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Elev 238 ft, 41.91 °N, 88.32 °W

St. Charles, IL Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: St. Charles, IL
Elevation: 238ft
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Active Weather Alerts

Severe Thunderstorm Warning
Issued: 12:07 AM Mar. 11, 2026 – National Weather Service
The National Weather Service in Chicago has issued a

* Severe Thunderstorm Warning for...
Northwestern Kendall County in northeastern Illinois...
Southeastern De Kalb County in north central Illinois...
Kane County in northeastern Illinois...

* Until 800 PM CDT.

* At 707 PM CDT, a severe thunderstorm was located over Serena, or
over Sheridan, moving northeast at 40 mph.

HAZARD...Ping pong ball size hail.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect
damage to roofs, siding, windows, and vehicles.

* Locations impacted include...
Aurora, Elgin, Bartlett, St. Charles, Oswego, West Chicago,
Batavia, Geneva, Yorkville, Campton Hills, Plano, Sandwich, South
Elgin, Montgomery, North Aurora, Sugar Grove, Boulder Hill, Elburn,
Wayne, Valley View, Hinckley, Somonauk, Lily Lake, Newark, and
Millington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 1100 PM CDT for north central
Illinois.

&&


HAIL THREAT...RADAR INDICATED;
MAX HAIL SIZE...1.50 IN;
WIND THREAT...RADAR INDICATED;
MAX WIND GUST...<50 MPH

Severe Thunderstorm Watch
Issued: 11:32 PM Mar. 10, 2026 – National Weather Service
SEVERE THUNDERSTORM WATCH 35 REMAINS VALID UNTIL MIDNIGHT CDT
TONIGHT FOR THE FOLLOWING AREAS

IN ILLINOIS THIS WATCH INCLUDES 12 COUNTIES

IN NORTH CENTRAL ILLINOIS

BOONE                 DE KALB               LEE
OGLE                  WINNEBAGO

IN NORTHEAST ILLINOIS

COOK                  DUPAGE                KANE
KENDALL               LAKE IL               MCHENRY
WILL

THIS INCLUDES THE CITIES OF ALGONQUIN, AURORA, BELVIDERE,
BOLINGBROOK, BUFFALO GROVE, BYRON, CAROL STREAM, CHICAGO,
CRYSTAL LAKE, DEKALB, DIXON, DOWNERS GROVE, ELGIN, EVANSTON,
GURNEE, JOLIET, LEMONT, LOMBARD, MCHENRY, MUNDELEIN, NAPERVILLE,
OAK LAWN, OREGON, ORLAND PARK, OSWEGO, PARK FOREST, PLANO,
ROCHELLE, ROCKFORD, SCHAUMBURG, SYCAMORE, WAUKEGAN, WHEATON,
WILMINGTON, WOODSTOCK, AND YORKVILLE.

Flood Watch
Issued: 5:04 PM Mar. 10, 2026 – National Weather Service
...FLOOD WATCH IN EFFECT FROM EARLY THIS AFTERNOON THROUGH LATE
TONIGHT...

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of Illinois, including the following areas,
Central Cook, DuPage, Eastern Will, Grundy, Kane, Kankakee,
Kendall, La Salle, Northern Cook, Northern Will, Southern Cook and
Southern Will and northwest Indiana, including the following
areas, Lake IN and Porter.

* WHEN...Through late tonight.

* IMPACTS...Creeks and streams may rise out of their banks. Flooding
may occur in poor drainage and urban areas. Underpasses may be
flooded. Roads and streets may be flooded.

* ADDITIONAL DETAILS...
- Multiple rounds of showers and thunderstorms with rainfall
rates up to 1 to 2 inches per hour will be possible from late
this afternoon until late this evening. The highest chance
for flooding will be in urban areas and locations that
received heavy rainfall over the last several days.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch for flash flooding means rapid-onset flooding is
possible, but not yet certain, based upon the latest forecasts.
Flash flooding is a dangerous situation. Persons with interests
along area rivers, creeks, and other waterways should monitor the
latest forecasts and be prepared to take action should flooding
develop.

&&

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