Expires:202512281100;;350521 FPUS53 KLSX 280359 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 959 PM CST Sat Dec 27 2025 ILZ095-MOZ018-019-026-027-034-035-281100- Adams IL-Knox MO-Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO- Including the cities of Quincy and Hannibal 959 PM CST Sat Dec 27 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 6 AM CST SUNDAY... .TONIGHT...Mostly cloudy. Widespread dense fog this evening, then areas of dense fog after midnight. Showers likely with a slight chance of thunderstorms after midnight. Not as cool with lows in the lower 50s. South winds 5 to 10 mph. Chance of rain 60 percent. .SUNDAY...Cloudy. Patchy fog in the morning. Rain showers with a chance of thunderstorms in the morning, then a chance of rain showers with a slight chance of thunderstorms in the afternoon. Breezy with highs around 60. Temperature falling into the mid 30s in the afternoon. South winds 10 to 15 mph with gusts up to 25 mph, becoming northwest 15 to 25 mph with gusts up to 40 mph in the afternoon. Chance of rain 90 percent. .SUNDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Windy and much cooler with lows around 14. Northwest winds 25 to 30 mph with gusts up to 40 mph. Wind chill values as low as 7 below after midnight. .MONDAY...Mostly sunny and blustery. Much cooler with highs in the mid 20s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Wind chill values as low as 6 below in the morning. .MONDAY NIGHT...Mostly clear. Lows around 13. Northwest winds 10 to 15 mph. Gusts up to 30 mph in the evening. Wind chill values as low as 3 above. .TUESDAY...Mostly sunny. Highs in the lower 30s. Wind chill values as low as 5 above in the morning. .TUESDAY NIGHT...Mostly clear. Not as cool with lows in the mid 20s. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs in the lower 40s. Lows in the lower 20s. .NEW YEARS DAY AND THURSDAY NIGHT...Partly cloudy. Highs in the lower 30s. Lows 15 to 20. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the upper 30s. Lows in the mid 20s. .SATURDAY...Partly sunny. Highs in the lower 40s. $$