603
NZUS59 KLOT 201701
HRRLOT
CHICAGO AREA WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT SUN SEP 20 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ005-006-012>014-019>023-201800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
OHARE LGT RAIN 66 64 93 NE16 29.96S
MIDWAY RAIN 67 65 93 NE9 29.96S FOG
AURORA LGT RAIN 65 65 100 NE7 29.97S FOG
LANSING* LGT RAIN 66 65 95 NE5 29.94F
JOLIET* DRIZZLE 68 68 100 NE3 29.97S
WAUKEGAN LGT RAIN 64 63 96 NE12G23 29.98F
DUPAGE AIRPORT LGT RAIN 65 64 97 NE6 29.98R
WHEELING LGT RAIN 65 64 97 NE8 29.99R
LEWIS AIRPORT* LGT RAIN 66 66 100 NE9 29.97R FOG
NORTHERLY ISL* N/A 65 63 93 NE14 N/A
WIZ051-052-058>065-066-070>072-201800-
SOUTHEAST WISCONSIN
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MILWAUKEE CLOUDY 62 59 90 NE10 30.03R
KENOSHA* LGT RAIN 63 61 94 NE13 29.99F
RACINE* CLOUDY 63 61 93 NE15 30.03F
INZ001>003-010>013-019-020-201800-
NORTHWEST INDIANA
CITY SKY/WX TMP DP RH WIND PRES REMARKS
GARY* LGT RAIN 66 66 100 NE10 29.94S
MICHIGAN CITY* NOT AVBL
RENSSELAER* NOT AVBL
VALPARAISO CLOUDY 70 68 93 E6 29.94F
LMZ740>746-201800-
SOUTHERN LAKE MICHIGAN
STATION/POSITION TIME SKY/WX TEMP WIND PRES VSBY
AIR DIR/SP/G
(UTC) (F) (DEG/KT/KT) (MB) (MI)
HARRISON CRIB NOT AVBL
NORTHERLY ISL 1615 66 50/ 11/ 15 N/A
CALUMET HARBOR 1624 66 20/ 9/ 12 1014.4
BURNS HARBOR NOT AVBL
MICHIGAN CITY NOT AVBL
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page