553
ASUS43 KLOT 020306
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT FRI MAY 01 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.
ILZ001-002-007-009-015-016-024-020400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 43 36 76 CALM 30.06R TC 6
STERLING* CLEAR 43 37 79 E10 30.09R TC 6
SAVANNA* CLEAR 44 32 63 NE9 30.08R TC 7
ILZ003-004-008-010-011-017-018-020400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 39 34 82 VRB5 30.11R TC 4
FREEPORT* CLEAR 39 35 85 E6 30.11R WCI 35 TC 4
ROCHELLE* CLEAR 39 34 81 E10 30.10R WCI 33 TC 4
DE KALB* CLEAR 36 32 87 E8 30.11R WCI 29 TC 2
ILZ005-006-012>014-019>023-020400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 38 26 62 SE3 30.09R TC 3
CHICAGO-MIDWAY PTCLDY 41 26 55 E5 30.10R TC 5
AURORA CLEAR 38 32 79 E10 30.10R WCI 31 TC 3
JOLIET* MOCLDY 41 31 68 NE7 30.11R TC 5
WAUKEGAN CLEAR 32 29 88 CALM 30.09R TC 0
DUPAGE AIRPORT CLEAR 37 31 78 CALM 30.10R TC 3
KANKAKEE* CLEAR 40 32 72 NE9 30.11R TC 4
WHEELING PTCLDY 38 28 67 CALM 30.11R TC 3
ROMEOVILLE* MOCLDY 37 32 81 NE9 30.11R WCI 31 TC 3
LANSING* CLEAR 38 28 65 NE3 30.11S TC 4
NORTHERLY ISL* N/A 40 26 58 N6 N/A TC 4
LMZ740>746-020400-
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)
WINTHROP HARBOR 48 1012.2F 1/ 4
WAUKEGAN HARBOR 41 48 50/ 2/ 6 1018.7R 1/ 4
HARRISON CRIB 42 40/ 9/ 10 N/A
NORTHERLY ISL 40 10/ 7/ 12 N/A
CALUMET HARBOR 41 20/ 4/ 9 1018.9
BURNS HARBOR 42 20/ 5/ 6 1019.6R
MICHIGAN CITY 40 10/ 10/ 12 1018.8R
ST. JOSEPH BUOY 41 340/ 12/ 14 1019.4R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-020400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 48 39 71 E5 30.06R TC 9
GALESBURG* CLOUDY 44 35 70 N3 30.08R TC 7
MACOMB* PTCLDY 46 40 80 CALM 30.09R TC 8
JACKSONVILLE* CLEAR 45 40 82 CALM 30.07R TC 7
PITTSFIELD* PTCLDY 49 40 71 NE5 30.08R TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-020400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 44 38 81 MISG 30.08R TC 7
BLOOMINGTON CLOUDY 47 38 71 E8 30.08R TC 8
DECATUR CLOUDY 49 41 74 N6 30.07R TC 9
PEORIA PTCLDY 47 38 71 W3 30.06R TC 8
LACON* CLOUDY 46 34 62 E6 30.07R TC 8
LINCOLN* MOCLDY 49 41 72 E3 30.07R TC 10
SPRINGFIELD MOCLDY 49 41 74 NE5 30.07R TC 9
TAYLORVILLE MOCLDY 52 39 62 NE7 30.07R TC 11
ILZ033-039-045-046-055>057-062-063-020400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 50 35 56 CALM 30.08R TC 10
DANVILLE* PTCLDY 44 37 78 NE3 30.09R TC 7
RANTOUL* CLOUDY 46 37 68 NE6 30.08R TC 8
MATTOON CLOUDY 48 41 76 SE5 30.07R TC 9
PARIS* CLOUDY 46 39 78 CALM 30.08R TC 8
ILZ079-100>102-020400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 55 37 50 VRB5 30.05R TC 13
BELLEVILLE PTCLDY 53 45 74 SE3 30.04R TC 12
CAHOKIA* CLOUDY 54 39 57 CALM 30.05R TC 12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-020400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 48 41 76 CALM 30.06R TC 9
CAIRO* PTCLDY 52 43 69 CALM 30.08R TC 11
EFFINGHAM* CLOUDY 50 42 73 NE3 30.09R TC 10
MARION CLEAR 46 39 76 CALM 30.08R TC 8
MT. VERNON CLEAR 43 40 89 CALM 30.07R TC 6
CENTRALIA* CLOUDY 47 44 87 CALM 30.06R TC 9
SALEM* CLOUDY 51 44 79 CALM 30.06R TC 10
METROPOLIS* PTCLDY 47 41 79 CALM 30.08R TC 9
ILZ067-068-072-073-078-083-087-091-020400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 49 39 68 NE6 30.07R TC 9
FLORA* CLEAR 48 43 81 E3 30.07R TC 9
FAIRFIELD* CLEAR 46 42 84 CALM 30.07R TC 8
HARRISBURG* CLEAR 47 41 81 CALM 30.08R TC 8
ROBINSON* MOCLDY 46 41 81 N3 30.07R TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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