762
ASUS43 KLOT 220410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CDT TUE APR 21 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.
ILZ001-002-007-009-015-016-024-220500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 69 57 65 SW10 29.88S TC 21
STERLING* CLEAR 58 53 84 CALM 29.90S TC 14
SAVANNA* CLEAR 57 51 78 CALM 29.88S TC 14
ILZ003-004-008-010-011-017-018-220500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 58 51 78 SE6 29.90S TC 14
FREEPORT* CLEAR 58 52 78 S7 29.90F TC 15
ROCHELLE* CLEAR 55 49 82 CALM 29.91S TC 13
DE KALB* CLEAR 65 54 65 W7 29.91F TC 19
PERU* CLEAR 66 55 68 SW8 29.91S TC 19
ILZ005-006-012>014-019>023-220500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 66 53 63 SW7 29.88S TC 19
CHICAGO-MIDWAY CLEAR 65 54 67 W7 29.89S TC 18
AURORA CLEAR 58 53 84 W3 29.89S TC 14
JOLIET* CLEAR 60 55 83 CALM 29.90F TC 16
WAUKEGAN CLEAR 53 50 89 W6 29.88S TC 12
DUPAGE AIRPORT CLEAR 62 54 74 SW7 29.89S TC 17
KANKAKEE* PTCLDY 64 54 68 SW7 29.92S TC 18
WHEELING PTCLDY 59 55 87 CALM 29.89F TC 15
MORRIS* CLEAR 64 54 69 SW5 29.90S TC 18
ROMEOVILLE* CLEAR 66 55 68 SW8 29.91S TC 19
LANSING* CLEAR 55 54 94 CALM 29.91S TC 13
NORTHERLY ISL* N/A 67 52 58 W1 N/A TC 19
LMZ740>746-220500-
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 1007.3 1
WAUKEGAN HARBOR 50 49 1012.9 0
HARRISON CRIB 73 250/ 12/ 13 N/A
NORTHERLY ISL 68 300/ 2/ 6 N/A
CALUMET HARBOR 65 220/ 3/ 4 1011.9
BURNS HARBOR 64 190/ 6/ 7 1012.9S
MICHIGAN CITY 66 190/ 10/ 12 1011.1S
ST. JOSEPH BUOY 55 160/ 6/ 6 1013.0F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-220500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 69 54 58 SW13G22 29.97S TC 21
GALESBURG* CLEAR 65 59 82 SW10 29.94S TC 18
MACOMB* CLEAR 69 56 63 SW15 29.96F TC 21
JACKSONVILLE* CLEAR 70 50 49 SW10G16 29.98S TC 21
PITTSFIELD* PTCLDY 70 53 54 SW9 30.00S TC 21
ILZ028>032-037-038-041>044-048-051>054-059>061-220500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 67 52 59 MISG 29.93S TC 19
BLOOMINGTON CLEAR 68 53 58 SW13 29.95F TC 20
DECATUR MOCLDY 67 52 58 SW8 29.97S TC 19
PEORIA CLEAR 69 54 58 SW9 29.93S TC 21
LACON* CLEAR 66 53 63 SW5 29.91F TC 19
LINCOLN* PTCLDY 71 54 55 CALM 29.95F TC 22
SPRINGFIELD PTCLDY 71 51 49 SW9 29.97S TC 22
TAYLORVILLE CLOUDY 68 52 56 SW8 29.99S TC 20
ILZ033-039-045-046-055>057-062-063-220500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 66 48 52 S13 29.96S TC 19
DANVILLE* PTCLDY 67 47 49 SW13 29.97S TC 20
RANTOUL* PTCLDY 66 51 59 SW13 29.95S TC 19
MATTOON MOCLDY 67 45 45 S9G22 29.99S TC 19
PARIS* CLOUDY 67 43 42 SW17 29.99S TC 19
ILZ079-100>102-220500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 70 46 42 SW12 30.02S TC 21
BELLEVILLE CLEAR 67 48 50 S8 30.02R TC 20
CAHOKIA* CLEAR 70 46 42 SW7 30.02R TC 21
SPARTA* CLEAR 66 42 41 S8 30.06S TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 67 42 40 SW13 30.07S TC 19
CAIRO* CLEAR 68 44 42 SW10 30.12S TC 20
EFFINGHAM* CLOUDY 67 44 43 S10G18 30.04S TC 19
MARION CLEAR N/A N/A N/A SW13G18 30.09S
MT. VERNON CLEAR 65 44 46 SW10 30.06R TC 18
CENTRALIA* CLEAR 66 43 42 SW13G20 30.05R TC 19
SALEM* PTCLDY 67 46 46 SW16G22 30.04R TC 20
METROPOLIS* CLEAR 64 44 48 S5 30.12S TC 18
ILZ067-068-072-073-078-083-087-091-220500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 68 38 33 SW18G26 30.04R TC 20
FLORA* PTCLDY 64 45 48 SW12 30.04S TC 18
FAIRFIELD* PTCLDY 67 40 37 SW9 30.06R TC 20
HARRISBURG* CLEAR 66 42 41 SW10 30.09S TC 19
ROBINSON* PTCLDY 68 39 34 SW16G28 30.02R TC 20
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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