186
ASUS43 KLOT 010801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-010900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 41 31 67 NW7 30.00S TC 5
STERLING* CLEAR 41 41 100 N5 29.98F TC 5
SAVANNA* CLEAR 43 33 68 NW7 30.00R TC 6
ILZ003-004-008-010-011-017-018-010900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 40 38 93 CALM 30.00S TC 4
FREEPORT* MOCLDY 39 38 95 N7 30.00S VSB 3/4 WCI 34
ROCHELLE* CLOUDY 40 35 83 NE6 29.98S TC 4
DE KALB* CLOUDY 39 38 95 N5 29.98S TC 4
ILZ005-006-012>014-019>023-010900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 41 38 89 NE9 29.95S TC 5
CHICAGO-MIDWAY LGT RAIN 42 39 89 NE9 29.96R TC 6
AURORA CLOUDY 40 39 97 N9 29.96S FOG TC 4
JOLIET* CLOUDY 43 41 93 NE3 29.96S TC 6
WAUKEGAN LGT RAIN 39 36 89 E3 29.96F TC 4
DUPAGE AIRPORT CLOUDY 41 39 93 NW9 29.96S TC 5
KANKAKEE* CLOUDY 43 41 93 NE9 29.95S TC 6
WHEELING CLOUDY 41 39 93 CALM 29.97F TC 5
LANSING* CLOUDY 40 39 93 N3 29.95F TC 5
NORTHERLY ISL* N/A 42 38 85 NE12 N/A TC 6
LMZ740>746-010900-
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 1013.0R 1
WAUKEGAN HARBOR 42 48 360/ 2/ 6 1014.9F 1
HARRISON CRIB 42 60/ 10/ 11 N/A
NORTHERLY ISL 42 40/ 8/ 10 N/A
CALUMET HARBOR 43 20/ 8/ 11 1013.9
BURNS HARBOR 42 110/ 4/ 4 1014.6F
MICHIGAN CITY 40 80/ 7/ 7 1013.8
ST. JOSEPH BUOY 41 110/ 6/ 8 1014.6F 1/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-010900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 39 35 86 NW6 30.04S WCI 35 TC 4
GALESBURG* CLEAR 39 32 76 NW7 30.01S WCI 34 TC 4
MACOMB* CLEAR 38 33 82 CALM 30.04S TC 4
JACKSONVILLE* CLEAR 44 36 74 NW9 30.02S TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-010900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 44 42 93 MISG 29.95S FOG TC 7
BLOOMINGTON MOCLDY 44 44 100 W6 29.95F TC 7
DECATUR CLOUDY 48 43 82 W6 29.96S TC 9
PEORIA CLEAR 44 35 70 NW7 29.97S TC 7
LACON* MOCLDY 45 41 84 N3 29.96S TC 7
LINCOLN* PTCLDY 46 41 80 W7 29.98R TC 8
SPRINGFIELD CLEAR 46 38 73 NW13 29.99S TC 8
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-010900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 48 45 89 NW12 29.94S TC 9
DANVILLE* CLOUDY 49 46 88 W9 29.93S TC 10
RANTOUL* MOCLDY 46 44 95 NW9 29.93S TC 8
MATTOON CLOUDY 50 47 89 NW13 29.94S TC 10
ILZ079-100>102-010900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON PTCLDY 51 41 69 CALM 30.02S TC 10
BELLEVILLE CLOUDY 53 49 86 NW7 29.99F TC 12
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-010900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 55 45 68 NW10 29.99S TC 13
CAIRO* PTCLDY 57 48 71 NW6 30.00S TC 14
EFFINGHAM* RAIN 51 51 100 W8 29.99R TC 11
MARION MOCLDY 54 42 64 W3 30.00R TC 12
MT. VERNON CLOUDY 54 46 74 VRB5 29.98S TC 12
CENTRALIA* LGT RAIN 52 50 91 CALM 30.00R TC 11
SALEM* CLOUDY 53 50 90 CALM 29.99S TC 12
METROPOLIS* MOCLDY 49 47 93 CALM 29.99S TC 9
ILZ067-068-072-073-078-083-087-091-010900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 55 41 59 W9 29.94F TC 13
FLORA* LGT RAIN 54 48 82 NW14 29.97S TC 12
FAIRFIELD* CLOUDY 54 42 66 CALM 29.97S TC 12
HARRISBURG* MOCLDY 52 44 74 SW6 29.98F TC 11
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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