weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Hazardous Weather Outlook


HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
508 AM CDT MON SEP 1 2014

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-021015-
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-
508 AM CDT MON SEP 1 2014

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...TODAY AND TONIGHT

A COLD FRONT WILL MOVE ACROSS THE OUTLOOK AREA THIS AFTERNOON INTO
EARLY EVENING...AND WILL BE ACCOMPANIED BY A CHANCE OF THUNDERSTORMS.
IF CLOUDS CAN THIN AND ALLOW TEMPERATURES TO WARM INTO THE LOWER
TO MIDDLE 80S... THEN THERE WOULD BE A CHANCE OF A FEW STRONG TO
POSSIBLY SEVERE STORMS...WITH THE MAIN THREAT BEING STRONG WINDS.

THE STORM PREDICTION CENTER HAS PLACED MUCH OF THE OUTLOOK AREA IN
A SLIGHT RISK FOR SEVERE WEATHER THIS AFTERNOON AND EARLY EVENING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A FRONTAL SYSTEM PUSHING ACROSS THE REGION FROM NORTHWEST TO
SOUTHEAST WILL BRING ABOUT THE NEXT MAIN CHANCE OF THUNDERSTORMS
THURSDAY NIGHT INTO FRIDAY. THERE MAY BE A CHANCE FOR A STRONG TO
SEVERE STORM ACROSS PORTIONS OF THE OUTLOOK AREA DURING THIS
PERIOD.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE THIS AFTERNOON AND EARLY EVENING.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
603 AM CDT MON SEP 1 2014

ILZ027>031-036>038-040-041-047>050-021115-
CASS-FULTON-KNOX-MARSHALL-MASON-MCLEAN-MENARD-MORGAN-PEORIA-
SCHUYLER-SCOTT-STARK-TAZEWELL-WOODFORD-
603 AM CDT MON SEP 1 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL DEVELOP AHEAD OF A COLD FRONT TODAY. SOME OF THE
STORMS COULD BECOME SEVERE THIS AFTERNOON AND EVENING...WITH THE
PRIMARY HAZARDS BEING LARGE HAIL AND DAMAGING WIND GUSTS. THE
SEVERE WEATHER THREAT WILL GRADUALLY DIMINISH AFTER SUNSET AND
HEAVY RAINFALL IS EXPECTED TO MIGRATE TO AREAS ALONG AND SOUTH OF
A SPRINGFIELD TO DANVILLE LINE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

HOT AND HUMID WEATHER IS EXPECTED THURSDAY...THEN ANOTHER WEATHER
SYSTEM WILL BRING THUNDERSTORM CHANCES BACK INTO THE PICTURE
THURSDAY NIGHT THROUGH FRIDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
603 AM CDT MON SEP 1 2014

ILZ042>046-051>057-061>063-066>068-071>073-021115-
CHAMPAIGN-CHRISTIAN-CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND-DE WITT-
DOUGLAS-EDGAR-EFFINGHAM-JASPER-LAWRENCE-LOGAN-MACON-MOULTRIE-
PIATT-RICHLAND-SANGAMON-SHELBY-VERMILION-
603 AM CDT MON SEP 1 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS...EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WILL DEVELOP AHEAD OF A COLD FRONT TODAY. SOME OF THE
STORMS COULD BECOME SEVERE THIS AFTERNOON AND EVENING...WITH THE
PRIMARY HAZARDS BEING LARGE HAIL AND DAMAGING WIND GUSTS. WHILE
THE SEVERE WEATHER THREAT WILL GRADUALLY DIMINISH AFTER
SUNSET...HEAVY RAINFALL MAY BECOME AN ISSUE TONIGHT AS STORMS FORM
REPEATEDLY OVER THE SAME AREAS. THE GREATEST CHANCE FOR HEAVY
RAINFALL APPEARS TO BE SETTING UP ALONG AND SOUTH OF A SPRINGFIELD
TO DANVILLE LINE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS AND HEAVY RAINFALL ARE EXPECTED TO GRADUALLY
DIMINISH DURING THE DAY TUESDAY. HOT AND HUMID WEATHER IS EXPECTED
THURSDAY...THEN ANOTHER WEATHER SYSTEM WILL BRING THUNDERSTORM
CHANCES BACK INTO THE PICTURE FRIDAY INTO SATURDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

$$

ONTON

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
529 AM CDT MON SEP 1 2014

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-021030-
ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE-JOHNSON KS-
ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-MERCER-PUTNAM-SCHUYLER-
HOLT-ANDREW-DE KALB-DAVIESS-GRUNDY-SULLIVAN-ADAIR-BUCHANAN-CLINTON-
CALDWELL-LIVINGSTON-LINN MO-MACON-PLATTE-CLAY-RAY-CARROLL-CHARITON-
RANDOLPH-JACKSON-LAFAYETTE-SALINE-HOWARD-CASS-JOHNSON MO-PETTIS-
COOPER-BATES-HENRY-
529 AM CDT MON SEP 1 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL AND
WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS.

.DAY ONE...TODAY AND TONIGHT

MORNING THUNDERSTORMS OVER FAR WEST CENTRAL MISSOURI WILL WEAKEN AND
MOVE OUT OF THE AREA BY MID-MORNING. SEVERE WEATHER IS UNLIKELY WITH
THIS ACTIVITY.

ANOTHER ROUND OF THUNDERSTORMS IS EXPECTED THIS AFTERNOON AND
EVENING. THE BEST CHANCE FOR WIDESPREAD STORMS WILL BE ALONG AND
SOUTH OF INTERSTATE 70...WHERE STRONG TO SEVERE WEATHER AND LOCALLY
HEAVY RAINFALL IS POSSIBLE.

MORE DETAILED INFORMATION CAN BE ACCESSED AT...
HTTP://WWW.CRH.NOAA.GOV/IMAGES/FXC/EAX/EM1/EAX-EMBRIEFING1.PDF

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE NEXT ROUND OF THUNDERSTORMS IS EXPECTED TUESDAY NIGHT INTO
WEDNESDAY...AND AGAIN THURSDAY NIGHT THROUGH SATURDAY. THE OVERALL
SEVERE WEATHER RISK APPEARS LOW AT THIS TIME.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
528 AM CDT MON SEP 1 2014

WIZ046-047-051-052-056>060-062>072-021030-
MARQUETTE-GREEN LAKE-FOND DU LAC-SHEBOYGAN-SAUK-COLUMBIA-DODGE-
WASHINGTON-OZAUKEE-IOWA-DANE-JEFFERSON-WAUKESHA-MILWAUKEE-
LAFAYETTE-GREEN-ROCK-WALWORTH-RACINE-KENOSHA-
528 AM CDT MON SEP 1 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WISCONSIN...SOUTH CENTRAL WISCONSIN AND SOUTHEAST WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

ISOLATED THUNDERSTORMS ARE FORECAST THIS MORNING. A COLD FRONT
MOVING EAST THROUGH THE AREA THIS AFTERNOON AND EVENING WILL BRING
CHANCES FOR THUNDERSTORMS. THERE IS A SLIGHT RISK OF SEVERE
THUNDERSTORMS DURING THIS PERIOD...WITH LARGE HAIL AND DAMAGING
WINDS THE MAIN HAZARDS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THERE IS A SLIGHT CHANCE OF THUNDERSTORMS TUESDAY...AS A TROUGH OF
LOW PRESSURE MOVES THROUGH THE AREA.

THUNDERSTORMS ARE POSSIBLE AGAIN WEDNESDAY NIGHT INTO FRIDAY.
MOIST AND UNSTABLE AIR IS EXPECTED TO PUSH BACK TOWARD THE REGION
WEDNESDAY NIGHT AND THURSDAY...FOLLOWED BY A COLD FRONTAL PASSAGE
THURSDAY NIGHT INTO FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LA CROSSE WI
509 AM CDT MON SEP 1 2014

IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ017-029-
032>034-041>044-053>055-061-021100-
MITCHELL-HOWARD-WINNESHIEK-ALLAMAKEE-FLOYD-CHICKASAW-FAYETTE-
CLAYTON-WABASHA-DODGE-OLMSTED-WINONA-MOWER-FILLMORE-HOUSTON-
TAYLOR-CLARK-BUFFALO-TREMPEALEAU-JACKSON-LA CROSSE-MONROE-JUNEAU-
ADAMS-VERNON-CRAWFORD-RICHLAND-GRANT-
509 AM CDT MON SEP 1 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
IOWA...SOUTHEAST MINNESOTA...AND SOUTHWEST INTO CENTRAL WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS WILL BE SEEN ACROSS THE AREA TODAY. THESE
STORMS ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS.

ISOLATED THUNDERSTORMS MAY BE SEEN WEST OF THE MISSISSIPPI AFTER
MIDNIGHT TONIGHT. NONE OF THESE STORMS ARE EXPECTED TO BECOME
SEVERE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ISOLATED THUNDERSTORMS MAY OCCUR NORTH OF INTERSTATE 94 ON
TUESDAY. NONE OF THESE STORMS ARE EXPECTED TO BECOME SEVERE.

THERE IS THE POTENTIAL FOR STRONG TO SEVERE THUNDERSTORMS
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT. DAMAGING WINDS...HEAVY
RAINFALL...AND ISOLATED LARGE HAIL WILL BE THE MAIN THREATS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED THROUGH WEDNESDAY.
HOWEVER...SPOTTER ACTIVATION MAY BECOME NECESSARY AT TIMES
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT.

.EMERGENCY MANAGEMENT COORDINATION...

NO WEBINAR IS SCHEDULED.

$$

DAS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
446 AM CDT MON SEP 1 2014

IAZ027-028-038-039-050-062-074-075-084>086-094>097-021100-
BUTLER-BREMER-GRUNDY-BLACK HAWK-TAMA-POWESHIEK-MARION-MAHASKA-
LUCAS-MONROE-WAPELLO-DECATUR-WAYNE-APPANOOSE-DAVIS-
446 AM CDT MON SEP 1 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS WILL GRADUALLY END FROM WEST TO EAST BY
THIS EVENING. AN ISOLATED STORM MAY PRODUCE PENNY TO QUARTER SIZE
HAIL AND WIND GUSTS TO 60 MPH.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS ARE EXPECTED TO DEVELOP THURSDAY NIGHT AND CONTINUE
INTO FRIDAY NIGHT. SOME OF THE STORMS MAY SEVERE THURSDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THURSDAY NIGHT.


$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
431 AM CDT MON SEP 1 2014

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
020945-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
431 AM CDT MON SEP 1 2014 /531 AM EDT MON SEP 1 2014/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TODAY AND TONIGHT.

  WEATHER HAZARDS EXPECTED:

   THUNDERSTORMS...SOME OF WHICH MAY PRODUCE...
    VERY HEAVY RAINFALL LEADING TO FLASH FLOODING.
    WIND GUSTS IN EXCESS OF 60 MPH.
    HAIL TO GREATER THAN ONE INCH IN DIAMETER.

  AREAS AFFECTED AND TIMING:

  SCATTERED STORMS ARE POSSIBLE THIS MORNING. REDEVELOPMENT OF
  SCATTERED STORMS IS EXPECTED THIS AFTERNOON. AREAS SOUTH OF
  INTERSTATE 80 LOOK TO HAVE THE POTENTIAL FOR GREATER COVERAGE OF
  STORMS THIS AFTERNOON INTO TONIGHT...WHEN THEY WOULD HAVE THE
  BETTER ABILITY FOR HEAVY RAINFALL AND SEVERE WEATHER.

  DISCUSSION:

  SCATTERED STORMS THIS MORNING ARE POSSIBLE WHICH WILL BE MOVING
  NORTHEAST ACROSS THE AREA. THE SEVERE WEATHER THREAT WITH THESE
  APPEAR MINIMAL...HOWEVER LOCALLY HEAVY RAINFALL AND ISOLATED
  STRONG WINDS...POSSIBLY UP TO NEAR 60 MPH...ARE PROBABLE WITH
  ANY STORMS. REDEVELOPMENT OF SCATTERED STORMS IS EXPECTED THIS
  AFTERNOON. STRENGTHENING WINDS ALOFT IN THE ATMOSPHERE COULD
  PRESENT SCATTERED SEVERE STORMS...CAPABLE OF STRONG WINDS AND
  HAIL. REGENERATING STORMS MOST CAPABLE OF VERY HEAVY RAINFALL
  AND POSSIBLE FLASH FLOODING WILL BE MOST FAVORED SOUTH OF
  INTERSTATE 80...ESPECIALLY THE AREAS THAT SAW VERY HEAVY
  RAINFALL THIS PAST SATURDAY NIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THERE IS A CHANCE FOR THUNDERSTORMS EARLY TUESDAY FOR AREAS SOUTH
OF A PONTIAC TO RENSSELAER LINE.

ADDITIONAL THUNDERSTORM CHANCES WILL OCCUR LATER IN THE
WEEK...MAINLY ON WEDNESDAY NIGHT AND AGAIN FRIDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS MAY BE NEEDED THIS AFTERNOON AND EVENING.

&&

$$

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
419 AM CDT MON SEP 1 2014

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-020000-
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-ST. 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-ST. CHARLES MO-FRANKLIN MO-
ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-
WASHINGTON MO-ST. FRANCOIS MO-STE. GENEVIEVE MO-IRON MO-
MADISON MO-REYNOLDS MO-
419 AM CDT MON SEP 1 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND
CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WERE OCCURRING OVER PARTS OF MISSOURI AND ILLINOIS
THIS MORNING. THUNDERSTORMS WILL ALSO REDEVELOP THIS AFTERNOON
AHEAD OF A COLD FRONT. SOME OF THE STRONGER STORMS COULD PRODUCE
SEVERE WEATHER INCLUDING DAMAGING WIND GUSTS AND LARGE
HAIL...ESPECIALLY DURING THE AFTERNOON AND EVENING HOURS. LOCALLY
HEAVY RAINFALL IS ALSO POSSIBLE TONIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THERE IS A CHANCE FOR THUNDERSTORMS FROM TUESDAY THROUGH
WEDNESDAY. THERE IS ALSO A CHANCE FOR THUNDERSTORMS FROM THURSDAY
NIGHT THROUGH SATURDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT ACROSS
PARTS OF MISSOURI AND ILLINOIS.

$$

KANOFSKY

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
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE