538
ASUS43 KLOT 011610
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-011700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 51 27 39 CALM 30.04F TC 11
STERLING* MOSUNNY 51 32 48 E6 30.05S TC 11
SAVANNA* CLOUDY 51 28 41 W6 30.05S TC 10
ILZ003-004-008-010-011-017-018-011700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 48 29 47 N13 30.05F TC 9
FREEPORT* PTSUNNY 49 34 54 N6 30.05F TC 10
ROCHELLE* PTSUNNY 48 28 45 N7 30.04S TC 9
DE KALB* MOSUNNY 48 33 55 NW10 30.04S TC 9
ILZ005-006-012>014-019>023-011700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 49 29 46 N13 30.01S TC 9
CHICAGO-MIDWAY PTSUNNY 46 33 60 N10 30.02S TC 8
AURORA MOSUNNY 50 33 52 N10 30.03R TC 10
JOLIET* CLOUDY 50 33 52 N6 30.04R TC 10
WAUKEGAN PTSUNNY 45 37 73 NE9 30.02R TC 7
DUPAGE AIRPORT MOSUNNY 48 31 51 N8 30.02S TC 9
KANKAKEE* CLOUDY 48 36 63 N5 30.04S TC 9
WHEELING PTSUNNY 48 28 46 N9G23 30.03S TC 9
MORRIS* PTSUNNY 48 36 61 CALM 30.03S TC 9
ROMEOVILLE* PTSUNNY 48 37 66 NW5G14 30.03S TC 9
LANSING* PTSUNNY 48 33 56 NW9 30.03S TC 9
NORTHERLY ISL* N/A 45 38 76 N12 N/A TC 7
LMZ740>746-011700-
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 1018.0 2/ 3
WAUKEGAN HARBOR 41 48 360/ 12/ 16 1016.7 1/ 3
HARRISON CRIB 42 20/ 12/ 13 N/A
NORTHERLY ISL 46 40/ 10/ 10 N/A
CALUMET HARBOR 45 20/ 8/ 11 1016.3
BURNS HARBOR 42 350/ 6/ 8 1017.6R
MICHIGAN CITY 42 300/ 7/ 9 1016.8R
ST. JOSEPH BUOY 41 330/ 10/ 14 1017.3R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-011700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 53 32 44 MISG 30.06F TC 12
GALESBURG* MOSUNNY 52 30 43 W5 30.06S TC 11
MACOMB* SUNNY 52 31 44 CALM 30.08S TC 11
JACKSONVILLE* SUNNY 53 34 47 NW9 30.08S TC 12
ILZ028>032-037-038-041>044-048-051>054-059>061-011700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 48 38 68 MISG 30.05S TC 9
BLOOMINGTON PTSUNNY 51 40 65 N10 30.05F TC 11
DECATUR PTSUNNY 50 38 63 N10 30.05S TC 10
PEORIA PTSUNNY 51 30 44 N6 30.05F TC 11
LACON* PTSUNNY 51 35 55 CALM 30.05R TC 11
LINCOLN* SUNNY 53 38 56 N7 30.06S TC 12
SPRINGFIELD SUNNY 53 33 46 N9 30.07R TC 12
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-011700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 50 38 63 N12 30.04R TC 10
DANVILLE* CLOUDY 49 39 68 N13 30.05R TC 10
RANTOUL* PTSUNNY 49 40 72 N9 30.04R TC 9
MATTOON PTSUNNY 52 41 66 N15G32 30.04R TC 11
PARIS* PTSUNNY 51 40 67 NW9G16 30.05R TC 10
ILZ079-100>102-011700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 55 32 41 MISG 30.09S TC 13
BELLEVILLE SUNNY 58 37 45 N10 30.06F TC 14
CAHOKIA* SUNNY 57 33 40 N9G18 30.08S TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 58 35 42 N14G26 30.08S TC 14
CAIRO* SUNNY 60 30 31 N14G20 30.08S TC 16
EFFINGHAM* PTSUNNY 54 40 59 W10G17 30.08R TC 12
MARION SUNNY 57 32 38 N16G28 30.08R TC 14
MT. VERNON SUNNY 56 34 43 NW9 30.07S TC 13
CENTRALIA* SUNNY 56 36 47 NW15 30.08S TC 14
SALEM* SUNNY 56 39 54 N16 30.07S TC 13
METROPOLIS* SUNNY 59 32 36 NW14G21 30.07S TC 15
ILZ067-068-072-073-078-083-087-091-011700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 54 39 57 NW17G24 30.04R TC 12
FLORA* MOSUNNY 55 37 50 N12 30.07R TC 13
FAIRFIELD* SUNNY 55 33 42 NW12 30.06S TC 13
HARRISBURG* SUNNY 58 33 38 NW13G20 30.07S TC 15
ROBINSON* MOSUNNY 55 41 58 NW14G22 30.03R TC 13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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