206
ASUS43 KLOT 040310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT SUN MAY 03 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.
ILZ001-002-007-009-015-016-024-040400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 63 40 42 W8 29.72R TC 17
STERLING* CLEAR 62 42 47 SW12 29.72R TC 17
SAVANNA* CLEAR 59 42 53 W3 29.71R TC 15
ILZ003-004-008-010-011-017-018-040400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 58 44 60 S7 29.71R TC 14
FREEPORT* CLEAR 56 46 69 SW7 29.71S TC 14
ROCHELLE* CLEAR 54 41 61 SW7 29.72R TC 12
DE KALB* CLEAR 55 45 68 SW8 29.72R TC 13
PERU* CLEAR 57 45 62 SW8 29.73S TC 14
ILZ005-006-012>014-019>023-040400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 61 42 49 SW10 29.70R TC 16
CHICAGO-MIDWAY CLEAR 60 43 53 S8 29.72R TC 16
AURORA CLEAR 58 44 60 S9 29.71R TC 14
JOLIET* CLEAR 58 45 61 S5 29.74R TC 15
WAUKEGAN CLEAR 56 42 59 SW5 29.68R TC 13
DUPAGE AIRPORT CLEAR 58 44 60 SW10 29.71R TC 14
KANKAKEE* CLEAR 56 43 61 S7 29.78R TC 13
WHEELING PTCLDY 61 43 51 SW7 29.72R TC 16
MORRIS* CLEAR 57 45 62 SW7 29.73S TC 14
ROMEOVILLE* CLEAR 55 46 71 S9 29.74R TC 13
LANSING* CLEAR 54 42 66 SW8 29.75S TC 12
NORTHERLY ISL* N/A 62 41 46 S13 N/A TC 17
LMZ740>746-040400-
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 47 1007.5 1/ 4
WAUKEGAN HARBOR 56 49 210/ 6/ 8 1006.8 1/ 4
HARRISON CRIB 64 210/ 17/ 19 N/A
NORTHERLY ISL 63 190/ 9/ 12 N/A
CALUMET HARBOR 62 200/ 8/ 11 1006.4R
BURNS HARBOR 58 190/ 9/ 12 1007.8R
MICHIGAN CITY 59 180/ 15/ 20 1006.0R
ST. JOSEPH BUOY 54 180/ 12/ 14 1007.8R 2/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-040400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 61 47 59 CALM 29.79R TC 16
GALESBURG* CLEAR 56 42 58 SW8 29.77S TC 14
MACOMB* PTCLDY 57 47 69 SW6 29.80R TC 14
JACKSONVILLE* MOCLDY 61 52 72 CALM 29.80R TC 16
PITTSFIELD* PTCLDY 61 50 68 CALM 29.80S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-040400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 58 43 56 MISG 29.76S TC 15
BLOOMINGTON CLEAR 57 45 64 SW7 29.80R TC 14
DECATUR PTCLDY 58 47 66 SW9 29.81S TC 14
PEORIA CLEAR 58 45 62 SW6 29.77S TC 14
LACON* CLEAR 58 44 58 SW6 29.75R TC 15
LINCOLN* PTCLDY 58 48 69 CALM 29.80R TC 15
SPRINGFIELD MOCLDY 61 51 70 CALM 29.80S TC 16
TAYLORVILLE CLOUDY 61 48 63 SE6 29.82R TC 16
ILZ033-039-045-046-055>057-062-063-040400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 57 45 64 S9 29.82R TC 14
DANVILLE* CLEAR 58 43 57 SW9G16 29.83R TC 14
RANTOUL* CLEAR 57 43 59 S7 29.80S TC 14
MATTOON MOCLDY 61 44 53 S14 29.82F TC 16
PARIS* MOCLDY 56 42 59 S8 29.84S TC 14
ILZ079-100>102-040400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 68 46 45 S10 29.81R TC 20
BELLEVILLE CLEAR 65 48 52 SW10 29.80R TC 19
CAHOKIA* PTCLDY 68 44 42 VRB6 29.80S TC 20
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-040400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 63 44 50 S13 29.87S TC 17
CAIRO* CLEAR 66 44 43 SW7 29.93R TC 19
EFFINGHAM* LGT RAIN 59 47 66 CALM 29.89R TC 15
MARION CLEAR N/A N/A N/A S10 29.89S
MT. VERNON CLEAR 59 44 57 S9 29.86R TC 15
CENTRALIA* CLEAR 63 44 50 S14 29.84S TC 17
SALEM* PTCLDY 64 45 49 S12G17 29.83S TC 18
METROPOLIS* CLEAR 62 42 48 S5 29.93S TC 17
ILZ067-068-072-073-078-083-087-091-040400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 59 45 59 S13 29.88R TC 15
FLORA* MOCLDY 61 43 51 S9 29.86S TC 16
FAIRFIELD* CLEAR 60 41 50 S8 29.87F TC 15
HARRISBURG* PTCLDY 60 42 51 S6 29.90S TC 15
ROBINSON* MOCLDY 61 43 51 SW13 29.86S TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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