County Forecast for Monmouth , IL
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272000-
Warren-
Including the city of Monmouth
636 AM CST Sat Dec 27 2025

..dense fog advisory remains in effect until noon cst today   
Today   Cloudy. Areas of dense fog this morning, then patchy fog this afternoon. Highs in the lower 50s. Southeast winds 10 to 15 mph.
Tonight   Cloudy with a 50 percent chance of rain. Patchy fog. Not as cool with lows in the upper 40s. South winds 5 to 10 mph with gusts up to 20 mph.
Sunday   Rain, breezy with highs around 60. Temperature falling into the mid 40s in the afternoon. South winds 5 to 10 mph with gusts up to 20 mph, increasing to west 20 to 25 mph with gusts up to 40 mph in the afternoon. Chance of rain 90 percent.
Sunday night   Mostly cloudy. A chance of snow and rain in the evening. Little or no snow accumulation. Windy and much cooler with lows around 13. West winds 25 to 30 mph with gusts up to 45 mph. Chance of precipitation 40 percent. Wind chill values as low as 7 below after midnight.
Monday   Mostly cloudy in the morning, then becoming mostly sunny. Windy and much cooler with highs in the lower 20s. Northwest winds 20 to 30 mph with gusts up to 45 mph. Wind chill values as low as 7 below in the morning.
Monday night   Mostly clear. Lows around 10 above. Wind chill values as low as 5 below.
Tuesday   Mostly sunny. Highs around 30. Wind chill values as low as 5 below in the morning.
Tuesday night and wednesday   Mostly cloudy. Lows in the lower 20s. Highs in the mid 30s.
Wednesday night   Mostly cloudy. Cooler with lows around 10 above. Wind chill values as low as zero after midnight.
New years day   Mostly sunny. Cooler with highs in the lower 20s. Wind chill values as low as zero.
Thursday night and friday   Mostly clear. Lows 5 to 10 above. Highs in the lower 20s. Wind chill values as low as 5 below.
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Bryce Anderson – DTN Meteorologist
Big Storm Sweeping Through US This Weekend

Colder temperatures, widespread showers, strong winds and northern snow for the Midwest. Lake-effect snow across the Great Lakes. » More DTN Weather Commentary

Posted at 12:07PM Fri Dec 26, 2025 CST
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