.

Night: A chance of snow. Mostly cloudy, with a low around 17.

Saturday Dec 6

Day: Mostly cloudy, with a high near 28.

Night: A chance of snow. Mostly cloudy, with a low around 21.

Sunday Dec 7

Day: Mostly cloudy, with a high near 28.

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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