797
ASUS43 KLOT 011901
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM 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.
ILZ001-002-007-009-015-016-024-012000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 54 32 43 VRB7 30.04F TC 12
STERLING* CLOUDY 53 33 46 NW8 30.06R TC 12
SAVANNA* PTSUNNY 53 28 38 SW7 30.05S TC 11
ILZ003-004-008-010-011-017-018-012000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 48 28 46 N6 30.06R TC 9
FREEPORT* CLOUDY 50 31 47 NW7 30.05R TC 10
ROCHELLE* CLOUDY 50 27 41 NW5 30.05R TC 10
DE KALB* CLOUDY 47 31 53 N3 30.04S TC 8
ILZ005-006-012>014-019>023-012000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 45 32 60 NE14 30.03R TC 7
CHICAGO-MIDWAY PTSUNNY 46 34 62 NE7 30.04R TC 8
AURORA PTSUNNY 50 30 46 N6 30.03S TC 10
JOLIET* CLOUDY 51 30 45 N5 30.05R TC 11
WAUKEGAN PTSUNNY 42 35 76 E10 30.04R TC 6
DUPAGE AIRPORT CLOUDY 49 28 44 N9 30.02S TC 9
KANKAKEE* CLOUDY 52 32 46 NW9 30.04S TC 11
WHEELING CLOUDY 43 33 68 E10 30.06R TC 6
ROMEOVILLE* CLOUDY 50 30 46 NW5G13 30.04R TC 10
LANSING* CLOUDY 44 35 68 E8 30.05R TC 7
NORTHERLY ISL* N/A 43 34 70 N8 N/A TC 6
LMZ740>746-012000-
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 2/ 3
WAUKEGAN HARBOR 40 48 10/ 12/ 14 1017.5R 2/ 4
HARRISON CRIB 41 30/ 14/ 15 N/A
NORTHERLY ISL 45 30/ 8/ 11 N/A
CALUMET HARBOR 43 20/ 9/ 12 1017.0R
BURNS HARBOR 42 20/ 6/ 8 1017.9S
MICHIGAN CITY 43 350/ 10/ 11 1017.6R
ST. JOSEPH BUOY 41 330/ 12/ 14 1017.9R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-012000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 58 32 37 W8 30.04 TC 14
GALESBURG* CLOUDY 52 33 47 N7 30.05S TC 11
MACOMB* PTSUNNY 59 32 36 W9 30.05F TC 15
JACKSONVILLE* PTSUNNY 58 33 39 W10G18 30.05F TC 14
PITTSFIELD* MOSUNNY 61 33 34 W10 30.06S TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-012000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 51 31 46 MISG 30.04S TC 11
BLOOMINGTON MOSUNNY 54 36 50 W7 30.05S TC 12
DECATUR PTSUNNY 55 34 45 N10 30.05S TC 13
PEORIA CLOUDY 52 31 44 NW12G20 30.06R TC 11
LACON* CLOUDY 51 27 39 CALM 30.04S TC 11
LINCOLN* PTSUNNY 57 35 44 N3 30.05S TC 14
SPRINGFIELD MOSUNNY 58 32 37 NW6G18 30.05S TC 14
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-012000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 55 35 47 NW10 30.05R TC 13
DANVILLE* CLOUDY 52 34 50 NW8 30.05R TC 11
RANTOUL* PTSUNNY 55 36 48 N10 30.04R TC 13
MATTOON PTSUNNY 53 37 54 N7G16 30.05R TC 12
PARIS* PTSUNNY 53 37 54 NW6 30.05R TC 12
ILZ079-100>102-012000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTSUNNY 61 32 33 N12G24 30.07F TC 16
CAHOKIA* MOSUNNY 61 32 33 NW9 30.07S TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-012000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 62 34 35 N14 30.07F TC 17
CAIRO* SUNNY 64 32 30 N10 30.07S TC 18
EFFINGHAM* PTSUNNY 55 37 50 NW8 30.08S TC 13
MARION MOSUNNY 61 36 39 NW14G23 30.07F TC 16
MT. VERNON MOSUNNY 57 34 41 VRB7 30.07F TC 14
CENTRALIA* PTSUNNY 58 34 40 N5 30.07S TC 15
SALEM* PTSUNNY 60 40 47 N9G20 30.07S TC 16
METROPOLIS* SUNNY 63 34 33 N13G18 30.06R TC 17
ILZ067-068-072-073-078-083-087-091-012000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 58 36 43 N15G23 30.05R TC 14
FLORA* MOSUNNY 59 37 44 N9 30.06F TC 15
FAIRFIELD* PTSUNNY 59 35 39 NW8G16 30.06F TC 15
HARRISBURG* MOSUNNY 62 38 41 N12G17 30.06S TC 17
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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