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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Lincoln IL
326 PM CDT Wed Jun 18 2025

ILZ038-042>046-051>057-061-192030-
McLean-Logan-De Witt-Piatt-Champaign-Vermilion-Sangamon-Christian-
Macon-Moultrie-Douglas-Coles-Edgar-Shelby-
326 PM CDT Wed Jun 18 2025

This Hazardous Weather Outlook is for central Illinois and east
central Illinois.

.DAY ONE...Tonight.

Breezy southwesterly wind gusts of 35 to 50 mph are possible through
early evening. This could blow around loose outdoor objects and lead
to travel difficulties for high profile vehicles.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

A multi-day stretch of hot and humid weather will develop by the end
of the week and persist through at least early next week. High
temperatures in the low to mid 90s, low temperatures in the mid 70s,
and afternoon heat indices of 100 to 105 degrees can be expected. The
prolonged nature of the heat and the lack of nocturnal cooling will
increase the risk for heat related illness for those without
effective cooling or hydration.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated tonight.

$$

Hazardous Weather Outlook
National Weather Service Lincoln IL
326 PM CDT Wed Jun 18 2025

ILZ062-063-066>068-071>073-192030-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
326 PM CDT Wed Jun 18 2025

This Hazardous Weather Outlook is for east central Illinois and
southeast Illinois.

.DAY ONE...Tonight.

Minor river flooding will continue along the Little Wabash River
below Clay City.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Minor river flooding will continue along the Little Wabash River
below Clay City for a few days.

A multi-day stretch of hot and humid weather will develop by the end
of the week and persist through at least early next week. High
temperatures in the low to mid 90s, low temperatures in the mid 70s,
and afternoon heat indices of 100 to 105 degrees can be expected. The
prolonged nature of the heat and the lack of nocturnal cooling will
increase the risk for heat related illness for those without
effective cooling or hydration.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated tonight.

$$

Erwin

Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
322 PM CDT Wed Jun 18 2025

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-192030-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
322 PM CDT Wed Jun 18 2025

This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.

.DAY ONE...LATE THIS AFTERNOON AND TONIGHT

Slow-moving showers and some thunderstorms will continue through
early evening. Locally heavy rainfall will be seen, possibly
resulting in minor flooding. In addition, funnel clouds will
occur with some of the showers and storms, possibly even a brief
tornado or two. Overall though, the severe risk is low.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

The first significant heat episode of the summer will occur
Saturday into early next week, with heat indices potentially
topping 105 on multiple days along with high confidence in very
warm nighttime lows. This may result in prolonged heat stress
impacts.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated into tonight, but any
reports of funnel clouds or rainfall in excess of one inch through
early evening are appreciated.

$$

Friedlein

Hazardous Weather Outlook...UPDATED
National Weather Service Northern Indiana
410 PM EDT Wed Jun 18 2025

INZ005>009-012>015-017-018-020-022>027-032>034-104-116-203-204-216-
MIZ078>080-192015-
Elkhart-Lagrange-Steuben-Noble-De Kalb-Starke-Pulaski-Marshall-
Fulton IN-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-Eastern St. Joseph IN-
Northern Kosciusko-Southern La Porte-Western St. Joseph IN-
Southern Kosciusko-Cass MI-St. Joseph MI-Branch-
410 PM EDT Wed Jun 18 2025 /310 PM CDT Wed Jun 18 2025/

...TORNADO WATCH 434 IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ THIS
EVENING...

This Hazardous Weather Outlook is for northern Indiana and
southwest Michigan.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Tornado Watch.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Hot temperatures are expected Saturday through Tuesday. Afternoon
heat index values will rise to between 100 and 105 at times.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is needed this afternoon.

$$

Hazardous Weather Outlook
National Weather Service Louisville KY
408 PM EDT Wed Jun 18 2025

INZ076>079-083-084-089>092-KYZ023>032-061-070-192015-
Orange-Washington IN-Scott IN-Jefferson IN-Dubois-Crawford-Perry-
Harrison IN-Floyd-Clark IN-Hancock-Breckinridge-Meade-Ohio-Grayson-
Hardin-Bullitt-Jefferson-Oldham-Trimble-Butler-Logan-
408 PM EDT Wed Jun 18 2025 /308 PM CDT Wed Jun 18 2025/

...TORNADO WATCH 435 IN EFFECT UNTIL 9 PM EDT /8 PM CDT/ THIS
EVENING...

This Hazardous Weather Outlook is for portions of southern Indiana
and central Kentucky.

.DAY ONE...Tonight.

Please listen to NOAA Weather Radio or go to weather.gov/louisville on the
Internet for more information about the following hazards.

   Tornado Watch.

Strong to severe thunderstorms are expected late this afternoon and
into the evening hours. All severe hazards are on the table, but the
primary threat will be damaging winds. Localized flooding is possible
where the heaviest rain falls.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Hot and oppressively humid weather is expected, with daily heat
indices near 100 Sunday into next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed this afternoon into this
evening.

GENERAL STORM MOTION OF THE DAY:

Storms this afternoon and evening will move to the east-northeast
around 40 mph.

Any users of this storm motion must be aware that thunderstorm activity
can be erratic and constantly evolving.  Please use this with caution
and be prepared for changing conditions.

&&

More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.

$$

Hazardous Weather Outlook
National Weather Service St Louis MO
224 PM CDT Wed Jun 18 2025

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-191930-
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe 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-
Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO-
Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO-
Madison MO-Reynolds MO-
224 PM CDT Wed Jun 18 2025

This Hazardous Weather Outlook is for portions of eastern and
central Missouri as well as west central and southwest Illinois.

.DAY ONE...Tonight.

There is a chance for thunderstorms tonight across much of the area.
A thunderstorm or two may become strong to severe, capable of strong
winds.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Afternoon heat indexes over 100 degrees will be possible over parts
of the area from Friday through Monday.

There is a chance of thunderstorms on Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Delia

Hazardous Weather Outlook
National Weather Service Indianapolis IN
257 PM EDT Wed Jun 18 2025

INZ021-028>031-035>049-051>057-060>065-067>072-191900-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
257 PM EDT Wed Jun 18 2025

This hazardous weather outlook is for central Indiana.

.DAY ONE...Through Tonight.

Widespread severe thunderstorms will move across central Indiana
through the evening hours. Damaging winds and tornadoes are the
primary threats, with large hail and localized flash flooding
possible as well. Frequent lightning is also a threat.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Additional isolated thunderstorms may linger into Thursday.

Heat indices may be as high as 100 to 105 degrees during the
afternoon hours each day Saturday through Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotters activation is requested through the evening.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

$$

CP

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
1145 AM CDT Wed Jun 18 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-191645-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
1145 AM CDT Wed Jun 18 2025 /1245 PM EDT Wed Jun 18 2025/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...This Afternoon and Tonight.

Weather hazards expected...

  Significant Thunderstorm Risk...with an associated:
     Level 3 of 5 Tornado Risk.
     Level 3 of 5 Damaging Wind Risk...up to 70 mph.
     Level 2 of 5 Large Hail Risk...up to quarter size.
  Elevated Flooding Risk.

DISCUSSION...

Thunderstorms are likely this afternoon, likely ending early this
evening. Some of these storms may be severe, especially along and
southeast of I-55 across eastern Illinois and northwest Indiana.
The primary severe threat will be damaging winds and tornadoes,
however a few instance are large hail are also possible. In
addition, thunderstorms today will be capable of producing
torrential rainfall which could result in flash flooding.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday and Friday...
  Limited Thunderstorm Risk.
Saturday through Monday...
  Limited Excessive Heat Risk.
Tuesday...
 Limited Thunderstorm Risk.

DISCUSSION...

Hot and humid weather is expected to develop this weekend into
early next week. Peak afternoon heat indices at or above 100
degrees are expected.

.SPOTTER INFORMATION STATEMENT...

  Spotters will likely be needed this afternoon.

GENERAL STORM MOTION OF THE DAY:

  Moving toward the northeast at around 35 mph.

$$

Hazardous Weather Outlook
National Weather Service Paducah KY
438 AM CDT Wed Jun 18 2025

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-190945-
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
438 AM CDT Wed Jun 18 2025 /538 AM EDT Wed Jun 18 2025/

This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.

.DAY ONE...Today and Tonight

There is a risk of severe thunderstorms this afternoon and
evening. Damaging winds, large hail, and perhaps a brief tornado
are the primary hazards. Locally heavy rain could cause isolated
flooding issues as well.

A Lake Wind Advisory is in effect for most of the region from late
this morning through early this evening.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Dangerous, prolonged heat and humidity arrive Saturday and will
continue through at least Tuesday. Daily peak heat index values of
100 to 107 degrees are forecast with only limited relief at
night.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be need this afternoon and this
evening.

$$

DWS

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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