851
ASUS43 KLOT 181656
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 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.
ILZ001-002-007-009-015-016-024-181800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 38 24 57 SW13 29.98R WCI 30 TC 3
ILZ003-004-008-010-011-017-018-181800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 32 24 72 S14 30.00F WCI 22 TC 0
ILZ005-006-012>014-019>023-181800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 34 24 67 S15 30.00F WCI 24 TC 1
CHICAGO-MIDWAY NOT AVBL
AURORA SUNNY 34 25 69 S15 29.99F WCI 24 TC 1
WAUKEGAN CLOUDY 32 22 66 S15G24 29.99F WCI 22 TC 0
DUPAGE AIRPORT SUNNY 33 24 69 S17G25 30.00S WCI 22 TC 1
WHEELING MOSUNNY 33 23 66 S16 30.01F WCI 23 TC 1
ROMEOVILLE* SUNNY 34 27 75 S16 30.02F WCI 23 TC 1
NORTHERLY ISL* N/A 32 23 70 SW14 N/A WCI 22 TC 0
LMZ740>746-181800-
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 31 200/ 20/ 20 N/A
NORTHERLY ISL 30 180/ 12/ 18 N/A
CALUMET HARBOR 29 160/ 15/ 18 1016.8
BURNS HARBOR 30 180/ 10/ 15 1017.9F
MICHIGAN CITY 29 170/ 17/ 20 1017.9F
ILZ025>027-034>036-040-047-049-050-058-095>099-181800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ028>032-037-038-041>044-048-051>054-059>061-181800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PEORIA NOT AVBL
SPRINGFIELD SUNNY 48 30 49 SW10 30.01S TC 9
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-181800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ILZ079-100>102-181800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 52 30 43 S10 30.03S TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 53 32 44 S20G32 30.08F TC 12
MARION MOSUNNY 50 28 43 S16G25 30.10F TC 10
ILZ067-068-072-073-078-083-087-091-181800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 44 30 57 SW18 30.11F TC 7
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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