FPUS53 KLSX 150858 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 258 AM CST Mon Dec 15 2025 ILZ100-101-MOZ061-063-064-151600- Madison IL-Saint Clair IL-Saint Charles MO-Saint Louis MO- Saint Louis City MO- Including the cities of Alton, Edwardsville, Belleville, Cahokia, Saint Charles, and Saint Louis 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs in the upper 30s. South winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 3 below this morning. .TONIGHT...Clear. Not as cool with lows in the mid 20s. Southwest winds 5 to 10 mph. .TUESDAY...Sunny. Not as cool with highs around 50. South winds 10 to 15 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the lower 50s. Southwest winds around 5 mph, becoming southeast in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Not as cool with lows in the lower 40s. Temperature rising into the upper 40s after midnight. Chance of rain 40 percent. .THURSDAY...Mostly cloudy with rain likely with a slight chance of thunderstorms in the morning, then mostly sunny with a slight chance of rain in the afternoon. Highs in the mid 50s. Temperature falling into the lower 40s in the afternoon. Chance of rain 70 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 20. Highs in the upper 30s. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows in the lower 30s. Highs in the mid 50s. .SATURDAY NIGHT...Mostly cloudy. A slight chance of rain in the evening. Lows in the mid 30s. Chance of rain 20 percent. .SUNDAY...Partly sunny. Highs in the upper 40s. $$ MOZ042-049-050-151600- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs in the lower 40s. Southwest winds 15 to 20 mph with gusts up to 35 mph. Wind chill values as low as 1 above this morning. .TONIGHT...Clear. Not as cool with lows in the mid 20s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY...Sunny. Highs in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the lower 50s. Southwest winds around 5 mph, becoming south in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Not as cool with lows in the mid 40s. Temperature rising into the upper 40s after midnight. Chance of rain 40 percent. .THURSDAY...Mostly cloudy with a chance of rain in the morning, then mostly sunny in the afternoon. Highs in the lower 50s. Temperature falling into the upper 30s in the afternoon. Chance of rain 40 percent. .THURSDAY NIGHT...Mostly clear. Much cooler with lows around 20. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 40. Lows in the mid 30s. .SATURDAY...Mostly sunny. Not as cool with highs in the mid 50s. .SATURDAY NIGHT...Mostly cloudy. Lows around 30. .SUNDAY...Mostly sunny. Highs in the upper 40s. $$ MOZ041-047-048-151600- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 35 mph. Wind chill values as low as 3 above this morning. .TONIGHT...Clear. Not as cool with lows in the upper 20s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY...Sunny. Highs in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 30s. Southwest winds around 5 mph. .WEDNESDAY...Sunny. Highs in the lower 50s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Not as cool with lows in the mid 40s. Temperature rising to around 50 after midnight. Chance of rain 40 percent. .THURSDAY...Partly sunny with a chance of rain in the morning, then sunny in the afternoon. Highs in the lower 50s. Temperature falling into the upper 30s in the afternoon. Chance of rain 30 percent. .THURSDAY NIGHT...Mostly clear. Much cooler with lows around 20. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the lower 40s. Lows in the mid 30s. .SATURDAY...Mostly sunny. Not as cool with highs in the upper 50s. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s. .SUNDAY...Mostly sunny. Highs in the upper 40s. $$ ILZ095>097-MOZ018-019-026-027-034>036-151600- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs in the upper 30s. Southwest winds 10 to 15 mph with gusts up to 35 mph. Wind chill values as low as 2 below this morning. .TONIGHT...Mostly clear. Not as cool with lows in the mid 20s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY...Sunny. Highs in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 25 mph. .TUESDAY NIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 20s. West winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the upper 40s. West winds around 5 mph, becoming southeast with gusts up to 20 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Not as cool with lows around 40. Temperature rising into the upper 40s after midnight. Chance of rain 40 percent. .THURSDAY...Mostly sunny. A chance of rain in the morning. Highs around 50. Temperature falling into the lower 30s in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 15 to 20. Highs in the upper 30s. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly cloudy. Lows in the upper 20s. Highs in the lower 50s. .SUNDAY...Mostly sunny. Cooler with highs in the lower 40s. $$ ILZ069-070-074-151600- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs in the mid 30s. South winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 4 below this morning. .TONIGHT...Mostly clear and not as cool. Near steady temperature in the mid 20s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY...Sunny. Not as cool with highs in the mid 40s. South winds 10 to 15 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 50s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Lows in the lower 40s. Temperature rising into the upper 40s after midnight. Chance of rain 40 percent. .THURSDAY...Mostly cloudy with rain with a slight chance of thunderstorms in the morning, then partly sunny with a chance of rain in the afternoon. Highs in the mid 50s. Temperature falling into the mid 40s in the afternoon. Chance of rain 80 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 20. Highs in the mid 30s. .FRIDAY NIGHT...Partly cloudy and not as cool. Near steady temperature in the lower 30s. Temperature rising into the mid 30s after midnight. .SATURDAY...Mostly sunny. A slight chance of rain in the afternoon. Not as cool with highs in the mid 50s. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy. A chance of rain, mainly in the evening. Lows in the mid 30s. Chance of rain 30 percent. .SUNDAY...Partly sunny with a 20 percent chance of rain. Highs in the upper 40s. $$ MOZ074-084-085-099-151600- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs around 40. South winds 5 to 10 mph with gusts up to 30 mph. Wind chill values as low as 1 below this morning. .TONIGHT...Mostly clear. Not as cool with lows in the lower 20s. Southwest winds 5 to 10 mph. .TUESDAY...Sunny. Highs in the upper 40s. South winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s. Southwest winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the mid 50s. Southwest winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Not as cool with lows in the mid 40s. Temperature rising into the upper 40s after midnight. Chance of rain 40 percent. .THURSDAY...Mostly cloudy with rain likely with a slight chance of thunderstorms in the morning, then mostly sunny with a slight chance of rain in the afternoon. Highs in the upper 50s. Temperature falling into the upper 40s in the afternoon. Chance of rain 70 percent. .THURSDAY NIGHT...Mostly clear. Much cooler with lows around 20. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the lower 40s. Lows around 30. .SATURDAY...Mostly sunny. Not as cool with highs in the upper 50s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the mid 30s. .SUNDAY...Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 50s. $$ MOZ051-052-060-151600- Montgomery MO-Lincoln MO-Warren MO- 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 35 mph. Wind chill values as low as 1 above this morning. .TONIGHT...Clear. Not as cool with lows in the mid 20s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY...Sunny. Highs around 50. Southwest winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the lower 30s. Southwest winds around 5 mph. .WEDNESDAY...Mostly sunny. Highs in the lower 50s. West winds around 5 mph, becoming southeast around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Not as cool with lows in the lower 40s. Temperature rising into the upper 40s after midnight. Chance of rain 40 percent. .THURSDAY...Mostly cloudy with a chance of rain in the morning, then mostly sunny in the afternoon. Highs in the mid 50s. Temperature falling into the upper 30s in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly clear. Much cooler with lows 15 to 20. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the upper 30s. Lows in the lower 30s. .SATURDAY...Mostly sunny. Not as cool with highs in the mid 50s. .SATURDAY NIGHT...Mostly cloudy. Lows around 30. .SUNDAY...Mostly sunny. Cooler with highs in the mid 40s. $$ ILZ058-059-098-099-151600- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs in the upper 30s. South winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 7 below this morning. .TONIGHT...Mostly clear. Not as cool with lows in the lower 20s. Southwest winds 5 to 10 mph. .TUESDAY...Sunny. Highs in the mid 40s. South winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Mostly cloudy. Lows around 30. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. Highs in the mid 40s. West winds around 5 mph, becoming southeast in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Not as cool with lows around 40. Temperature rising into the upper 40s after midnight. Chance of rain 40 percent. .THURSDAY...Mostly cloudy with rain likely with a slight chance of thunderstorms in the morning, then mostly sunny with a slight chance of rain in the afternoon. Highs in the lower 50s. Temperature falling into the upper 30s in the afternoon. Chance of rain 70 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 15 to 20. Highs in the mid 30s. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows in the upper 20s. Highs in the lower 50s. .SATURDAY NIGHT...Mostly cloudy. A slight chance of rain in the evening. Lows around 30. Chance of rain 20 percent. .SUNDAY...Partly sunny. Highs in the mid 40s. $$ ILZ060-064-065-151600- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs in the lower 30s. South winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 8 below this morning. .TONIGHT...Mostly clear and not as cool. Near steady temperature in the mid 20s. Southwest winds 5 to 10 mph. .TUESDAY...Sunny. Not as cool with highs in the lower 40s. South winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Mostly cloudy. Lows around 30. Southwest winds 5 to 10 mph. .WEDNESDAY...Mostly sunny. Highs in the mid 40s. Southwest winds around 5 mph, becoming south in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Lows in the upper 30s. Temperature rising into the mid 40s after midnight. Chance of rain 40 percent. .THURSDAY...Mostly cloudy with rain likely with a slight chance of thunderstorms in the morning, then partly sunny with a slight chance of rain in the afternoon. Highs in the lower 50s. Temperature falling to around 40 in the afternoon. Chance of rain 70 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 15 to 20. Highs in the lower 30s. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Not as cool. Near steady temperature around 30. Temperature rising into the lower 30s after midnight. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy. A 20 percent chance of rain. Highs in the lower 50s. Lows in the lower 30s. .SUNDAY...Partly sunny. A slight chance of rain in the afternoon. Highs in the mid 40s. Chance of rain 20 percent. $$ ILZ079-MOZ075-151600- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs in the upper 30s. South winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 1 below this morning. .TONIGHT...Mostly clear. Not as cool with lows in the mid 20s. South winds 5 to 10 mph. .TUESDAY...Sunny. Not as cool with highs in the upper 40s. South winds 10 to 15 mph. .TUESDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s. Southwest winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the mid 50s. South winds 5 to 10 mph. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Not as cool with lows in the mid 40s. Temperature rising to around 50 after midnight. Chance of rain 40 percent. .THURSDAY...Mostly cloudy with rain likely with a slight chance of thunderstorms in the morning, then mostly sunny with a slight chance of rain in the afternoon. Highs in the upper 50s. Temperature falling into the upper 40s in the afternoon. Chance of rain 70 percent. .THURSDAY NIGHT...Mostly clear. Much cooler with lows around 20. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the upper 30s. Lows in the lower 30s. .SATURDAY...Mostly sunny. Not as cool with highs in the mid 50s. .SATURDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows in the mid 30s. .SUNDAY...Partly sunny. Highs around 50. $$ MOZ059-062-072-073-151600- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs in the mid 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 2 above this morning. .TONIGHT...Clear. Not as cool with lows in the upper 20s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY...Sunny. Highs in the lower 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 30s. Southwest winds around 5 mph. Gusts up to 20 mph in the evening. .WEDNESDAY...Sunny. Highs in the mid 50s. Southwest winds around 5 mph, becoming south in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Not as cool with lows in the mid 40s. Temperature rising into the lower 50s after midnight. Chance of rain 40 percent. .THURSDAY...Mostly cloudy with a chance of rain in the morning, then mostly sunny in the afternoon. Highs in the mid 50s. Temperature falling into the mid 40s in the afternoon. Chance of rain 50 percent. .THURSDAY NIGHT...Mostly clear. Much cooler with lows around 20. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the lower 40s. Lows in the lower 30s. .SATURDAY...Mostly sunny. Not as cool with highs in the upper 50s. .SATURDAY NIGHT...Mostly cloudy. A slight chance of rain in the evening. Lows in the mid 30s. Chance of rain 20 percent. .SUNDAY...Partly sunny. Highs around 50. $$ ILZ102-MOZ065-151600- Monroe IL-Jefferson MO- 258 AM CST Mon Dec 15 2025 .TODAY...Sunny. Not as cool with highs in the lower 40s. South winds 5 to 10 mph with gusts up to 25 mph. Wind chill values as low as zero this morning. .TONIGHT...Clear. Not as cool with lows in the upper 20s. Southwest winds around 5 mph. .TUESDAY...Sunny. Highs in the lower 50s. South winds 5 to 10 mph with gusts up to 20 mph. .TUESDAY NIGHT...Mostly cloudy. Lows in the mid 30s. Southwest winds 5 to 10 mph. .WEDNESDAY...Sunny. Highs in the mid 50s. Southwest winds around 5 mph, becoming south around 5 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. A chance of rain after midnight. Not as cool with lows in the mid 40s. Temperature rising to around 50 after midnight. Chance of rain 30 percent. .THURSDAY...Mostly cloudy with rain likely with a slight chance of thunderstorms in the morning, then mostly sunny with a slight chance of rain in the afternoon. Highs in the upper 50s. Temperature falling into the mid 40s in the afternoon. Chance of rain 70 percent. .THURSDAY NIGHT...Mostly clear. Much cooler with lows around 20. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 40. Lows in the lower 30s. .SATURDAY...Mostly sunny. Not as cool with highs in the upper 50s. .SATURDAY NIGHT...Mostly cloudy. A slight chance of rain in the evening. Lows in the mid 30s. Chance of rain 20 percent. .SUNDAY...Partly sunny. Highs around 50. $$