815
ASUS43 KLOT 012301
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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.
ILZ001-002-007-009-015-016-024-020000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 54 33 45 NW3 30.01S TC 12
STERLING* MOSUNNY 54 31 41 VRB6 30.03S TC 12
SAVANNA* MOSUNNY 53 29 39 NW6 30.03S TC 12
ILZ003-004-008-010-011-017-018-020000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 50 30 46 W8 30.05S TC 10
FREEPORT* CLOUDY 50 35 55 CALM 30.04S TC 10
DE KALB* CLOUDY 46 34 62 NE8 30.04S TC 8
ILZ005-006-012>014-019>023-020000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 44 32 62 NE6 30.05S TC 7
CHICAGO-MIDWAY PTSUNNY 45 31 58 E10 30.06S TC 7
AURORA CLOUDY 48 34 58 N6 30.04S TC 9
JOLIET* CLOUDY 49 36 61 E5 30.05S TC 10
WAUKEGAN CLOUDY 42 26 53 NE8 30.06S TC 6
DUPAGE AIRPORT CLOUDY 45 35 68 NE7 30.04S TC 7
KANKAKEE* CLOUDY 50 33 52 NE5 30.04F TC 10
WHEELING CLOUDY 42 28 57 E9 30.08R TC 6
ROMEOVILLE* PTSUNNY 46 36 66 NE9 30.05S TC 8
LANSING* MOSUNNY 44 31 59 NE6 30.06S TC 7
NORTHERLY ISL* N/A 42 32 67 N5 N/A TC 6
LMZ740>746-020000-
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 1016.5F 2/ 4
WAUKEGAN HARBOR 41 48 360/ 8/ 10 1018.0R 1/ 4
HARRISON CRIB 41 30/ 8/ 10 N/A
NORTHERLY ISL 43 60/ 5/ 9 N/A
CALUMET HARBOR 30/ 6/ 10 1017.8S
BURNS HARBOR 42 20/ 5/ 7 1018.6S
MICHIGAN CITY 41 10/ 10/ 11 1018.2R
ST. JOSEPH BUOY 42 350/ 10/ 14 1018.6R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-020000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 56 37 49 VRB3 29.99F TC 13
GALESBURG* PTSUNNY 53 35 51 N7 30.03S TC 12
MACOMB* PTSUNNY 55 36 50 NW6 30.04S TC 13
JACKSONVILLE* CLOUDY 56 36 46 W8 30.01S TC 14
PITTSFIELD* CLOUDY 57 36 45 NW6 30.02S TC 14
ILZ028>032-037-038-041>044-048-051>054-059>061-020000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 52 33 48 MISG 30.03S TC 11
BLOOMINGTON PTSUNNY 53 33 46 NW12 30.03S TC 12
DECATUR CLOUDY 57 34 41 N3 30.01F TC 14
PEORIA CLOUDY 54 35 48 VRB5 30.03R TC 12
LACON* CLOUDY 53 30 41 CALM 30.02S TC 11
LINCOLN* CLOUDY 56 35 44 NW3 30.02S TC 14
SPRINGFIELD CLOUDY 57 34 41 N5 30.01S TC 14
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-020000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 53 39 59 N9 30.02F TC 12
DANVILLE* CLOUDY 51 35 54 W10 30.03S TC 11
MATTOON CLOUDY 54 38 54 N10G22 30.01S TC 12
PARIS* CLOUDY 51 36 55 N12G22 30.03R TC 11
ILZ079-100>102-020000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 61 30 31 NW8 30.01F TC 16
BELLEVILLE SUNNY 63 38 39 NW8 29.97F TC 17
CAHOKIA* SUNNY 63 31 30 W9G21 29.98F TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-020000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 61 33 35 N9 29.99F TC 16
CAIRO* MOSUNNY 64 33 32 NE12 30.01R TC 18
EFFINGHAM* MOSUNNY 57 36 44 NW8 30.03F TC 14
MARION MOSUNNY 61 34 36 N17 30.00F TC 16
MT. VERNON SUNNY 59 34 39 N8 30.00F TC 15
CENTRALIA* MOSUNNY 60 34 36 N7 30.00F TC 16
SALEM* MOSUNNY 60 37 42 N7 30.01F TC 16
METROPOLIS* MOSUNNY 62 36 37 N12 30.00R TC 17
ILZ067-068-072-073-078-083-087-091-020000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 58 32 37 NW15 30.01F TC 14
FLORA* SUNNY 59 34 38 NW10G16 30.01F TC 15
FAIRFIELD* MOSUNNY 59 34 39 NW7 30.00F TC 15
HARRISBURG* MOSUNNY 61 36 38 N13 30.00F TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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