202
ASUS43 KLOT 021312
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-021400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 43 36 76 CALM 30.13R TC 6
STERLING* SUNNY 42 37 82 W5 30.15R TC 6
SAVANNA* MOSUNNY 41 39 91 CALM 30.14R TC 5
ILZ003-004-008-010-011-017-018-021400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 39 34 82 CALM 30.15R TC 4
FREEPORT* MOSUNNY 40 39 95 W5 30.15R TC 5
ROCHELLE* SUNNY 39 33 81 CALM 30.14R TC 4
DE KALB* SUNNY 38 32 80 CALM 30.14R TC 3
PERU* SUNNY 43 34 70 CALM 30.13S TC 6
ILZ005-006-012>014-019>023-021400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 42 30 62 NW5 30.11S TC 6
CHICAGO-MIDWAY MOSUNNY 41 29 62 CALM 30.12S TC 5
AURORA SUNNY 40 34 79 CALM 30.12R TC 4
JOLIET* SUNNY 41 35 79 CALM 30.14S TC 5
WAUKEGAN SUNNY 39 32 76 W7 30.11R WCI 34 TC 4
DUPAGE AIRPORT SUNNY 38 33 82 CALM 30.12R TC 3
KANKAKEE* SUNNY 41 31 68 CALM 30.14R TC 5
WHEELING MOSUNNY 40 31 70 CALM 30.14R TC 4
MORRIS* SUNNY 39 34 81 CALM 30.13R TC 4
ROMEOVILLE* SUNNY 39 34 81 CALM 30.13R TC 4
LANSING* SUNNY 40 32 73 CALM 30.13S TC 5
NORTHERLY ISL* N/A 44 27 51 NW6 N/A TC 7
LMZ740>746-021400-
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 1023.8 1
WAUKEGAN HARBOR 42 48 290/ 8/ 12 1019.3 0
HARRISON CRIB 41 290/ 7/ 8 N/A
NORTHERLY ISL 43 290/ 6/ 7 N/A
CALUMET HARBOR 42 260/ 1/ 3 1019.6R
BURNS HARBOR 42 10/ 2/ 4 1020.7R
MICHIGAN CITY 39 80/ 2/ 3 1019.9
ST. JOSEPH BUOY 41 320/ 4/ 6 1020.5R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-021400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 44 40 85 NE6 30.11R TC 7
GALESBURG* PTSUNNY 41 34 75 SE3 30.14S TC 5
MACOMB* CLOUDY 42 39 90 E8 30.15R TC 5
JACKSONVILLE* CLOUDY 44 41 89 NE8 30.12R TC 7
PITTSFIELD* CLOUDY 47 41 80 NW9 30.12R TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-021400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 42 31 65 MISG 30.13S TC 6
BLOOMINGTON SUNNY 45 30 55 E7 30.13R TC 7
DECATUR CLOUDY 44 35 70 E9 30.12R TC 7
PEORIA PTSUNNY 42 34 73 CALM 30.13R TC 6
LACON* SUNNY 43 31 63 CALM 30.13R TC 6
LINCOLN* PTSUNNY 44 36 73 E3 30.13S TC 7
SPRINGFIELD PTSUNNY 46 36 68 E8 30.12R TC 8
TAYLORVILLE CLOUDY 45 36 70 E8G16 30.11S TC 7
ILZ033-039-045-046-055>057-062-063-021400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 44 32 62 E7 30.11R TC 7
DANVILLE* SUNNY 43 30 60 E6 30.12S TC 6
RANTOUL* SUNNY 43 30 59 E5 30.12R TC 6
MATTOON PTSUNNY 44 34 67 NE10 30.10R TC 7
PARIS* PTSUNNY 44 33 65 NE6 30.12R TC 7
ILZ079-100>102-021400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 50 43 76 N8 30.09R TC 10
BELLEVILLE PTSUNNY 51 47 86 N8 30.06R TC 10
CAHOKIA* MOSUNNY 50 45 83 N8 30.08 TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-021400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 49 44 83 SE3 30.05S TC 9
CAIRO* MOSUNNY 51 47 87 CALM 30.07S TC 11
EFFINGHAM* CLOUDY 46 44 93 CALM 30.11R TC 8
MARION MOSUNNY 48 45 87 SE5 30.06R TC 9
MT. VERNON CLOUDY 49 43 80 NE5 30.08R TC 9
CENTRALIA* PTSUNNY 50 43 76 E8 30.07S TC 10
SALEM* CLOUDY 51 45 79 E5 30.07S TC 10
METROPOLIS* CLOUDY 49 46 87 CALM 30.06S TC 10
ILZ067-068-072-073-078-083-087-091-021400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 47 39 74 NE9 30.10R TC 8
FLORA* LGT RAIN 48 45 87 NE9 30.09R TC 9
FAIRFIELD* MOSUNNY 48 43 82 NE3 30.08R TC 9
HARRISBURG* MOSUNNY 48 44 85 E3 30.07S TC 9
ROBINSON* LGT RAIN 46 39 76 NE7 30.10R TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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