SEVERE WEATHER

  • DeKalb
    McHenry
    Kane
    Kendall
    Will
    Grundy
  • Flood Advisory

    Will, IL

    833 PM CDT THU MAY 23 2013

    THE FLOOD ADVISORY CONTINUES FOR
    THE EAST BRANCH DU PAGE RIVER AT BOLINGBROOK
    * UNTIL FRIDAY MORNING.
    * AT 745 PM THURSDAY THE STAGE WAS 18.5 FEET.
    * ACTION STAGE IS 18.0 FEET.
    * FLOOD STAGE IS 19.5 FEET.
    * FORECAST...THE RIVER IS EXPECTED TO FALL BELOW ACTION STAGE FRIDAY
    MORNING.
    * IMPACT...AT 18.0 FEET...MINOR FLOODING BEGINS.

  • Special Weather Statement

    DeKalb, IL

    GRUNDY-WILL-
    INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
    OREGON...DIXON...DEKALB...AURORA...OTTAWA...OSWEGO...MORRIS...
    JOLIET
    357 AM CDT FRI MAY 24 2013

    AN UNSEASONABLY STRONG AND COOL AREA OF HIGH PRESSURE WILL SPREAD
    ACROSS THE MID AND UPPER MISSISSIPPI VALLEY OVERNIGHT. THE
    COMBINATION OF CLEAR SKIES AND DECREASING WINDS ASSOCIATED WITH
    THE HIGH WILL ALLOW TEMPERATURES TO DROP INTO THE MIDDLE TO
    UPPER 30S ACROSS PORTIONS OF NORTHERN ILLINOIS OVERNIGHT. SOME
    PATCHY FROST IS POSSIBLE IN SOME OF THE COLDER MORE SHELTERED
    LOCATIONS BY SUNRISE...ESPECIALLY IN LOW LYING AREAS. ALTHOUGH
    WIDESPREAD FROST IS NOT EXPECTED...ANY FROST THAT DOES FORM COULD
    RESULT IN DAMAGE TO SENSITIVE VEGETATION IF LEFT UNPROTECTED.
    TEMPERATURES WILL QUICKLY WARM AFTER SUNRISE...ENDING THE THREAT

  • Special Weather Statement

    McHenry, IL

    GRUNDY-WILL-
    INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
    OREGON...DIXON...DEKALB...AURORA...OTTAWA...OSWEGO...MORRIS...
    JOLIET
    357 AM CDT FRI MAY 24 2013

    AN UNSEASONABLY STRONG AND COOL AREA OF HIGH PRESSURE WILL SPREAD
    ACROSS THE MID AND UPPER MISSISSIPPI VALLEY OVERNIGHT. THE
    COMBINATION OF CLEAR SKIES AND DECREASING WINDS ASSOCIATED WITH
    THE HIGH WILL ALLOW TEMPERATURES TO DROP INTO THE MIDDLE TO
    UPPER 30S ACROSS PORTIONS OF NORTHERN ILLINOIS OVERNIGHT. SOME
    PATCHY FROST IS POSSIBLE IN SOME OF THE COLDER MORE SHELTERED
    LOCATIONS BY SUNRISE...ESPECIALLY IN LOW LYING AREAS. ALTHOUGH
    WIDESPREAD FROST IS NOT EXPECTED...ANY FROST THAT DOES FORM COULD
    RESULT IN DAMAGE TO SENSITIVE VEGETATION IF LEFT UNPROTECTED.
    TEMPERATURES WILL QUICKLY WARM AFTER SUNRISE...ENDING THE THREAT

  • Special Weather Statement

    Kane, IL

    GRUNDY-WILL-
    INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
    OREGON...DIXON...DEKALB...AURORA...OTTAWA...OSWEGO...MORRIS...
    JOLIET
    357 AM CDT FRI MAY 24 2013

    AN UNSEASONABLY STRONG AND COOL AREA OF HIGH PRESSURE WILL SPREAD
    ACROSS THE MID AND UPPER MISSISSIPPI VALLEY OVERNIGHT. THE
    COMBINATION OF CLEAR SKIES AND DECREASING WINDS ASSOCIATED WITH
    THE HIGH WILL ALLOW TEMPERATURES TO DROP INTO THE MIDDLE TO
    UPPER 30S ACROSS PORTIONS OF NORTHERN ILLINOIS OVERNIGHT. SOME
    PATCHY FROST IS POSSIBLE IN SOME OF THE COLDER MORE SHELTERED
    LOCATIONS BY SUNRISE...ESPECIALLY IN LOW LYING AREAS. ALTHOUGH
    WIDESPREAD FROST IS NOT EXPECTED...ANY FROST THAT DOES FORM COULD
    RESULT IN DAMAGE TO SENSITIVE VEGETATION IF LEFT UNPROTECTED.
    TEMPERATURES WILL QUICKLY WARM AFTER SUNRISE...ENDING THE THREAT

  • Special Weather Statement

    Kendall, IL

    GRUNDY-WILL-
    INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
    OREGON...DIXON...DEKALB...AURORA...OTTAWA...OSWEGO...MORRIS...
    JOLIET
    357 AM CDT FRI MAY 24 2013

    AN UNSEASONABLY STRONG AND COOL AREA OF HIGH PRESSURE WILL SPREAD
    ACROSS THE MID AND UPPER MISSISSIPPI VALLEY OVERNIGHT. THE
    COMBINATION OF CLEAR SKIES AND DECREASING WINDS ASSOCIATED WITH
    THE HIGH WILL ALLOW TEMPERATURES TO DROP INTO THE MIDDLE TO
    UPPER 30S ACROSS PORTIONS OF NORTHERN ILLINOIS OVERNIGHT. SOME
    PATCHY FROST IS POSSIBLE IN SOME OF THE COLDER MORE SHELTERED
    LOCATIONS BY SUNRISE...ESPECIALLY IN LOW LYING AREAS. ALTHOUGH
    WIDESPREAD FROST IS NOT EXPECTED...ANY FROST THAT DOES FORM COULD
    RESULT IN DAMAGE TO SENSITIVE VEGETATION IF LEFT UNPROTECTED.
    TEMPERATURES WILL QUICKLY WARM AFTER SUNRISE...ENDING THE THREAT

  • Special Weather Statement

    Will, IL

    GRUNDY-WILL-
    INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
    OREGON...DIXON...DEKALB...AURORA...OTTAWA...OSWEGO...MORRIS...
    JOLIET
    357 AM CDT FRI MAY 24 2013

    AN UNSEASONABLY STRONG AND COOL AREA OF HIGH PRESSURE WILL SPREAD
    ACROSS THE MID AND UPPER MISSISSIPPI VALLEY OVERNIGHT. THE
    COMBINATION OF CLEAR SKIES AND DECREASING WINDS ASSOCIATED WITH
    THE HIGH WILL ALLOW TEMPERATURES TO DROP INTO THE MIDDLE TO
    UPPER 30S ACROSS PORTIONS OF NORTHERN ILLINOIS OVERNIGHT. SOME
    PATCHY FROST IS POSSIBLE IN SOME OF THE COLDER MORE SHELTERED
    LOCATIONS BY SUNRISE...ESPECIALLY IN LOW LYING AREAS. ALTHOUGH
    WIDESPREAD FROST IS NOT EXPECTED...ANY FROST THAT DOES FORM COULD
    RESULT IN DAMAGE TO SENSITIVE VEGETATION IF LEFT UNPROTECTED.
    TEMPERATURES WILL QUICKLY WARM AFTER SUNRISE...ENDING THE THREAT

  • Special Weather Statement

    Grundy, IL

    GRUNDY-WILL-
    INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...
    OREGON...DIXON...DEKALB...AURORA...OTTAWA...OSWEGO...MORRIS...
    JOLIET
    357 AM CDT FRI MAY 24 2013

    AN UNSEASONABLY STRONG AND COOL AREA OF HIGH PRESSURE WILL SPREAD
    ACROSS THE MID AND UPPER MISSISSIPPI VALLEY OVERNIGHT. THE
    COMBINATION OF CLEAR SKIES AND DECREASING WINDS ASSOCIATED WITH
    THE HIGH WILL ALLOW TEMPERATURES TO DROP INTO THE MIDDLE TO
    UPPER 30S ACROSS PORTIONS OF NORTHERN ILLINOIS OVERNIGHT. SOME
    PATCHY FROST IS POSSIBLE IN SOME OF THE COLDER MORE SHELTERED
    LOCATIONS BY SUNRISE...ESPECIALLY IN LOW LYING AREAS. ALTHOUGH
    WIDESPREAD FROST IS NOT EXPECTED...ANY FROST THAT DOES FORM COULD
    RESULT IN DAMAGE TO SENSITIVE VEGETATION IF LEFT UNPROTECTED.
    TEMPERATURES WILL QUICKLY WARM AFTER SUNRISE...ENDING THE THREAT

Video Forecast
There could be some patchy fog Thursday night but Friday looks to be clear and pleasant.
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