113
ASUS43 KLOT 190210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-190300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 36 33 89 E3 30.02F TC 2
STERLING* MOCLDY 36 30 79 CALM 30.05F TC 2
SAVANNA* MOCLDY 34 31 88 SE5 30.04F WCI 30 TC 1
ILZ003-004-008-010-011-017-018-190300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 34 27 75 CALM 30.06S TC 1
FREEPORT* MOCLDY 35 31 83 CALM 30.06R TC 2
ROCHELLE* MOCLDY 36 31 82 CALM 30.06R TC 2
DE KALB* MOCLDY 35 30 84 N5 30.06R WCI 30 TC 1
PERU* PTCLDY 42 35 79 NW3 30.06R TC 5
ILZ005-006-012>014-019>023-190300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 39 29 67 NW6 30.04R WCI 35 TC 4
CHICAGO-MIDWAY MOCLDY 41 31 67 NW8 30.05R TC 5
AURORA MOCLDY 34 31 88 CALM 30.05R TC 1
JOLIET* MOCLDY 42 34 73 CALM 30.06R TC 6
WAUKEGAN MOCLDY 36 26 67 NW5 30.05R WCI 32 TC 2
DUPAGE AIRPORT MOCLDY 36 30 79 N7 30.05R WCI 30 TC 2
KANKAKEE* PTCLDY 42 35 78 CALM 30.07R TC 5
WHEELING MOCLDY 38 29 70 N5 30.07R WCI 34 TC 3
MORRIS* PTCLDY 38 34 83 CALM 30.05R TC 4
ROMEOVILLE* MOCLDY 39 36 87 NW7 30.06R WCI 34 TC 4
LANSING* PTCLDY 41 32 70 CALM 30.04S TC 5
NORTHERLY ISL* N/A 37 32 82 N6 N/A WCI 32 TC 3
LMZ740>746-190300-
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 37 10/ 7/ 7 N/A
NORTHERLY ISL 36 10/ 5/ 9 N/A
CALUMET HARBOR 44 260/ 3/ 5 1016.6
BURNS HARBOR 41 270/ 2/ 2 1017.6R
MICHIGAN CITY 42 CALM / 1 1017.2R
ILZ025>027-034>036-040-047-049-050-058-095>099-190300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 51 41 68 E7 30.03R TC 11
GALESBURG* MOCLDY 40 39 97 CALM 30.05S TC 4
MACOMB* MOCLDY 44 42 92 CALM 30.07R TC 7
JACKSONVILLE* PTCLDY 48 38 68 CALM 30.05R TC 9
PITTSFIELD* PTCLDY 53 39 58 CALM 30.05R TC 12
ILZ028>032-037-038-041>044-048-051>054-059>061-190300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTCLDY 42 34 73 S3 30.06R TC 6
DECATUR PTCLDY 47 38 71 CALM 30.05R TC 8
PEORIA PTCLDY 48 37 65 CALM 30.05R TC 9
LACON* PTCLDY 40 34 78 CALM 30.06R TC 5
LINCOLN* MOCLDY 47 36 66 CALM 30.05S TC 8
SPRINGFIELD PTCLDY 49 38 65 CALM 30.06R TC 9
TAYLORVILLE PTCLDY 48 37 66 CALM 30.06R TC 9
ILZ033-039-045-046-055>057-062-063-190300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 45 39 79 SW7 30.05R TC 7
DANVILLE* CLEAR 45 37 73 CALM 30.07R TC 7
RANTOUL* PTCLDY 44 36 74 CALM 30.06R TC 6
MATTOON PTCLDY 45 38 76 S5 30.06R TC 7
PARIS* CLEAR 42 34 74 CALM 30.07R TC 6
ILZ079-100>102-190300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 50 37 62 SE7 30.05R TC 10
BELLEVILLE PTCLDY 53 39 59 S3 30.04R TC 12
CAHOKIA* MOCLDY 56 38 50 SE8 30.04 TC 13
SPARTA* MOCLDY 55 35 46 S8 30.06R TC 13
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 52 36 54 S3 30.07R TC 11
CAIRO* PTCLDY 55 37 50 S6 30.10R TC 13
EFFINGHAM* PTCLDY 47 38 72 CALM 30.09R TC 8
MARION PTCLDY 49 34 55 S6 30.09R TC 10
MT. VERNON N/A 47 37 68 CALM 30.08R TC 8
CENTRALIA* CLEAR 49 37 65 S7 30.07R TC 9
SALEM* PTCLDY 54 37 53 S5 30.07R TC 12
METROPOLIS* CLEAR 52 33 48 CALM 30.10R TC 11
ILZ067-068-072-073-078-083-087-091-190300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 44 36 73 S8 30.08R TC 7
FLORA* PTCLDY 48 37 66 S7 30.08R TC 9
FAIRFIELD* PTCLDY 49 37 61 CALM 30.08R TC 10
HARRISBURG* PTCLDY 46 36 66 SE3 30.09R TC 8
ROBINSON* CLEAR 41 37 87 S3 30.07R TC 5
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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