554
ASUS43 KLOT 182310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-190000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 48 34 58 SW5 29.99R TC 9
STERLING* SUNNY 44 31 60 W6 30.01R TC 7
SAVANNA* MOSUNNY 42 30 62 W3 30.00R TC 6
ILZ003-004-008-010-011-017-018-190000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 39 27 62 W7 30.02R WCI 34 TC 4
FREEPORT* SUNNY 39 30 70 SW6 30.01R WCI 35 TC 4
ROCHELLE* SUNNY 41 31 67 W9 30.01R TC 5
DE KALB* SUNNY 39 31 72 W8 30.01R WCI 34 TC 4
PERU* SUNNY 48 35 60 W7 30.00S TC 9
ILZ005-006-012>014-019>023-190000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 46 30 53 W7 29.97S TC 8
CHICAGO-MIDWAY MOSUNNY 47 31 53 SW10 29.98S TC 8
AURORA SUNNY 43 34 70 W10 29.99R TC 6
JOLIET* SUNNY 49 34 56 W6 30.00R TC 10
WAUKEGAN SUNNY 41 27 57 W9 29.99R TC 5
DUPAGE AIRPORT SUNNY 43 32 65 SW10 29.99R TC 6
KANKAKEE* SUNNY 51 35 55 W12 30.01S TC 10
WHEELING MOSUNNY 44 29 55 W9 30.00R TC 7
MORRIS* SUNNY 47 33 58 W9 29.99R TC 9
ROMEOVILLE* SUNNY 46 36 66 SW8G15 30.00R TC 8
LANSING* SUNNY 47 33 57 SW12 29.99S TC 8
NORTHERLY ISL* N/A 47 28 48 S6 N/A TC 8
LMZ740>746-190000-
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 42 120/ 8/ 9 N/A
NORTHERLY ISL 48 230/ 2/ 10 N/A
CALUMET HARBOR 47 190/ 7/ 11 1014.9F
BURNS HARBOR 47 220/ 7/ 10 1016.3S
MICHIGAN CITY 44 170/ 8/ 9 1015.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-190000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 61 41 47 SW5 29.98S TC 16
GALESBURG* MOSUNNY 49 42 78 CALM 30.01R TC 9
MACOMB* PTSUNNY 55 44 67 W8 30.02S TC 13
JACKSONVILLE* MOSUNNY 61 39 43 W5 29.99S TC 16
PITTSFIELD* PTSUNNY 63 39 42 SW5 30.00S TC 17
ILZ028>032-037-038-041>044-048-051>054-059>061-190000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON SUNNY 54 38 54 W12 30.01R TC 12
DECATUR SUNNY 59 37 44 W10 30.01R TC 15
PEORIA MOSUNNY 55 37 50 NW7 30.00R TC 13
LACON* SUNNY 51 34 52 W5 29.99F TC 11
LINCOLN* MOSUNNY 59 32 35 W5 30.00S TC 15
SPRINGFIELD MOSUNNY 61 41 47 SW8 29.99S TC 16
TAYLORVILLE MOSUNNY 61 39 44 W7 30.01R TC 16
ILZ033-039-045-046-055>057-062-063-190000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 56 39 53 W14 30.01R TC 13
DANVILLE* SUNNY 54 36 51 W12 30.03R TC 12
RANTOUL* SUNNY 55 37 51 W12 30.01R TC 13
MATTOON SUNNY 55 37 50 S9 30.01R TC 13
PARIS* SUNNY 53 37 53 CALM 30.03R TC 12
ILZ079-100>102-190000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 64 36 34 W8 30.00S TC 18
BELLEVILLE MOSUNNY 65 39 38 S8 29.98S TC 19
CAHOKIA* MOSUNNY 69 35 28 CALM 29.99R TC 21
SPARTA* MOSUNNY 62 36 38 S8 30.03S TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 60 38 43 S12 30.05S TC 16
CAIRO* MOSUNNY 62 37 39 SW13 30.08S TC 17
EFFINGHAM* SUNNY 59 38 46 S9 30.04S TC 15
MARION MOSUNNY 61 36 39 S13 30.05S TC 16
MT. VERNON N/A 60 38 43 SW10 30.04R TC 16
CENTRALIA* SUNNY 62 37 39 S9 30.03S TC 17
SALEM* SUNNY 62 38 40 SW7 30.02S TC 17
METROPOLIS* SUNNY 61 32 33 CALM 30.08S TC 16
ILZ067-068-072-073-078-083-087-091-190000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 58 33 39 SW13 30.04S TC 14
FLORA* SUNNY 59 39 47 SW8 30.04R TC 15
FAIRFIELD* SUNNY 59 34 38 SW8 30.04S TC 15
HARRISBURG* SUNNY 60 32 35 SW10 30.07R TC 16
ROBINSON* SUNNY 57 37 47 SW13 30.03R TC 14
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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