Zone Forecast Product
Issued by NWS St. Louis, MO
Issued by NWS St. Louis, MO
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201 FPUS53 KLSX 282259 ZFPLSX Zone Forecasts National Weather Service Saint Louis MO 559 PM CDT Sun Jun 28 2026 ILZ100-101-MOZ061-063-064-290600- 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 559 PM CDT Sun Jun 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 110 early this evening. .MONDAY...Mostly sunny. Hot with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 111. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 110. .TUESDAY NIGHT...Clear with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 110 early in the evening. .INDEPENDENCE DAY AND SATURDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms. Hot. Highs in the mid 90s. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 110. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. $$ MOZ042-049-050-290600- Audrain MO-Osage MO-Callaway MO- Including the cities of Mexico and Fulton 559 PM CDT Sun Jun 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear this evening, then becoming mostly cloudy. Lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105 early this evening. .MONDAY...Mostly sunny. Humid with highs in the lower 90s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105 in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105 early in the evening. .TUESDAY...Sunny. Highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 103. .TUESDAY NIGHT...Clear. Lows in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 103 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Clear. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .THURSDAY NIGHT THROUGH INDEPENDENCE DAY...Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. $$ MOZ041-047-048-290600- Boone MO-Moniteau MO-Cole MO- Including the cities of Columbia and Jefferson City 559 PM CDT Sun Jun 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear this evening, then becoming mostly cloudy. Lows in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107 early this evening. .MONDAY...Mostly sunny. Humid with highs in the mid 90s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107 in the afternoon. .MONDAY NIGHT...Mostly clear. Lows in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 106 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 105. .TUESDAY NIGHT...Clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 104 early in the evening. .WEDNESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105 in the afternoon. .WEDNESDAY NIGHT...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .THURSDAY NIGHT THROUGH INDEPENDENCE DAY...Mostly clear. Hot. Lows in the upper 70s. Highs in the upper 90s. Heat index values up to 110. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A slight chance of showers and thunderstorms. Hot. Lows in the mid 70s. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. $$ ILZ095>097-MOZ018-019-026-027-034>036-290600- Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO- Including the cities of Quincy, Mount Sterling, Pittsfield, Hannibal, and Bowling Green 559 PM CDT Sun Jun 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear this evening, then becoming mostly cloudy. Lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107 early this evening. .MONDAY...Partly sunny. Humid with highs in the lower 90s. South winds 10 to 15 mph with gusts up to 30 mph. Heat index values up to 106 in the afternoon. .MONDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the mid 70s. South winds 10 to 15 mph with gusts up to 30 mph. Heat index values up to 106 early in the evening. .TUESDAY...Sunny with highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Heat index values up to 105. .TUESDAY NIGHT...Clear. Lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 104 early in the evening. .WEDNESDAY...Sunny. Highs in the mid 90s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105. .INDEPENDENCE DAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 105. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 70s. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105. $$ ILZ069-074-290600- Clinton IL-Washington IL- 559 PM CDT Sun Jun 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 110 early this evening. .MONDAY...Mostly sunny. Humid with highs in the lower 90s. South winds 10 to 15 mph. Heat index values up to 112. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 111. .TUESDAY NIGHT...Clear with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 111 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Clear, hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 110 early in the evening. .INDEPENDENCE DAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .SUNDAY...Mostly 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 lower 90s. Chance of rain 30 percent. Heat index values up to 105. $$ ILZ070-290600- Marion IL- Including the cities of Centralia and Salem 559 PM CDT Sun Jun 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear. Lows in the mid 70s. South winds around 5 mph. Gusts up to 20 mph this evening. Heat index values up to 107 early this evening. .MONDAY...Mostly sunny. Humid with highs in the lower 90s. South winds 5 to 10 mph. Heat index values up to 108. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph with gusts up to 25 mph. Heat index values up to 106 early in the evening. .TUESDAY...Sunny with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 107. .TUESDAY NIGHT...Clear with lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Clear. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105. .THURSDAY AND THURSDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 105. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .FRIDAY NIGHT...Partly cloudy. A slight chance of showers after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .INDEPENDENCE DAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SUNDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100. $$ MOZ074-084-085-099-290600- Saint Francois MO-Iron MO-Madison MO-Reynolds MO- Including the city of Farmington 559 PM CDT Sun Jun 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the lower 70s. South winds 5 to 10 mph. Heat index values up to 104 early this evening. .MONDAY...Sunny with highs in the lower 90s. South winds 10 to 15 mph. Heat index values up to 105. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph with gusts up to 25 mph. Heat index values up to 104 early in the evening. .TUESDAY...Sunny. Highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 104. .TUESDAY NIGHT...Clear. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 103 early in the evening. .WEDNESDAY...Sunny. Highs in the lower 90s. Heat index values up to 105. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Highs in the lower 90s. Heat index values up to 105. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 105 early in the evening. .INDEPENDENCE DAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .SATURDAY NIGHT...Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .SUNDAY...Mostly 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 lower 90s. Chance of rain 40 percent. Heat index values up to 105. $$ MOZ060-290600- Warren MO- 559 PM CDT Sun Jun 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 109 early this evening. .MONDAY...Mostly sunny. Humid with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 109 in the afternoon. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph with gusts up to 25 mph. Heat index values up to 107 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 107. .TUESDAY NIGHT...Clear. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 107 early in the evening. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly clear. Hot. Highs in the mid 90s. Lows in the mid 70s. Heat index values up to 110. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .THURSDAY NIGHT THROUGH INDEPENDENCE DAY...Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. .SATURDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. $$ MOZ051-052-290600- Montgomery MO-Lincoln MO- 559 PM CDT Sun Jun 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 109 early this evening. .MONDAY...Mostly sunny. Humid with highs in the mid 90s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 108. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph with gusts up to 25 mph. Heat index values up to 108 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 106. .TUESDAY NIGHT...Clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .WEDNESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. .INDEPENDENCE DAY...Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 110 early in the evening. .SUNDAY...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. $$ ILZ058-059-098-099-290600- Greene IL-Macoupin IL-Calhoun IL-Jersey IL- 559 PM CDT Sun Jun 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 108 early this evening. .MONDAY...Mostly sunny. Humid with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 107. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 106. .TUESDAY NIGHT...Clear. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 106 early in the evening. .WEDNESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Heat index values up to 105 early in the evening. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the morning. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .FRIDAY NIGHT AND INDEPENDENCE DAY...Partly cloudy. A slight chance of showers and thunderstorms. Hot. Lows in the mid 70s. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .SUNDAY...Mostly 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 lower 90s. Chance of rain 30 percent. Heat index values up to 105. $$ ILZ060-064-065-290600- Montgomery IL-Bond IL-Fayette IL- Including the cities of Litchfield and Vandalia 559 PM CDT Sun Jun 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 106 early this evening. .MONDAY...Mostly sunny. Humid with highs in the lower 90s. South winds 10 to 15 mph. Heat index values up to 109 in the afternoon. .MONDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 107 early in the evening. .TUESDAY...Sunny with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 108. .TUESDAY NIGHT...Clear. Lows in the lower 70s. South winds 5 to 10 mph. Heat index values up to 108 early in the evening. .WEDNESDAY...Sunny. Highs in the mid 90s. Heat index values up to 105. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Heat index values up to 110 early in the evening. .FRIDAY...Sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .FRIDAY NIGHT...Partly cloudy in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. .INDEPENDENCE DAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index values up to 105 early in the evening. .SUNDAY...Mostly 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 lower 90s. Chance of rain 30 percent. Heat index values up to 105. $$ ILZ079-MOZ075-290600- Randolph IL-Sainte Genevieve MO- Including the cities of Chester and Sparta 559 PM CDT Sun Jun 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the lower 70s. South winds 5 to 10 mph. Heat index values up to 109 early this evening. .MONDAY...Sunny with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 112. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 111. .TUESDAY NIGHT...Clear with lows in the lower 70s. South winds 5 to 10 mph. Heat index values up to 111 early in the evening. .WEDNESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .FRIDAY NIGHT...Partly cloudy in the evening, then clearing. Lows in the mid 70s. Heat index values up to 110 early in the evening. .INDEPENDENCE DAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .SATURDAY NIGHT...Mostly clear. Lows in the lower 70s. Heat index values up to 110 early in the evening. .SUNDAY...Sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 30 percent. Heat index values up to 105. $$ MOZ062-290600- Franklin MO- Including the cities of Washington, Union, and Sullivan 559 PM CDT Sun Jun 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 108 early this evening. .MONDAY...Sunny with highs in the mid 90s. South winds 10 to 15 mph. Heat index values up to 108. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph with gusts up to 25 mph. Heat index values up to 107 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Southwest winds around 5 mph. Gusts up to 20 mph in the morning. Heat index values up to 106. .TUESDAY NIGHT...Clear. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 107 early in the evening. .WEDNESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 105. .WEDNESDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. .SUNDAY...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 105. $$ MOZ059-072-073-290600- Gasconade MO-Crawford MO-Washington MO- 559 PM CDT Sun Jun 28 2026 ...HEAT ADVISORY IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Mostly clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 104 early this evening. .MONDAY...Sunny with highs in the lower 90s. South winds 10 to 15 mph. Heat index values up to 105. .MONDAY NIGHT...Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph with gusts up to 25 mph. Heat index values up to 104 early in the evening. .TUESDAY...Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 104. .TUESDAY NIGHT...Clear. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 103 early in the evening. .WEDNESDAY...Sunny. Highs in the mid 90s. Heat index values up to 105. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 105. .SUNDAY...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105. $$ ILZ102-MOZ065-290600- Monroe IL-Jefferson MO- 559 PM CDT Sun Jun 28 2026 ...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY NIGHT... .TONIGHT...Clear this evening, then becoming partly cloudy. Lows in the mid 70s. South winds 5 to 10 mph. Heat index values up to 111 early this evening. .MONDAY...Sunny, hot with highs in the mid 90s. South winds 5 to 10 mph. Heat index values up to 112. .MONDAY NIGHT...Mostly clear. Humid with lows in the mid 70s. South winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 110 early in the evening. .TUESDAY...Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 109. .TUESDAY NIGHT...Clear with lows in the mid 70s. South winds around 5 mph. Heat index values up to 110 early in the evening. .WEDNESDAY...Sunny, hot with highs in the mid 90s. Heat index values up to 110. .WEDNESDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .THURSDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .THURSDAY NIGHT...Mostly clear. Lows in the mid 70s. Heat index values up to 110 early in the evening. .FRIDAY...Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 110. .FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly clear. Hot. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110. .SUNDAY...Sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 20 percent. Heat index values up to 105. $$