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THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 200 IN
EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS

IN ILLINOIS THIS WATCH INCLUDES 13 COUNTIES

IN SOUTH CENTRAL ILLINOIS

BOND CLINTON FAYETTE
MARION MONTGOMERY WASHINGTON

IN SOUTHWEST ILLINOIS

CALHOUN GREENE JERSEY
MACOUPIN MADISON MONROE
SAINT CLAIR

IN MISSOURI THIS WATCH INCLUDES 7 COUNTIES

IN EAST CENTRAL MISSOURI

FRANKLIN JEFFERSON LINCOLN
SAINT CHARLES SAINT LOUIS SAINT LOUIS CITY
WARREN

THIS INCLUDES THE CITIES OF ALTON, BELLEVILLE, CAHOKIA,
CENTRALIA, EDWARDSVILLE, LITCHFIELD, SAINT CHARLES, SAINT LOUIS,
SALEM, SULLIVAN, UNION, VANDALIA, AND WASHINGTON.

TORNADO WATCH 155 REMAINS VALID UNTIL 11 PM CDT THIS EVENING FOR
THE FOLLOWING AREAS

IN ILLINOIS THIS WATCH INCLUDES 17 COUNTIES

IN SOUTH CENTRAL ILLINOIS

BOND CLINTON FAYETTE
MARION MONTGOMERY WASHINGTON

IN SOUTHWEST ILLINOIS

CALHOUN GREENE JERSEY
MACOUPIN MADISON MONROE
RANDOLPH SAINT CLAIR

IN WEST CENTRAL ILLINOIS

ADAMS BROWN PIKE

IN MISSOURI THIS WATCH INCLUDES 21 COUNTIES

IN EAST CENTRAL MISSOURI

CRAWFORD FRANKLIN GASCONADE
JEFFERSON LINCOLN MONTGOMERY
SAINT CHARLES SAINT LOUIS SAINT LOUIS CITY
WARREN WASHINGTON

IN NORTHEAST MISSOURI

KNOX LEWIS MARION
PIKE SHELBY

IN SOUTHEAST MISSOURI

IRON MADISON REYNOLDS
SAINT FRANCOIS SAINTE GENEVIEVE

THIS INCLUDES THE CITIES OF ALTON, BELLEVILLE, BOWLING GREEN,
CAHOKIA, CENTRALIA, CHESTER, EDWARDSVILLE, FARMINGTON, HANNIBAL,
LITCHFIELD, MOUNT STERLING, PITTSFIELD, QUINCY, SAINT CHARLES,
SAINT LOUIS, SALEM, SPARTA, SULLIVAN, UNION, VANDALIA,
AND WASHINGTON.

* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of Illinois, including the following areas, Bond
IL, Calhoun IL, Clinton IL, Fayette IL, Greene IL, Jersey IL,
Macoupin IL, Madison IL, Marion IL, Monroe IL, Montgomery IL,
Randolph IL, Saint Clair IL and Washington IL and Missouri,
including the following areas, Audrain MO, Boone MO, Callaway MO,
Cole MO, Crawford MO, Franklin MO, Gasconade MO, Iron MO,
Jefferson MO, Lincoln MO, Madison MO, Moniteau MO, Montgomery MO,
Osage MO, Pike MO, Reynolds MO, Saint Charles MO, Saint Francois
MO, Saint Louis City MO, Saint Louis MO, Sainte Genevieve MO,
Warren MO and Washington MO.

* WHEN...Until 1 AM CDT Monday.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
- Showers and thunderstorms are expected through late this
evening. Additional rainfall amounts of 1-2 inches are
favored. Locally higher amounts are possible in strong
thunderstorms late this afternoon and evening.

* WHAT...Sub-freezing temperatures as low as 23 possible.

* WHERE...Portions of south central, southwest, and west central
Illinois and east central and northeast Missouri.

* WHEN...From late Monday night through Tuesday morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of Illinois, including the following areas, Bond
IL, Clinton IL, Fayette IL, Madison IL, Marion IL, Monroe IL,
Randolph IL, Saint Clair IL and Washington IL and Missouri,
including the following areas, Crawford MO, Franklin MO, Iron MO,
Jefferson MO, Madison MO, Reynolds MO, Saint Francois MO, Saint
Louis City MO, Saint Louis MO, Sainte Genevieve MO and Washington
MO.

* WHEN...Through late Saturday night.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks.

* ADDITIONAL DETAILS...
- Multiple rounds of thunderstorms producing heavy rainfall may
result in flash flooding as well as flooding on creeks,
streams, and rivers.

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 97 IN
EFFECT UNTIL 4 PM CDT THIS AFTERNOON FOR THE FOLLOWING AREAS

IN ILLINOIS THIS WATCH INCLUDES 15 COUNTIES

IN SOUTH CENTRAL ILLINOIS

BOND CLINTON FAYETTE
MARION MONTGOMERY WASHINGTON

IN SOUTHWEST ILLINOIS

CALHOUN GREENE JERSEY
MACOUPIN MADISON MONROE
RANDOLPH SAINT CLAIR

IN WEST CENTRAL ILLINOIS

PIKE

IN MISSOURI THIS WATCH INCLUDES 25 COUNTIES

IN CENTRAL MISSOURI

AUDRAIN BOONE CALLAWAY
COLE MONITEAU OSAGE

IN EAST CENTRAL MISSOURI

CRAWFORD FRANKLIN GASCONADE
JEFFERSON LINCOLN MONTGOMERY
SAINT CHARLES SAINT LOUIS SAINT LOUIS CITY
WARREN WASHINGTON

IN NORTHEAST MISSOURI

MONROE PIKE RALLS

IN SOUTHEAST MISSOURI

IRON MADISON REYNOLDS
SAINT FRANCOIS SAINTE GENEVIEVE

THIS INCLUDES THE CITIES OF ALTON, BELLEVILLE, BOWLING GREEN,
CAHOKIA, CENTRALIA, CHESTER, COLUMBIA, EDWARDSVILLE, FARMINGTON,
FULTON, JEFFERSON CITY, LITCHFIELD, MEXICO, PITTSFIELD,
SAINT CHARLES, SAINT LOUIS, SALEM, SPARTA, SULLIVAN, UNION,
VANDALIA, AND WASHINGTON.

* AFFECTED AREA...In Illinois, Fire Weather Zones 058, 059, 079,
098, 099, 100, 101 and 102. In Missouri, Fire Weather Zones
047, 048, 049, 050, 051, 052, 059, 060, 061, 062, 063, 064,
065, 072, 073, 074, 075, 083, 084, 085 and 099.

* TIMING...Noon to 7 PM CDT.

* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...20 to 25 percent.

* IMPACTS...These conditions are conducive for the rapid spread
and growth of uncontrolled wildfires.

* AFFECTED AREA...In Illinois, Fire Weather Zones 058, 059, 079,
098, 099, 100, 101 and 102. In Missouri, Fire Weather Zones
047, 048, 049, 050, 051, 052, 059, 060, 061, 062, 063, 064,
065, 072, 073, 074, 075, 083, 084, 085 and 099.

* TIMING...Noon to 7 PM CDT.

* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...20 to 25 percent.

* IMPACTS...These conditions are conducive for the rapid spread
and growth of uncontrolled wildfires.

* AFFECTED AREA...In Illinois, Fire Weather Zones 058, 059, 060,
064, 065, 069, 070, 074, 079, 095, 096, 097, 098, 099, 100, 101
and 102. In Missouri, Fire Weather Zones 061, 063 and 064.

* WINDS...Southwest 25 to 30 mph with gusts up to 55 mph.

* RELATIVE HUMIDITY...As low as 21 percent.

* IMPACTS...These conditions are conducive for the rapid spread
and growth of uncontrolled wildfires.

A wind advisory in effect from 9 am to 10 pm CDT Wednesday...

• WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected.
• WHERE...City of St. Louis and surrounding areas
• WHEN...From 9 AM to 7 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.

Event Type: Announcement
When: Wednesday, March 19, 2025 at 09:00 AM
Location:
Neighborhood: City-Wide
Ward: Many wards
Admission: Free.
Contact:
Contact Phone:

* WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected.

* WHERE...Portions of south central, southwest, and west central
Illinois and central, east central, northeast, and southeast
Missouri.

* WHEN...From noon Friday to 1 AM CDT Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.

* WHAT...West winds 20 to 30 mph with gusts up to 50 mph expected.

* WHERE...Portions of south central, southwest, and west central
Illinois and central, east central, northeast, and southeast
Missouri.

* WHEN...From 6 AM to 6 PM CST Wednesday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.

* WHAT...Very cold wind chills as low as 15 below zero expected.

* WHERE...In Illinois, Saint Clair IL County. In Missouri, Saint
Louis City MO and Saint Louis MO Counties.

* WHEN...From midnight tonight to noon CST Tuesday.

* IMPACTS...The dangerously cold wind chills as low as 15 below zero
could result in hypothermia or frostbite if precautions are not
taken.

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* WHAT...Heat index values up to 105.

* WHERE...In Illinois, Madison IL, Monroe IL, and Saint Clair IL
Counties. In Missouri, Franklin MO, Jefferson MO, Saint Charles
MO, Saint Louis City MO, and Saint Louis MO Counties.

* WHEN...Until 7 PM CDT Thursday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

* WHAT...Dangerously hot conditions with heat index values up to 112
expected.

* WHERE...Jefferson MO, Saint Charles MO, Saint Louis City MO, and
Saint Louis MO Counties.

* WHEN...From 1 PM Monday to 7 PM CDT Thursday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

STL: Wednesday, May 15, 2024

STL: Friday, April 26, 2024

for St. Louis City County