Alert archive / Missouri / Wind Advisories in 2026
Wind Advisory 4, NWS St. Louis, MO
NWS St. Louis, MO issued this wind advisory at Jun 16, 2026, 12:39 PM CDT for 25 counties in Missouri; 17 counties in Illinois. It took effect at Jun 17, 2026, 10:00 AM CDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jun 16, 2026, 12:39 PM CDT (17:39 UTC)
- In effect from
- Jun 17, 2026, 10:00 AM CDT
- Expired
- Jun 17, 2026, 8:00 PM CDT
- In force
- 10 hr
- Issued by
- NWS St. Louis, MO
All 42 counties
Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Clinton County, IL, Fayette County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Marion County, IL, Monroe County, IL, Montgomery County, IL, Pike County, IL, Randolph County, IL, Saint Clair County, IL, Washington County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, City of Saint Louis, MO, Cole County, MO, Franklin County, MO, Gasconade County, MO, Jefferson County, MO, Knox County, MO, Lewis County, MO, Lincoln County, MO, Madison County, MO, Marion County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Osage County, MO, Pike County, MO, Ralls County, MO, Saint Charles County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Shelby County, MO, Warren County, MO
The radar
The St Louis radar (KLSX), 27 km from the middle of the area, began a volume at 17:42 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 5.7 hours before the alert went out and 233 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1811 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
714 WWUS73 KLSX 161739 NPWLSX URGENT - WEATHER MESSAGE National Weather Service St Louis MO 1239 PM CDT Tue Jun 16 2026 ILZ095>097-MOZ018-019-026-027-034>036-041-042-050-051-170845- /O.NEW.KLSX.WI.Y.0004.260617T1500Z-260617T2300Z/ Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO-Boone MO-Audrain MO-Callaway MO- Montgomery MO- Including the cities of Mexico, Quincy, Pittsfield, Mount Sterling, Fulton, Columbia, Hannibal, and Bowling Green 1239 PM CDT Tue Jun 16 2026 ...WIND ADVISORY IN EFFECT FROM 10 AM TO 6 PM CDT WEDNESDAY... * WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of west central Illinois and central, east central, and northeast Missouri. * WHEN...From 10 AM to 6 PM CDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ ILZ058>060-064-065-069-070-074-098>101-MOZ052-060-061-063-064-170845- /O.NEW.KLSX.WI.Y.0004.260617T1800Z-260618T0100Z/ Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Lincoln MO-Warren MO-Saint Charles MO-Saint Louis MO- Saint Louis City MO- Including the cities of Saint Louis, Saint Charles, Edwardsville, Cahokia, Salem, Vandalia, Alton, Centralia, Litchfield, and Belleville 1239 PM CDT Tue Jun 16 2026 ...WIND ADVISORY IN EFFECT FROM 1 PM TO 8 PM CDT WEDNESDAY... * WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of south central and southwest Illinois and east central Missouri. * WHEN...From 1 PM to 8 PM CDT Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ 19
3 follow-up statements
120 WWUS73 KLSX 170726 NPWLSX URGENT - WEATHER MESSAGE National Weather Service St Louis MO 226 AM CDT Wed Jun 17 2026 MOZ047>049-172230- /O.EXA.KLSX.WI.Y.0004.260617T1500Z-260617T2300Z/ Moniteau MO-Cole MO-Osage MO- Including the cities of Jefferson City 226 AM CDT Wed Jun 17 2026 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CDT THIS EVENING... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Cole MO, Moniteau MO, and Osage MO Counties. * WHEN...From 10 AM this morning to 6 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ ILZ079-102-MOZ059-062-065-074-075-085-172230- /O.EXA.KLSX.WI.Y.0004.260617T1800Z-260618T0100Z/ Randolph IL-Monroe IL-Gasconade MO-Franklin MO-Jefferson MO-Saint Francois MO-Sainte Genevieve MO-Madison MO- Including the cities of Washington, Chester, Sullivan, Farmington, Sparta, and Union 226 AM CDT Wed Jun 17 2026 ...WIND ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...In Illinois, Monroe IL and Randolph IL Counties. In Missouri, Franklin MO, Gasconade MO, Jefferson MO, Madison MO, Saint Francois MO, and Sainte Genevieve MO Counties. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ ILZ095>097-MOZ018-019-026-027-034>036-041-042-050-051-172230- /O.CON.KLSX.WI.Y.0004.260617T1500Z-260617T2300Z/ Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO-Boone MO-Audrain MO-Callaway MO- Montgomery MO- Including the cities of Fulton, Quincy, Hannibal, Columbia, Bowling Green, Mount Sterling, Pittsfield, and Mexico 226 AM CDT Wed Jun 17 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 6 PM CDT THIS EVENING... * WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Portions of west central Illinois and central, east central, and northeast Missouri. * WHEN...From 10 AM this morning to 6 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ ILZ058>060-064-065-069-070-074-098>101-MOZ052-060-061-063-064-172230- /O.CON.KLSX.WI.Y.0004.260617T1800Z-260618T0100Z/ Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Lincoln MO-Warren MO-Saint Charles MO-Saint Louis MO- Saint Louis City MO- Including the cities of Salem, Saint Louis, Edwardsville, Cahokia, Saint Charles, Centralia, Vandalia, Litchfield, Alton, and Belleville 226 AM CDT Wed Jun 17 2026 ...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM CDT THIS EVENING... * WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Portions of south central and southwest Illinois and east central Missouri. * WHEN...From 1 PM this afternoon to 8 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ Pfahler
803 WWUS73 KLSX 172241 NPWLSX URGENT - WEATHER MESSAGE National Weather Service St Louis MO 541 PM CDT Wed Jun 17 2026 ILZ095>097-MOZ018-019-026-027-034>036-041-042-047>051-172345- /O.EXP.KLSX.WI.Y.0004.000000T0000Z-260617T2300Z/ Adams IL-Brown IL-Pike IL-Knox MO-Lewis MO-Shelby MO-Marion MO- Monroe MO-Ralls MO-Pike MO-Boone MO-Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO- Including the cities of Columbia, Mexico, Hannibal, Pittsfield, Fulton, Bowling Green, Jefferson City, Mount Sterling, and Quincy 541 PM CDT Wed Jun 17 2026 ...WIND ADVISORY WILL EXPIRE AT 6 PM CDT THIS EVENING... The threat has ended. $$ ILZ058>060-064-065-069-070-074-079-098>102-MOZ052-059>065-074-075- 085-180100- /O.CON.KLSX.WI.Y.0004.000000T0000Z-260618T0100Z/ Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Randolph IL-Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Lincoln MO-Gasconade MO-Warren MO- Saint Charles MO-Franklin MO-Saint Louis MO-Saint Louis City MO- Jefferson MO-Saint Francois MO-Sainte Genevieve MO-Madison MO- Including the cities of Vandalia, Salem, Saint Louis, Cahokia, Chester, Sparta, Saint Charles, Union, Sullivan, Belleville, Farmington, Centralia, Litchfield, Washington, Edwardsville, and Alton 541 PM CDT Wed Jun 17 2026 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph. * WHERE...Portions of south central and southwest Illinois and east central and southeast Missouri. * WHEN...Until 8 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ Gosselin
494 WWUS73 KLSX 180043 NPWLSX URGENT - WEATHER MESSAGE National Weather Service St Louis MO 743 PM CDT Wed Jun 17 2026 ILZ058>060-064-065-069-070-074-079-098>102-MOZ052-059>065-074-075- 085-180145- /O.EXP.KLSX.WI.Y.0004.000000T0000Z-260618T0100Z/ Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL- Marion IL-Washington IL-Randolph IL-Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Lincoln MO-Gasconade MO-Warren MO- Saint Charles MO-Franklin MO-Saint Louis MO-Saint Louis City MO- Jefferson MO-Saint Francois MO-Sainte Genevieve MO-Madison MO- Including the cities of Vandalia, Salem, Saint Louis, Cahokia, Chester, Sparta, Saint Charles, Union, Sullivan, Belleville, Farmington, Centralia, Litchfield, Washington, Edwardsville, and Alton 743 PM CDT Wed Jun 17 2026 ...WIND ADVISORY WILL EXPIRE AT 8 PM CDT THIS EVENING... The threat has ended. $$ Gosselin
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 9:21 PM CDT | River Flood Warning | LSX | Jefferson, Saint Louis | 63 hr |
| Jun 15, 10:06 PM CDT | River Flood Warning | LSX | Saint Charles | 62 hr |
| Jun 16, 10:13 AM CDT | River Flood Warning | LSX | Saint Charles, Saint Louis | 63 hr |
Nearby
Wind Advisories in Missouri, 2026Wind Advisories in Illinois, 2026Every wind advisory in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.