359
ASUS43 KLOT 160312
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT FRI MAY 15 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.
ILZ001-002-007-009-015-016-024-160400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 72 59 63 SE8 29.71R TC 22
STERLING* PTCLDY 72 58 61 VRB7 29.77R TC 22
SAVANNA* CLOUDY 73 57 58 SE9 29.75R TC 23
ILZ003-004-008-010-011-017-018-160400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 70 56 61 SE13 29.78R TC 21
FREEPORT* PTCLDY 71 60 68 S14 29.78R TC 22
ROCHELLE* CLEAR 69 54 59 SE15 29.78S TC 20
DE KALB* CLEAR 67 56 69 S14 29.82R TC 19
PERU* CLEAR 70 57 64 SE15 29.78S TC 21
ILZ005-006-012>014-019>023-160400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLEAR 68 54 60 S13G23 29.82S TC 20
CHICAGO-MIDWAY CLEAR 68 53 58 S13G21 29.83S TC 20
AURORA CLEAR 67 56 67 S12 29.81S TC 19
JOLIET* CLEAR 68 55 63 SE8 29.83F TC 20
WAUKEGAN CLEAR 67 54 63 S13 29.81R TC 19
DUPAGE AIRPORT CLEAR 67 55 65 S14 29.81S TC 19
KANKAKEE* CLEAR 64 51 64 SE8 29.86F TC 18
WHEELING PTCLDY 67 54 63 S15 29.83S TC 19
MORRIS* CLEAR 68 55 64 SE13 29.81S TC 20
ROMEOVILLE* CLEAR 66 55 68 SE14 29.83F TC 19
LANSING* CLEAR 64 51 62 S10 29.86S TC 18
NORTHERLY ISL* N/A 66 51 58 S12 N/A TC 19
LMZ740>746-160400-
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 47 1009.2 2/ 4
WAUKEGAN HARBOR 58 52 150/ 10/ 12 1010.4 1/ 3
HARRISON CRIB 64 170/ 17/ 18 N/A
NORTHERLY ISL 67 160/ 8/ 16 N/A
CALUMET HARBOR 68 160/ 9/ 12 1010.4R
BURNS HARBOR 66 170/ 7/ 10 1011.9F
MICHIGAN CITY 66 150/ 12/ 14 1010.2F
ST. JOSEPH BUOY 59 160/ 10/ 12 1012.5F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-160400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 73 62 68 S12 29.76R TC 23
GALESBURG* CLEAR 71 58 65 S8 29.77R TC 22
MACOMB* PTCLDY 72 64 75 S14 29.78R TC 22
JACKSONVILLE* PTCLDY 73 62 69 S12 29.80R TC 23
PITTSFIELD* CLOUDY 73 63 70 S7 29.80R TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-160400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 68 56 64 MISG 29.82S TC 20
BLOOMINGTON PTCLDY 68 59 73 S15 29.82S TC 20
DECATUR PTCLDY 70 59 68 S12 29.84S TC 21
PEORIA PTCLDY 73 60 63 S13 29.78R TC 23
LACON* CLEAR 70 56 61 SE10 29.77R TC 21
LINCOLN* MOCLDY 70 62 75 S9 29.81R TC 21
SPRINGFIELD PTCLDY 74 61 63 S14 29.80S TC 23
TAYLORVILLE PTCLDY 70 61 73 S12 29.84R TC 21
ILZ033-039-045-046-055>057-062-063-160400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 65 58 78 SE12 29.86S TC 18
DANVILLE* PTCLDY 63 54 71 SE9 29.89S TC 17
RANTOUL* PTCLDY 64 56 75 SE10 29.86F TC 18
MATTOON CLEAR 69 57 65 SE13 29.88R TC 21
PARIS* PTCLDY 64 53 69 SE12 29.90S TC 18
ILZ079-100>102-160400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 73 63 68 S10 29.84R TC 23
BELLEVILLE PTCLDY 73 63 72 S8 29.82R TC 23
CAHOKIA* MOCLDY 75 62 64 S5 29.83R TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-160400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 74 61 63 S8 29.90R TC 23
CAIRO* CLOUDY 78 63 58 S6 29.93R HX 80 TC 26
EFFINGHAM* PTCLDY 68 61 78 SE6 29.91R TC 20
MARION CLOUDY 73 58 59 S7 29.91R TC 23
MT. VERNON CLOUDY 73 59 61 SE8 29.89R TC 23
CENTRALIA* MOCLDY 73 58 59 S9 29.88R TC 23
SALEM* MOCLDY 74 60 60 S8 29.88R TC 24
METROPOLIS* CLOUDY 74 62 65 CALM 29.94R TC 23
ILZ067-068-072-073-078-083-087-091-160400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 70 56 61 S6 29.92R TC 21
FLORA* MOCLDY 70 59 68 S12 29.89S TC 21
FAIRFIELD* CLOUDY 72 56 58 S9 29.90S TC 22
HARRISBURG* MOCLDY 71 59 65 S7 29.92R TC 22
ROBINSON* PTCLDY 66 57 72 SE7 29.91R TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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