780
ASUS43 KLOT 190401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-190500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 36 33 89 E3 30.03S TC 2
STERLING* MOCLDY 35 33 92 E6 30.07R WCI 30 TC 2
SAVANNA* MOCLDY 34 31 90 E5 30.05S WCI 30 TC 1
ILZ003-004-008-010-011-017-018-190500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 33 29 85 CALM 30.07R TC 1
FREEPORT* MOCLDY 35 32 87 S5 30.07R WCI 31 TC 2
ROCHELLE* MOCLDY 32 30 92 S3 30.06S TC 0
DE KALB* MOCLDY 33 30 87 CALM 30.05S TC 1
PERU* CLOUDY 39 34 83 CALM 30.07R TC 4
ILZ005-006-012>014-019>023-190500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 38 29 70 CALM 30.04F TC 3
CHICAGO-MIDWAY CLOUDY 39 30 70 CALM 30.05F TC 4
AURORA CLOUDY 33 31 92 CALM 30.05F TC 1
JOLIET* CLOUDY 40 33 76 CALM 30.06F TC 4
WAUKEGAN CLOUDY 33 27 78 SW3 30.04F TC 1
DUPAGE AIRPORT CLOUDY 34 30 85 CALM 30.04F TC 1
WHEELING CLOUDY 35 29 78 CALM 30.06F TC 2
MORRIS* CLOUDY 37 32 83 CALM 30.05F TC 3
ROMEOVILLE* CLOUDY 37 34 87 CALM 30.06F TC 3
LANSING* CLOUDY 39 31 75 CALM 30.06F TC 4
NORTHERLY ISL* N/A 37 28 70 CALM N/A TC 3
LMZ740>746-190500-
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 37 330/ 3/ 4 N/A
NORTHERLY ISL 37 10/ 4/ 8 N/A
CALUMET HARBOR 36 310/ 1/ 3 1017.5
BURNS HARBOR 36 CALM / 1 1018.3F
MICHIGAN CITY 40 230/ 5/ 5 1017.4F
ILZ025>027-034>036-040-047-049-050-058-095>099-190500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 49 40 71 SE8 30.03F TC 9
MACOMB* MOCLDY 42 40 93 SE3 30.06F TC 6
JACKSONVILLE* PTCLDY 44 37 77 SE5 30.06S TC 6
PITTSFIELD* PTCLDY 49 39 67 CALM 30.06F TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-190500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON MOCLDY 43 36 76 CALM 30.07S TC 6
DECATUR MOCLDY 41 38 89 CALM 30.07R TC 5
PEORIA MOCLDY 41 36 82 CALM 30.07R TC 5
LACON* MOCLDY 37 33 85 CALM 30.06S TC 3
LINCOLN* MOCLDY 46 36 68 CALM 30.07R TC 8
SPRINGFIELD MOCLDY 44 38 79 CALM 30.07S TC 7
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-190500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 38 36 92 S6 30.06F WCI 33 TC 3
DANVILLE* MOCLDY 41 36 82 CALM 30.08S TC 5
RANTOUL* MOCLDY 39 35 85 CALM 30.07S TC 4
MATTOON MOCLDY 48 37 65 S5 30.06S TC 9
PARIS* MOCLDY 40 34 77 CALM 30.08S TC 5
ILZ079-100>102-190500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 52 37 58 SE8 30.06 TC 11
BELLEVILLE PTCLDY 49 39 70 S3 30.06R TC 9
CAHOKIA* PTCLDY 48 37 65 CALM 30.07R TC 9
SPARTA* PTCLDY 53 36 52 SE5 30.09R TC 12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-190500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTCLDY 50 35 56 S3 30.09S TC 10
CAIRO* CLEAR 54 37 51 S5 30.12S TC 12
EFFINGHAM* PTCLDY 42 39 89 CALM 30.10S TC 6
MARION PTCLDY 49 34 56 S5 30.10F TC 9
MT. VERNON N/A 39 36 89 CALM 30.10S TC 4
CENTRALIA* PTCLDY 50 37 61 S6 30.09S TC 10
SALEM* PTCLDY 53 37 54 S3 30.09S TC 11
METROPOLIS* CLEAR 44 34 69 CALM 30.12S TC 7
ILZ067-068-072-073-078-083-087-091-190500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 42 35 76 S7 30.10S TC 6
FLORA* PTCLDY 43 37 81 S6 30.09S TC 6
FAIRFIELD* PTCLDY 43 36 77 CALM 30.10S TC 6
HARRISBURG* PTCLDY 42 36 76 CALM 30.11S TC 6
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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