948
ASUS43 KLOT 020406
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-020500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 43 36 76 CALM 30.07R TC 6
STERLING* CLEAR 41 38 89 E12 30.11R TC 5
SAVANNA* PTCLDY 42 33 70 NE9 30.10R TC 6
ILZ003-004-008-010-011-017-018-020500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 37 32 82 CALM 30.13R TC 3
FREEPORT* CLEAR 37 36 95 E6 30.13R WCI 32 TC 3
ROCHELLE* CLEAR 37 32 81 E9 30.12R WCI 30 TC 3
DE KALB* CLEAR 34 32 92 E3 30.12R TC 1
PERU* MOCLDY 43 36 75 E12 30.10R TC 6
ILZ005-006-012>014-019>023-020500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 39 26 59 CALM 30.10R TC 4
CHICAGO-MIDWAY PTCLDY 40 26 57 CALM 30.11R TC 4
AURORA CLEAR 35 31 85 E3 30.11R TC 2
JOLIET* PTCLDY 40 30 69 CALM 30.12R TC 4
WAUKEGAN CLEAR 32 28 85 CALM 30.10R TC 0
DUPAGE AIRPORT CLEAR 36 31 82 CALM 30.10S TC 2
KANKAKEE* CLEAR 38 30 72 E8 30.12S WCI 33 TC 4
WHEELING MOCLDY 36 28 73 CALM 30.12R TC 2
MORRIS* CLEAR 39 30 70 E6 30.11R WCI 35 TC 4
ROMEOVILLE* PTCLDY 36 30 80 NE6 30.12S WCI 31 TC 2
LANSING* MOCLDY 37 28 70 CALM 30.12S TC 3
NORTHERLY ISL* N/A 39 26 60 MISG N/A TC 4
LMZ740>746-020500-
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 1012.1F 1/ 4
WAUKEGAN HARBOR 40 48 120/ 2/ 2 1018.9 1/ 4
HARRISON CRIB 41 40/ 7/ 8 N/A
NORTHERLY ISL 40 10/ 5/ 11 N/A
CALUMET HARBOR 42 360/ 4/ 9 1019.1
BURNS HARBOR 42 30/ 6/ 6 1020.0R
MICHIGAN CITY 40 360/ 10/ 11 1019.2R
ST. JOSEPH BUOY 42 350/ 10/ 14 1019.8R 3/ 5
ILZ025>027-034>036-040-047-049-050-058-095>099-020500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 47 40 76 NE3 30.07R TC 8
GALESBURG* CLOUDY 44 36 73 CALM 30.09R TC 7
MACOMB* CLOUDY 44 41 89 CALM 30.10R TC 7
JACKSONVILLE* MOCLDY 45 40 83 CALM 30.07S TC 7
PITTSFIELD* PTCLDY 47 41 82 CALM 30.08S TC 8
ILZ028>032-037-038-041>044-048-051>054-059>061-020500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 41 34 74 MISG 30.11R TC 5
BLOOMINGTON CLOUDY 45 38 76 E9 30.09R TC 7
DECATUR CLOUDY 45 40 82 E5 30.07S TC 7
PEORIA CLOUDY 46 37 71 NE10 30.08R TC 8
LACON* CLOUDY 46 34 63 E6 30.08R TC 8
LINCOLN* MOCLDY 48 40 75 CALM 30.07S TC 9
SPRINGFIELD MOCLDY 47 42 83 CALM 30.07S TC 8
TAYLORVILLE PTCLDY 48 37 66 E6 30.06F TC 9
ILZ033-039-045-046-055>057-062-063-020500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 49 37 63 E3 30.08S TC 9
DANVILLE* CLOUDY 46 37 70 NE6 30.09S TC 8
RANTOUL* CLOUDY 45 36 71 NE7 30.08S TC 7
MATTOON CLOUDY 48 43 82 E3 30.07S TC 9
PARIS* CLOUDY 46 39 77 CALM 30.08S TC 8
ILZ079-100>102-020500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 53 38 57 CALM 30.05F TC 12
BELLEVILLE MOCLDY 54 43 65 CALM 30.03F TC 12
CAHOKIA* MOCLDY 52 41 66 CALM 30.04F TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-020500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 46 42 86 CALM 30.05F TC 8
CAIRO* PTCLDY 51 43 76 CALM 30.06F TC 10
EFFINGHAM* MOCLDY 49 42 79 E5 30.09S TC 9
MARION CLEAR 45 40 84 CALM 30.07S TC 7
MT. VERNON MOCLDY 44 43 96 CALM 30.06F TC 7
CENTRALIA* PTCLDY 48 46 91 CALM 30.05F TC 9
SALEM* PTCLDY 51 42 73 CALM 30.05F TC 10
METROPOLIS* PTCLDY 46 42 88 CALM 30.07F TC 8
ILZ067-068-072-073-078-083-087-091-020500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 47 40 76 NE5 30.07S TC 8
FLORA* MOCLDY 48 43 81 CALM 30.06F TC 9
FAIRFIELD* CLEAR 46 40 80 CALM 30.06S TC 8
HARRISBURG* CLEAR 46 42 86 CALM 30.07S TC 8
ROBINSON* CLOUDY 46 45 93 NW1 30.07S TC 8
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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