691
ASUS43 KLOT 011401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-011500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 44 32 62 W3 30.05S TC 7
STERLING* SUNNY 45 41 86 VRB3 30.06R TC 7
SAVANNA* MOSUNNY 47 31 53 CALM 30.05S TC 9
ILZ003-004-008-010-011-017-018-011500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 46 36 68 N7 30.05R TC 8
FREEPORT* SUNNY 44 42 94 CALM 30.06R TC 7
ROCHELLE* MOSUNNY 44 36 71 NW5 30.04S TC 7
DE KALB* MOSUNNY 44 38 81 NW7 30.03S TC 7
ILZ005-006-012>014-019>023-011500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 44 36 73 NW6 30.01S TC 7
CHICAGO-MIDWAY PTSUNNY 44 36 73 NW12 30.02R TC 7
AURORA PTSUNNY 46 38 73 N6 30.02S TC 8
JOLIET* MOSUNNY 46 38 74 N7 30.03S TC 8
WAUKEGAN CLOUDY 42 37 82 N6 30.01S TC 6
DUPAGE AIRPORT PTSUNNY 44 38 79 N5 30.01S TC 7
KANKAKEE* PTSUNNY 46 38 73 N8 30.04R TC 8
WHEELING MOSUNNY 44 37 76 VRB3 30.02F TC 7
ROMEOVILLE* PTSUNNY 45 39 81 NW5 30.03R TC 7
LANSING* PTSUNNY 44 36 73 NE7 30.01S TC 7
NORTHERLY ISL* N/A 44 36 73 N8 N/A TC 7
LMZ740>746-011500-
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 1017.5R 1/ 3
WAUKEGAN HARBOR 42 48 340/ 8/ 10 1016.5R 1/ 3
HARRISON CRIB 42 340/ 13/ 14 N/A
NORTHERLY ISL 42 330/ 9/ 12 N/A
CALUMET HARBOR 43 350/ 9/ 12 1016.0
BURNS HARBOR 42 340/ 6/ 8 1016.9R
MICHIGAN CITY 42 320/ 11/ 13 1015.9R
ST. JOSEPH BUOY 41 330/ 10/ 12 1016.3R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-011500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 49 35 58 N6 30.07S TC 9
GALESBURG* PTSUNNY 47 34 61 N7 30.06F TC 8
MACOMB* CLOUDY 48 35 60 CALM 30.09R TC 9
JACKSONVILLE* SUNNY 47 36 65 N6 30.07S TC 9
ILZ028>032-037-038-041>044-048-051>054-059>061-011500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 44 39 83 MISG 30.04R TC 7
BLOOMINGTON CLOUDY 45 41 86 N10 30.05R TC 7
DECATUR PTSUNNY 47 40 76 N12 30.03R TC 8
PEORIA SUNNY 47 38 71 NW5 30.05S TC 8
LACON* MOSUNNY 46 38 75 NW6 30.04F TC 8
LINCOLN* MOSUNNY 49 42 77 N7 30.05S TC 9
SPRINGFIELD SUNNY 49 38 65 N6 30.06R TC 9
TAYLORVILLE SUNNY 48 39 71 NW12 30.05S TC 9
ILZ033-039-045-046-055>057-062-063-011500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 46 40 79 N14 30.02R TC 8
DANVILLE* CLOUDY 46 40 82 N13 30.02R TC 8
MATTOON PTSUNNY 48 42 80 NW14 30.01R TC 9
PARIS* CLOUDY 47 40 77 N12G17 30.01R TC 8
ILZ079-100>102-011500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 52 34 50 N7 30.08R TC 11
BELLEVILLE SUNNY 54 37 53 N9 30.06R TC 12
CAHOKIA* SUNNY 53 33 46 N12 30.08R TC 12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 54 35 48 N10G21 30.07R TC 12
CAIRO* SUNNY 57 37 46 N15 30.06S TC 14
EFFINGHAM* MOSUNNY 49 41 73 NW10 30.05R TC 10
MARION SUNNY 54 34 47 N16G25 30.06R TC 12
MT. VERNON SUNNY 52 32 46 VRB6G16 30.05S TC 11
CENTRALIA* SUNNY 52 31 44 NW18G26 30.06R TC 11
SALEM* SUNNY 52 38 58 NW13 30.05S TC 11
METROPOLIS* SUNNY 56 37 49 NW15 30.06R TC 13
ILZ067-068-072-073-078-083-087-091-011500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 53 39 59 NW15 30.00R TC 12
FLORA* SUNNY 52 37 58 NW13G22 30.04R TC 11
FAIRFIELD* SUNNY 52 31 43 NW6G18 30.04R TC 11
HARRISBURG* SUNNY 55 34 45 N14G20 30.05S TC 13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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