Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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709 FPUS53 KLSX 041318 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 818 AM CDT Thu Jun 4 2026 ILZ100-101-MOZ061-063-064-042100- 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 818 AM CDT Thu Jun 4 2026 .TODAY...Partly sunny. Highs in the mid 80s. South winds 10 to 15 mph. .TONIGHT...Partly cloudy. Lows in the upper 60s. South winds 10 to 15 mph. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. South winds 10 to 15 mph. Chance of rain 40 percent. .SATURDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 60 percent. .MONDAY...Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of rain 80 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. $$ MOZ042-049-050-042100- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 818 AM CDT Thu Jun 4 2026 .TODAY...Partly sunny. Highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph. .TONIGHT...Partly cloudy. A slight chance of showers in the evening. Lows in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 30 percent. .SATURDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Showers likely with a chance of thunderstorms. Highs in the mid 80s. Lows in the upper 60s. Chance of rain 70 percent. .MONDAY...A chance of thunderstorms. Showers. Highs in the mid 80s. Chance of rain 80 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows around 70. Chance of rain 20 percent. .WEDNESDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. $$ MOZ041-047-048-042100- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 818 AM CDT Thu Jun 4 2026 .TODAY...Partly sunny. Highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph. .TONIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. South winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20 percent. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. South winds 5 to 10 mph. Chance of rain 40 percent. .SATURDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Southwest winds around 5 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent. .SUNDAY THROUGH MONDAY...Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 70 percent. .MONDAY NIGHT AND TUESDAY...Partly cloudy. A chance of showers and thunderstorms. Lows around 70. Highs around 90. Chance of rain 50 percent. Heat index values up to 105. .TUESDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening. .WEDNESDAY...Sunny. Highs in the lower 90s. Heat index values up to 105 in the afternoon. $$ ILZ095>097-MOZ018-019-026-027-034>036-042100- 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 818 AM CDT Thu Jun 4 2026 .TODAY...Mostly sunny. Highs in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph. .TONIGHT...Partly cloudy with a slight chance of showers in the evening, then mostly cloudy after midnight. Lows in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. .FRIDAY...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. .SATURDAY...Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 90. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the upper 60s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 70 percent. .MONDAY...A chance of thunderstorms. Showers. Highs in the mid 80s. Chance of rain 80 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows around 70. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105 in the afternoon. $$ ILZ069-070-074-042100- Clinton IL-Marion IL-Washington IL- Including the cities of Centralia and Salem 818 AM CDT Thu Jun 4 2026 .TODAY...Partly sunny. Highs in the mid 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph. .FRIDAY...Mostly sunny. Highs in the mid 80s. South winds 10 to 15 mph. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. South winds 10 to 15 mph. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the lower 70s. Chance of rain 20 percent. .SUNDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 70s. Chance of rain 60 percent. .MONDAY...Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 70 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Highs in the upper 80s. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent. $$ MOZ074-084-085-099-042100- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 818 AM CDT Thu Jun 4 2026 .TODAY...Partly sunny. Highs in the lower 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph with gusts up to 20 mph. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. South winds 5 to 10 mph. .SATURDAY...Mostly sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 20 percent. .SUNDAY...Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 70 percent. .SUNDAY NIGHT...A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 70 percent. .MONDAY...Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 80 percent. .MONDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. Chance of rain 50 percent. .TUESDAY...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 60 percent. .TUESDAY NIGHT...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. $$ MOZ051-052-060-042100- Montgomery MO-Lincoln MO-Warren MO- 818 AM CDT Thu Jun 4 2026 .TODAY...Partly sunny. Highs in the mid 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph with gusts up to 20 mph. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 40 percent. .SATURDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 70 percent. .MONDAY...A chance of thunderstorms. Showers. Highs in the mid 80s. Chance of rain 80 percent. .MONDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 60 percent. .TUESDAY...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. $$ ILZ058-059-098-099-042100- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 818 AM CDT Thu Jun 4 2026 .TODAY...Partly sunny. Highs in the mid 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph with gusts up to 20 mph. .FRIDAY...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent. .FRIDAY NIGHT...Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the upper 60s. Chance of rain 20 percent. .SUNDAY...Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 60 percent. .MONDAY...A chance of thunderstorms. Showers. Highs in the mid 80s. Chance of rain 80 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 50 percent. .TUESDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100. $$ ILZ060-064-065-042100- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 818 AM CDT Thu Jun 4 2026 .TODAY...Mostly sunny. Highs in the lower 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Southwest winds 10 to 15 mph. Chance of rain 50 percent. .SATURDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 20 percent. .SUNDAY...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 60s. Chance of rain 60 percent. .MONDAY...Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 70 percent. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. Highs in the mid 80s. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent. $$ ILZ079-MOZ075-042100- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 818 AM CDT Thu Jun 4 2026 .TODAY...Partly sunny. Highs in the mid 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. South winds 10 to 15 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. South winds 5 to 10 mph. .SATURDAY...Mostly sunny. Highs around 90. Southwest winds 5 to 10 mph. .SATURDAY NIGHT...Mostly cloudy. A slight chance of showers after midnight. Lows around 70. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Lows around 70. Chance of rain 50 percent. .MONDAY...Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 80 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 50 percent. .TUESDAY NIGHT...A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows around 70. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 30 percent. Heat index values up to 100. $$ MOZ059-062-072-073-042100- Gasconade MO-Franklin MO-Crawford MO-Washington MO- Including the cities of Washington, Union, and Sullivan 818 AM CDT Thu Jun 4 2026 .TODAY...Partly sunny. Highs in the mid 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy. Not as cool with lows in the mid 60s. South winds 5 to 10 mph with gusts up to 20 mph. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 20 percent. .SUNDAY AND SUNDAY NIGHT...Mostly cloudy with showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 70 percent. .MONDAY...Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 80 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows around 70. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. $$ ILZ102-MOZ065-042100- Monroe IL-Jefferson MO- 818 AM CDT Thu Jun 4 2026 .TODAY...Partly sunny. Highs in the mid 80s. South winds 5 to 10 mph. .TONIGHT...Partly cloudy. Lows in the mid 60s. South winds 5 to 10 mph. .FRIDAY...Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent. .FRIDAY NIGHT...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 60s. South winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY...Mostly sunny. Highs around 90. Southwest winds around 5 mph. .SATURDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms. Lows around 70. Chance of rain 20 percent. .SUNDAY...Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 80s. Chance of rain 60 percent. .SUNDAY NIGHT...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows around 70. Chance of rain 50 percent. .MONDAY...Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. Highs in the mid 80s. Chance of rain 80 percent. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A chance of showers and thunderstorms. Lows around 70. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 100. .TUESDAY NIGHT...Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of rain 50 percent. .WEDNESDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs around 90. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. $$