807
ASUS43 KLOT 011006
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 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.
ILZ001-002-007-009-015-016-024-011100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 38 30 73 NW5 30.02R WCI 34 TC 3
STERLING* CLEAR 39 39 100 CALM 30.01S TC 4
SAVANNA* CLEAR 39 30 70 N5 30.02R TC 4
ILZ003-004-008-010-011-017-018-011100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 39 38 96 CALM 30.01S TC 4
FREEPORT* MOCLDY 37 36 94 NW3 30.01S VSB 3/4 TC 3
ROCHELLE* CLOUDY 39 36 89 N5 30.00S TC 4
DE KALB* CLOUDY 39 38 97 N3 30.00R TC 4
PERU* MOCLDY 41 39 93 NW5 30.00R FOG TC 5
ILZ005-006-012>014-019>023-011100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 40 35 83 NE5 29.97R TC 4
CHICAGO-MIDWAY LGT RAIN 42 37 82 N9 29.97R TC 6
AURORA CLOUDY 40 38 93 N8 29.98R TC 4
JOLIET* DRIZZLE 43 42 95 N5 29.98S TC 6
WAUKEGAN CLOUDY 38 37 97 NW3 29.98R TC 3
DUPAGE AIRPORT CLOUDY 40 37 89 N5 29.98R TC 4
KANKAKEE* CLOUDY 42 40 91 N9 29.97R TC 6
WHEELING MOCLDY 40 38 93 N3 29.99R TC 4
MORRIS* CLOUDY 41 39 93 N3 29.98R FOG TC 5
ROMEOVILLE* CLOUDY 41 41 100 N7 29.98S TC 5
LANSING* CLOUDY 41 38 90 N3 29.96S TC 5
NORTHERLY ISL* N/A 41 35 79 N7 N/A TC 5
LMZ740>746-011100-
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 1013.9R 1/ 2
WAUKEGAN HARBOR 42 48 320/ 6/ 10 1015.4 1
HARRISON CRIB 43 10/ 8/ 10 N/A
NORTHERLY ISL 42 30/ 6/ 11 N/A
CALUMET HARBOR 42 20/ 5/ 7 1014.0R
BURNS HARBOR 42 70/ 5/ 6 1014.9R
MICHIGAN CITY 40 60/ 4/ 5 1014.2R
ST. JOSEPH BUOY 41 70/ 4/ 8 1015.1R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-011100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 39 33 79 NW6 30.04S WCI 35 TC 4
GALESBURG* CLEAR 35 31 84 W6 30.03S WCI 30 TC 2
MACOMB* CLEAR 36 33 89 CALM 30.05S TC 2
JACKSONVILLE* CLEAR 38 34 85 W9 30.03S WCI 32 TC 4
ILZ028>032-037-038-041>044-048-051>054-059>061-011100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 42 40 93 MISG 29.98R FOG TC 6
BLOOMINGTON MOCLDY 44 44 100 NW9 29.98R TC 7
DECATUR CLEAR 45 37 73 NW10G22 29.97S TC 7
PEORIA CLEAR 41 33 73 NW6 30.00R TC 5
LACON* CLOUDY 42 39 89 N5 30.00R FOG TC 6
LINCOLN* CLEAR 43 36 75 W6 29.99S TC 6
SPRINGFIELD CLEAR 43 34 70 NW9 30.01R TC 6
TAYLORVILLE CLEAR 45 36 70 W10 30.00S TC 7
ILZ033-039-045-046-055>057-062-063-011100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOCLDY 45 44 97 W7 29.95S FOG TC 7
DANVILLE* CLOUDY 46 44 93 NW12 29.95R TC 8
RANTOUL* MOCLDY 45 43 95 NW6 29.95R TC 7
MATTOON MOCLDY 47 44 90 W12 29.95S TC 8
PARIS* CLOUDY 48 45 91 W12 29.94S TC 9
ILZ079-100>102-011100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 47 36 66 CALM 30.04S TC 8
CAHOKIA* CLEAR 49 36 61 NW12 30.03S TC 9
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 52 48 86 NW6 30.01R TC 11
CAIRO* PTCLDY 53 47 78 CALM 30.01S TC 12
EFFINGHAM* PTCLDY 48 47 97 W9 29.99S TC 9
MARION CLOUDY 52 45 76 NW5 30.02R TC 11
MT. VERNON CLOUDY 51 48 89 NW3 30.00R TC 11
CENTRALIA* PTCLDY 50 44 80 CALM 30.00S TC 10
SALEM* PTCLDY 51 47 84 NW9 30.00R TC 11
METROPOLIS* CLEAR 51 45 79 W3 30.00R TC 11
ILZ067-068-072-073-078-083-087-091-011100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 52 46 80 NW16 29.95R TC 11
FLORA* CLOUDY 52 46 82 NW9 29.98S TC 11
FAIRFIELD* CLOUDY 51 45 78 NW3 29.98S TC 11
HARRISBURG* CLOUDY 54 46 75 N8 29.99S TC 12
ROBINSON* CLOUDY 52 48 87 NW14 29.94S TC 11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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