Monroe County, IL Weather Tomorrow

The Monroe County weather tomorrow and 5 day forecast provides precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction throughout the Monroe County area.
Updated: Wed Oct 14th 2026 6:30 PM CDT
Monroe County, IL Weather – 10-14 – Scattered Showers
79° / 71°
Scattered Showers
In Monroe County, scattered showers are likely with a high near 79°F and a low around 71°F. The chance of rain is 90% with an estimated 0.47in. Winds will be light at 8mph and gusts of 8.5mph at 7 PM. High humidity with average of 87% is anticipated, the maximum being 93% at 11 PM and 88% being its lowest at 7 PM. Barometric pressure is its highest of 30.02inHg at 7 PM, a lowest point of 29.99inHg at 10 PM with an avg 30.01inHg.
Monroe County, IL Weather – 10-15 – Overcast
86° / 70°

Weather Tomorrow

Overcast
Monroe County may see overcast, with daytime highs of 86°F and overnight lows near 70°F. The chance of rain is 86% with an estimated 0.38in. Wind will be moderate, blowing around 15mph on average and gusts of 27.7mph at 11 PM. High humidity with average of 82% is anticipated, the maximum being 98% at 6 AM and 54% being its lowest at 2 PM. Barometric pressure is its highest of 30.01inHg at 12 AM, a lowest point of 29.88inHg at 2 PM with an avg 29.94inHg.
Monroe County, IL Weather – 10-16 – Scattered Showers
69° / 47°
Scattered Showers
Passing showers are in the forecast for Monroe County, with a high of 69°F and a low of 47°F. The chance of rain is 78% with an estimated 0.35in. Wind will be moderate, blowing around 20mph on average and gusts of 28.9mph at 3 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 94% at 12 AM and 52% being its lowest at 11 AM. Barometric pressure is its highest of 30.41inHg at 11 PM, a lowest point of 29.89inHg at 12 AM with an avg 30.19inHg.
Monroe County, IL Weather – 10-17 – Sunny
61° / 47°
Sunny
Monroe County may see a sunny day, with daytime highs of 61°F and overnight lows near 47°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 15mph on average and gusts of 21.3mph at 1 AM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 73% at 1 AM and 41% being its lowest at 4 PM. Barometric pressure is its highest of 30.54inHg at 10 AM, a lowest point of 30.4inHg at 5 PM with an avg 30.45inHg.
Monroe County, IL Weather – 10-18 – Sunny
68° / 44°
Sunny
Monroe County may see a sunny day, with daytime highs of 68°F and overnight lows near 44°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 9mph and gusts of 17.7mph at 7 PM. Humidity levels should be comfortable, sitting around 51% on average, the maximum being 69% at 3 AM and 26% being its lowest at 3 PM. Barometric pressure is its highest of 30.42inHg at 9 AM, a lowest point of 30.26inHg at 5 PM with an avg 30.35inHg.
Monroe County, IL Weather – 10-19 – Overcast
70° / 48°
Overcast
In Monroe County, skies will be overcast with highs near 70°F and lows around 48°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 9mph and gusts of 16.3mph at 3 AM. Humidity levels should be comfortable, sitting around 48% on average, the maximum being 65% at 7 AM and 30% being its lowest at 4 PM. Barometric pressure is its highest of 30.34inHg at 8 AM, a lowest point of 30.25inHg at 5 PM with an avg 30.3inHg.

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