581
ASUS43 KLOT 182356
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 PM CDT WED MAR 18 2026
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR S TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-190100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 45 35 68 CALM 30.02R TC 7
6HR MIN TEMP: 39; 6HR MAX TEMP: 49;
ILZ003-004-008-010-011-017-018-190100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 37 28 70 W6 30.04R WCI 32 TC 3
6HR MIN TEMP: 34; 6HR MAX TEMP: 40;
ILZ005-006-012>014-019>023-190100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 43 30 60 W6 30.01R TC 6
6HR MIN TEMP: 37; 6HR MAX TEMP: 46;
CHICAGO-MIDWAY NOT AVBL
AURORA CLEAR 39 34 82 NW7 30.02R WCI 34 TC 4
6HR MIN TEMP: 37; 6HR MAX TEMP: 45;
WAUKEGAN CLEAR 38 27 64 W6 30.02R WCI 33 TC 3
6HR MIN TEMP: 34; 6HR MAX TEMP: 41;
DUPAGE AIRPORT CLEAR 40 32 73 W10 30.02R TC 4
6HR MIN TEMP: 36; 6HR MAX TEMP: 44;
WHEELING CLEAR 42 29 59 W8 30.03R TC 6
6HR MIN TEMP: 37; 6HR MAX TEMP: 45;
ROMEOVILLE* CLEAR 45 36 70 W9 30.02R TC 7
NORTHERLY ISL* N/A 46 30 54 W6 N/A TC 8
LMZ740>746-190100-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 39 100/ 8/ 9 N/A
NORTHERLY ISL 47 240/ 2/ 10 N/A
CALUMET HARBOR 47 220/ 5/ 10 1015.4
BURNS HARBOR 47 220/ 5/ 8 1016.6R
MICHIGAN CITY 45 170/ 7/ 9 1015.6S
ILZ025>027-034>036-040-047-049-050-058-095>099-190100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-190100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD PTCLDY 58 38 47 W5 30.01R TC 14
6HR MIN TEMP: 51; 6HR MAX TEMP: 62;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-190100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 59 41 51 CALM 30.01R TC 15
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 56 37 49 S8 30.05S TC 13
6HR MIN TEMP: 55; 6HR MAX TEMP: 61;
MARION PTCLDY 57 37 47 S7 30.06R TC 14
ILZ067-068-072-073-078-083-087-091-190100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
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