834
ASUS43 KLOT 021010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT SAT MAY 02 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.
ILZ001-002-007-009-015-016-024-021100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 35 33 92 S3 30.10S TC 2
STERLING* CLEAR 33 33 100 CALM 30.12S TC 1
SAVANNA* CLEAR 31 29 93 CALM 30.11S TC 0
ILZ003-004-008-010-011-017-018-021100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 29 28 96 CALM 30.12S TC -2
FREEPORT* CLEAR 32 31 97 CALM 30.12S TC 0
ROCHELLE* CLEAR 29 27 92 CALM 30.11S TC -2
DE KALB* CLEAR 32 30 92 CALM 30.11S TC 0
PERU* CLEAR 37 34 87 CALM 30.11S TC 3
ILZ005-006-012>014-019>023-021100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 33 29 85 CALM 30.09S TC 1
CHICAGO-MIDWAY PTCLDY 33 30 88 NW3 30.10S TC 1
AURORA CLEAR 29 29 100 CALM 30.10R TC -2
JOLIET* CLEAR 30 29 97 CALM 30.11S TC -1
WAUKEGAN CLEAR 29 27 92 CALM 30.10R TC -2
DUPAGE AIRPORT CLEAR 29 29 100 N3 30.09S TC -2
KANKAKEE* CLEAR 37 31 79 CALM 30.12R TC 3
WHEELING CLEAR 31 30 96 CALM 30.11S TC -1
MORRIS* CLEAR 36 30 80 CALM 30.10S TC 2
ROMEOVILLE* CLEAR 34 34 100 NW3 30.11S TC 1
LANSING* CLEAR 29 28 96 CALM 30.11S TC -2
NORTHERLY ISL* N/A 40 28 63 W5 N/A TC 4
LMZ740>746-021100-
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 1013.7 1
WAUKEGAN HARBOR 37 48 270/ 6/ 8 1018.7 1
HARRISON CRIB 42 290/ 6/ 7 N/A
NORTHERLY ISL 39 290/ 3/ 4 N/A
CALUMET HARBOR 36 280/ 3/ 3 1018.7S
BURNS HARBOR 41 CALM 1019.6S
MICHIGAN CITY 36 120/ 1/ 2 1019.4S
ST. JOSEPH BUOY 40 320/ 6/ 8 1019.6F 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-021100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 42 39 89 NE3 30.08R TC 6
GALESBURG* CLEAR 38 32 81 E5 30.12S WCI 34 TC 3
MACOMB* CLOUDY 40 38 92 NE7 30.12R TC 5
JACKSONVILLE* CLOUDY 44 39 83 NE3 30.08S TC 6
PITTSFIELD* CLOUDY 45 40 83 N5 30.09R TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-021100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 36 32 87 MISG 30.11S TC 2
BLOOMINGTON MOCLDY 38 34 85 E6 30.11R WCI 33 TC 3
DECATUR CLOUDY 42 38 85 E8 30.08S TC 6
PEORIA MOCLDY 37 32 82 NE6 30.11R WCI 32 TC 3
LACON* CLOUDY 35 31 85 CALM 30.11S TC 2
LINCOLN* CLOUDY 42 36 79 NE8 30.10S TC 5
SPRINGFIELD CLOUDY 44 39 82 NE7 30.08R TC 7
TAYLORVILLE CLOUDY 45 39 81 NE3 30.08S TC 7
ILZ033-039-045-046-055>057-062-063-021100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 40 32 73 NE9 30.09R TC 4
DANVILLE* CLOUDY 40 34 77 CALM 30.10S TC 5
RANTOUL* CLOUDY 40 32 74 NE6 30.10R TC 5
MATTOON CLOUDY 43 38 82 NE10 30.06S TC 6
PARIS* CLOUDY 40 33 75 NE5 30.09R TC 5
ILZ079-100>102-021100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 46 43 89 CALM 30.04S TC 8
BELLEVILLE PTCLDY 50 45 85 E5 30.01S TC 10
CAHOKIA* PTCLDY 47 45 93 CALM 30.03R TC 8
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-021100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 44 43 96 CALM 30.03S TC 7
CAIRO* MOCLDY 47 45 91 CALM 30.04S TC 8
EFFINGHAM* CLOUDY 46 44 94 CALM 30.07F TC 8
MARION CLOUDY N/A N/A N/A CALM 30.05R
MT. VERNON CLOUDY 44 42 93 NE3 30.06R TC 7
CENTRALIA* CLOUDY 47 44 87 CALM 30.05S TC 9
SALEM* CLOUDY 49 44 82 CALM 30.04F TC 10
METROPOLIS* PTCLDY 41 41 100 CALM 30.04S TC 5
ILZ067-068-072-073-078-083-087-091-021100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 46 42 86 NE3 30.05F TC 8
FLORA* MOCLDY 48 45 87 N5 30.06R TC 9
FAIRFIELD* CLOUDY 47 41 82 N3 30.04F TC 8
HARRISBURG* PTCLDY 42 41 96 CALM 30.04S TC 6
ROBINSON* LGT RAIN 46 43 87 NE10 30.06S TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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