273
ASUS43 KLOT 010901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM 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.
ILZ001-002-007-009-015-016-024-011000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 41 31 67 NW6 30.01R TC 5
STERLING* CLEAR 39 39 100 N3 30.01R FOG TC 4
SAVANNA* CLEAR 40 30 68 NW5 30.01R TC 5
ILZ003-004-008-010-011-017-018-011000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 40 38 93 CALM 30.01R TC 4
FREEPORT* PTCLDY 39 37 95 NW3 30.01R TC 4
ROCHELLE* CLOUDY 40 36 86 N5 29.99R TC 4
DE KALB* CLOUDY 39 38 97 N3 29.99R TC 4
ILZ005-006-012>014-019>023-011000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 41 37 86 N8 29.96R TC 5
CHICAGO-MIDWAY CLOUDY 42 38 85 NE6 29.95F TC 6
AURORA CLOUDY 40 39 97 N8 29.97S TC 4
JOLIET* LGT RAIN 43 42 95 N7 29.97R TC 6
WAUKEGAN CLOUDY 39 38 96 CALM 29.97R TC 4
DUPAGE AIRPORT LGT RAIN 40 38 93 N5 29.97R TC 4
KANKAKEE* CLOUDY 43 41 94 N8 29.95S FOG TC 6
WHEELING LGT RAIN 41 38 89 NW3 29.98R TC 5
ROMEOVILLE* CLOUDY 43 41 93 NW7 29.97R TC 6
LANSING* LGT RAIN 41 38 87 NE6 29.96R TC 5
NORTHERLY ISL* N/A 42 37 82 NE7 N/A TC 6
LMZ740>746-011000-
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 1013.3R 1
WAUKEGAN HARBOR 42 48 310/ 4/ 8 1015.2R 1
NORTHERLY ISL 41 40/ 6/ 11 N/A
CALUMET HARBOR 42 360/ 7/ 10 1014.1
BURNS HARBOR 42 60/ 6/ 8 1014.6S
ST. JOSEPH BUOY 41 120/ 6/ 8 1014.8R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-011000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 39 34 82 NW6 30.04S WCI 35 TC 4
GALESBURG* CLEAR 37 31 79 W6 30.03R WCI 32 TC 3
MACOMB* CLEAR 37 33 86 CALM 30.05R TC 3
JACKSONVILLE* CLEAR 42 35 75 NW7 30.03R TC 6
ILZ028>032-037-038-041>044-048-051>054-059>061-011000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 43 40 90 MISG 29.96S TC 6
BLOOMINGTON PTCLDY 44 44 100 W9 29.96R TC 7
DECATUR CLEAR 47 42 83 W8 29.97R TC 8
PEORIA CLEAR 42 34 73 NW6 29.99R TC 6
LACON* MOCLDY 44 40 89 N7 29.98R TC 6
LINCOLN* CLEAR 45 37 75 W5 29.98S TC 7
SPRINGFIELD CLEAR 44 35 70 NW10 30.00R TC 7
TAYLORVILLE CLEAR 46 39 76 NW13 30.00R TC 8
ILZ033-039-045-046-055>057-062-063-011000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 46 44 93 NW7 29.95R TC 8
DANVILLE* CLOUDY 47 45 90 NW12 29.93S TC 9
RANTOUL* PTCLDY 44 43 96 NW7 29.94R FOG TC 7
MATTOON CLOUDY 48 44 86 W9 29.95R TC 9
PARIS* DRIZZLE 49 48 94 W12G18 29.94R TC 10
ILZ079-100>102-011000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 49 38 67 CALM 30.03S TC 9
BELLEVILLE PTCLDY 48 44 86 NW7 30.01R TC 9
CAHOKIA* PTCLDY 50 40 68 NW10 30.03 TC 10
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 53 47 79 NW12 30.00R TC 12
CAIRO* PTCLDY 55 45 69 NW6 30.00S TC 13
EFFINGHAM* CLOUDY 50 48 92 W8 29.99R TC 10
MARION CLOUDY 54 47 78 NW12G18 30.01R TC 12
MT. VERNON CLOUDY 51 49 92 CALM 29.99F TC 11
CENTRALIA* CLOUDY 52 48 86 CALM 30.00S TC 11
SALEM* CLOUDY 52 49 89 CALM 29.99S TC 11
METROPOLIS* MOCLDY 50 46 86 W3 30.00S TC 10
ILZ067-068-072-073-078-083-087-091-011000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 54 44 69 W16 29.94S TC 12
FLORA* CLOUDY 52 48 87 NW10 29.98R TC 11
FAIRFIELD* LGT RAIN 52 47 82 NW6 29.98R TC 11
HARRISBURG* CLOUDY 54 45 72 NW9 29.99R TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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