FPUS53 KLSX 161808 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 108 PM CDT Fri Oct 16 2026 ILZ100-101-MOZ061-063-064-170200- 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 108 PM CDT Fri Oct 16 2026 .THIS AFTERNOON...Mostly cloudy with a 50 percent chance of showers. Much cooler. Near steady temperature in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Cooler with lows in the upper 30s. North winds 15 to 20 mph. Chance of rain 20 percent. .SATURDAY...Sunny. Highs in the lower 60s. North winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Light and variable winds, becoming southeast around 5 mph after midnight. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the lower 40s. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 70s. Lows in the upper 40s. $$ MOZ049-050-170200- Osage MO-Callaway MO- Including the city of Fulton 108 PM CDT Fri Oct 16 2026 .THIS AFTERNOON...Mostly cloudy with a 20 percent chance of showers. Much cooler. Near steady temperature in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Patchy frost after midnight. Lows in the mid 30s. North winds 10 to 15 mph. Gusts up to 30 mph in the evening. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the lower 60s. Northeast winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Southeast winds around 5 mph. .SUNDAY...Sunny. Highs in the upper 60s. South winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the lower 40s. .TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs in the upper 70s. Lows in the upper 40s. .THURSDAY...Mostly sunny. Highs in the lower 80s. $$ MOZ042-170200- Audrain MO- Including the city of Mexico 108 PM CDT Fri Oct 16 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... .THIS AFTERNOON...Mostly cloudy with a 50 percent chance of showers. Breezy and much cooler. Near steady temperature in the lower 50s. Northwest winds 20 to 25 mph with gusts up to 35 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Areas of frost after midnight. Cooler with lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph after midnight. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the upper 50s. North winds around 5 mph, becoming east in the afternoon. .SATURDAY NIGHT...Clear. Lows in the mid 30s. South winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds 5 to 10 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the lower 40s. .TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs in the mid 70s. Lows in the upper 40s. .THURSDAY...Mostly sunny. Highs around 80. $$ MOZ041-047-048-170200- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 108 PM CDT Fri Oct 16 2026 .THIS AFTERNOON...Mostly cloudy and much cooler. Near steady temperature in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Patchy frost after midnight. Lows in the mid 30s. North winds 10 to 15 mph with gusts up to 30 mph, diminishing to around 5 mph after midnight. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the lower 60s. Northeast winds around 5 mph in the morning, becoming light and variable. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Southeast winds around 5 mph. .SUNDAY...Sunny. Highs in the upper 60s. South winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the mid 40s. .TUESDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs in the upper 70s. Lows in the lower 50s. .THURSDAY...Mostly sunny. Highs in the lower 80s. $$ ILZ095>097-MOZ018-019-026-027-034>036-170200- 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 108 PM CDT Fri Oct 16 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... .THIS AFTERNOON...Mostly cloudy with a 50 percent chance of showers. Much cooler. Near steady temperature in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 35 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Areas of frost after midnight. Cooler with lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the upper 50s. North winds around 5 mph in the morning, becoming light and variable. .SATURDAY NIGHT...Clear. Lows in the upper 30s. South winds around 5 mph. .SUNDAY...Sunny. Highs in the mid 60s. South winds 5 to 10 mph. .SUNDAY NIGHT...Clear. Lows around 40. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs around 70. Lows in the mid 40s. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s. Lows in the upper 40s. .WEDNESDAY NIGHT...Mostly clear. Lows in the lower 50s. .THURSDAY...Mostly sunny. Highs in the upper 70s. $$ ILZ069-070-074-170200- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 108 PM CDT Fri Oct 16 2026 .THIS AFTERNOON...Mostly cloudy with a 40 percent chance of showers. Much cooler. Near steady temperature in the mid 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Cooler with lows in the upper 30s. North winds 15 to 20 mph. .SATURDAY...Sunny. Highs in the lower 60s. North winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Light and variable winds. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. .MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs in the lower 70s. Lows in the lower 40s. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 70s. Lows in the mid 40s. $$ MOZ074-084-085-099-170200- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 108 PM CDT Fri Oct 16 2026 .THIS AFTERNOON...Partly sunny and much cooler. Near steady temperature in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy. Cooler with lows in the upper 30s. North winds 10 to 15 mph with gusts up to 30 mph. .SATURDAY...Patchy frost in the morning. Sunny. Highs in the lower 60s. North winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Northeast winds around 5 mph in the evening, becoming light and variable. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. .MONDAY THROUGH TUESDAY NIGHT...Mostly clear. Highs in the mid 70s. Lows in the lower 40s. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs around 80. Lows in the mid 40s. $$ MOZ051-060-170200- Montgomery MO-Warren MO- 108 PM CDT Fri Oct 16 2026.THIS AFTERNOON...Mostly cloudy with a 50 percent chance of showers. Much cooler. Near steady temperature in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Patchy frost after midnight. Cooler with lows in the mid 30s. North winds 10 to 15 mph. Gusts up to 30 mph in the evening. .SATURDAY...Patchy frost in the morning. Sunny. Highs around 60. Northeast winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Light and variable winds, becoming southeast around 5 mph after midnight. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the lower 40s. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 70s. Lows in the upper 40s. $$ MOZ052-170200- Lincoln MO- 108 PM CDT Fri Oct 16 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... .THIS AFTERNOON...Mostly cloudy with a 50 percent chance of showers. Much cooler. Near steady temperature in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Lows in the upper 30s. North winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight. .SATURDAY...Patchy frost in the morning. Sunny. Highs around 60. Northeast winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Light and variable winds, becoming south around 5 mph after midnight. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the upper 30s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the lower 40s. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 70s. Lows in the upper 40s. $$ ILZ058-059-098-099-170200- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 108 PM CDT Fri Oct 16 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... .THIS AFTERNOON...Mostly cloudy with a 50 percent chance of showers. Much cooler. Near steady temperature in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy in the evening, then clearing. Patchy frost after midnight. Cooler with lows in the mid 30s. North winds 15 to 20 mph with gusts up to 30 mph, diminishing to 5 to 10 mph with gusts up to 20 mph after midnight. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the lower 60s. Northeast winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the mid 30s. Light and variable winds, becoming southeast around 5 mph after midnight. .SUNDAY...Sunny. Highs in the mid 60s. South winds 5 to 10 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows around 40. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 70s. Lows in the mid 40s. $$ ILZ064-065-170200- Bond IL-Fayette IL- Including the city of Vandalia 108 PM CDT Fri Oct 16 2026 .THIS AFTERNOON...Mostly cloudy with a 40 percent chance of showers. Much cooler. Near steady temperature in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Cooler with lows in the mid 30s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. .SATURDAY...Areas of frost in the morning. Sunny. Highs around 60. North winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Light and variable winds. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. .MONDAY...Sunny. Highs in the lower 70s. .MONDAY NIGHT...Partly cloudy in the evening, then clearing. Lows around 40. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 70s. Lows in the mid 40s. $$ ILZ060-170200- Montgomery IL- Including the city of Litchfield 108 PM CDT Fri Oct 16 2026 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT SATURDAY... .THIS AFTERNOON...Mostly cloudy with a 40 percent chance of showers. Much cooler. Near steady temperature in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Cooler with lows in the mid 30s. North winds 10 to 15 mph. Chance of rain 20 percent. .SATURDAY...Areas of frost in the morning. Sunny. Highs in the upper 50s. North winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Light and variable winds, becoming southeast around 5 mph after midnight. .SUNDAY...Sunny. Highs in the mid 60s. South winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. .MONDAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows around 40. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 70s. Lows in the mid 40s. $$ ILZ079-MOZ075-170200- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 108 PM CDT Fri Oct 16 2026 .THIS AFTERNOON...Partly sunny with a 20 percent chance of showers. Much cooler. Near steady temperature in the mid 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the upper 30s. North winds 10 to 15 mph. Gusts up to 30 mph in the evening. .SATURDAY...Sunny. Highs around 60. North winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Northeast winds around 5 mph in the evening, becoming light and variable. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. .MONDAY THROUGH WEDNESDAY NIGHT...Mostly clear. Highs in the mid 70s. Lows in the mid 40s. .THURSDAY...Sunny. Highs in the lower 80s. $$ MOZ059-062-072-073-170200- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 108 PM CDT Fri Oct 16 2026 .THIS AFTERNOON...Mostly cloudy with a 20 percent chance of showers. Much cooler. Near steady temperature in the lower 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the mid 30s. North winds 10 to 15 mph. Gusts up to 30 mph in the evening. .SATURDAY...Patchy frost in the morning. Sunny. Highs around 60. Northeast winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Light and variable winds. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. .MONDAY...Mostly sunny. Highs in the lower 70s. .MONDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the lower 40s. Highs in the upper 70s. .WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows in the upper 40s. Highs in the lower 80s. $$ ILZ102-MOZ065-170200- Monroe IL-Jefferson MO- 108 PM CDT Fri Oct 16 2026 .THIS AFTERNOON...Mostly cloudy with a 40 percent chance of showers. Much cooler. Near steady temperature in the mid 50s. Northwest winds around 15 mph with gusts up to 30 mph. .TONIGHT...Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the upper 30s. North winds 10 to 15 mph. Gusts up to 30 mph in the evening. .SATURDAY...Sunny. Highs around 60. North winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the lower 30s. Light and variable winds. .SUNDAY...Sunny. Highs in the mid 60s. Southeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the mid 30s. .MONDAY...Sunny. Highs in the lower 70s. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows around 40. .TUESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 70s. Lows in the mid 40s. $$