179
ASUS43 KLOT 011301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 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.
ILZ001-002-007-009-015-016-024-011400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 42 33 70 W6 30.05R TC 6
STERLING* SUNNY 42 42 100 N3 30.05R TC 6
SAVANNA* PTSUNNY 44 32 62 CALM 30.05R TC 7
ILZ003-004-008-010-011-017-018-011400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 44 39 82 N7 30.04R TC 7
FREEPORT* SUNNY 41 39 95 CALM 30.05R TC 5
ROCHELLE* PTSUNNY 42 37 81 N7 30.04R TC 6
DE KALB* PTSUNNY 41 39 92 NW5 30.03R TC 5
ILZ005-006-012>014-019>023-011400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 43 36 76 N9 30.01R TC 6
CHICAGO-MIDWAY MOSUNNY 43 36 76 N7 30.01R TC 6
AURORA PTSUNNY 43 38 82 N6 30.02R TC 6
JOLIET* CLOUDY 46 41 83 N3 30.02R TC 8
WAUKEGAN PTSUNNY 40 37 89 NW3 30.01R TC 4
DUPAGE AIRPORT PTSUNNY 41 38 89 NW9 30.01S TC 5
KANKAKEE* MOSUNNY 44 38 81 N7 30.02R TC 7
WHEELING PTSUNNY 40 37 89 N8 30.03R TC 4
MORRIS* CLOUDY 43 39 87 CALM 30.01R TC 6
ROMEOVILLE* PTSUNNY 43 39 87 N6 30.02R TC 6
LANSING* PTSUNNY 42 37 81 N3 30.01R TC 6
NORTHERLY ISL* N/A 44 38 79 MISG N/A TC 7
LMZ740>746-011400-
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 1015.3R 1/ 3
WAUKEGAN HARBOR 41 48 320/ 4/ 6 1016.2R 1/ 3
HARRISON CRIB 42 10/ 12/ 15 N/A
NORTHERLY ISL 44 360/ 9/ 9 N/A
CALUMET HARBOR 42 360/ 7/ 10 1015.6
BURNS HARBOR 42 350/ 6/ 7 1016.6R
MICHIGAN CITY 42 340/ 11/ 13 1015.5R
ST. JOSEPH BUOY 42 320/ 8/ 12 1016.2R 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-011400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 43 36 76 CALM 30.07R TC 6
GALESBURG* SUNNY 42 33 69 N5 30.07R TC 6
MACOMB* SUNNY 44 35 70 CALM 30.08S TC 7
JACKSONVILLE* SUNNY 44 35 71 NW8 30.07R TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-011400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 43 40 88 MISG 30.03R TC 6
BLOOMINGTON CLOUDY 42 41 96 N8 30.03R FOG TC 6
DECATUR SUNNY 46 39 76 NW14 30.02R TC 8
PEORIA SUNNY 43 37 79 N9 30.05R TC 6
LACON* MOSUNNY 43 38 83 N5 30.04R TC 6
LINCOLN* SUNNY 45 38 78 NW5 30.05R TC 7
SPRINGFIELD SUNNY 45 35 68 NW10 30.05R TC 7
TAYLORVILLE SUNNY 45 36 70 NW12G17 30.05R TC 7
ILZ033-039-045-046-055>057-062-063-011400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 45 40 82 N16 30.01R TC 7
DANVILLE* CLOUDY 45 41 86 NW9 30.01R TC 7
RANTOUL* CLOUDY 44 40 88 N9 30.01R TC 6
MATTOON CLOUDY 45 41 86 NW14G24 30.00R TC 7
PARIS* PTSUNNY 46 39 79 NW10 29.99R TC 8
ILZ079-100>102-011400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 48 34 57 NW7 30.07R TC 9
BELLEVILLE SUNNY 51 39 64 NW8 30.05R TC 10
CAHOKIA* SUNNY 51 35 54 N8 30.07R TC 11
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 52 39 61 N12 30.06R TC 11
CAIRO* SUNNY 56 43 62 N12 30.06R TC 13
EFFINGHAM* SUNNY 47 37 67 W15G21 30.04R TC 9
MARION SUNNY 52 37 58 N14G21 30.05R TC 11
MT. VERNON SUNNY 50 38 63 VRB3 30.05R TC 10
CENTRALIA* SUNNY 51 35 55 NW10 30.05R TC 10
SALEM* SUNNY 50 38 62 NW14 30.05R TC 10
METROPOLIS* SUNNY 55 45 71 NW9 30.05R TC 13
ILZ067-068-072-073-078-083-087-091-011400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 52 41 66 NW16 29.99R TC 11
FLORA* SUNNY 50 36 57 NW13G21 30.03R TC 10
FAIRFIELD* SUNNY 50 33 52 NW6 30.03S TC 10
HARRISBURG* SUNNY 53 38 57 N13G20 30.05R TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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