795
ASUS43 KLOT 180310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT SUN MAY 17 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.
ILZ001-002-007-009-015-016-024-180400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 78 64 61 S9G21 29.73R HX 80 TC 26
STERLING* CLEAR 78 63 59 VRB5 29.78R HX 80 TC 26
SAVANNA* PTCLDY 79 63 58 S10 29.75R HX 80 TC 26
ILZ003-004-008-010-011-017-018-180400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 77 64 64 SE12G20 29.79R TC 25
FREEPORT* PTCLDY 75 67 75 S9 29.79R TC 24
ROCHELLE* CLEAR 77 61 57 S16 29.80R TC 25
DE KALB* CLEAR 75 64 68 S17G23 29.82S TC 24
PERU* CLEAR 79 63 57 S17 29.80R HX 80 TC 26
ILZ005-006-012>014-019>023-180400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 78 61 55 S13G29 29.81R HX 80 TC 26
CHICAGO-MIDWAY PTCLDY 79 61 53 S16G25 29.83R HX 80 TC 26
AURORA MOCLDY 78 63 59 S20G31 29.81S HX 80 TC 26
JOLIET* CLOUDY 80 63 56 S13G20 29.84S HX 81 TC 26
WAUKEGAN PTCLDY 53 50 89 E3 29.82R TC 12
DUPAGE AIRPORT CLEAR 77 63 61 S18G29 29.81S TC 25
KANKAKEE* MOCLDY 77 60 56 S13G18 29.89S TC 25
WHEELING PTCLDY 78 62 57 S16G26 29.82S HX 80 TC 26
MORRIS* CLOUDY 79 63 57 S14 29.82S HX 80 TC 26
ROMEOVILLE* CLOUDY 77 63 61 S16G24 29.84F TC 25
LANSING* PTCLDY 76 60 57 S14G22 29.87S TC 24
NORTHERLY ISL* N/A 78 58 49 S14 N/A TC 26
LMZ740>746-180400-
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 1006.6 1/ 4
WAUKEGAN HARBOR 50 52 330/ 6/ 8 1010.6 2/ 3
HARRISON CRIB 76 190/ 26/ 28 N/A
NORTHERLY ISL 79 190/ 16/ 25 N/A
CALUMET HARBOR 79 180/ 14/ 20 1010.8
BURNS HARBOR 77 190/ 9/ 14 1011.9S
MICHIGAN CITY 78 180/ 11/ 16 1010.0R
ST. JOSEPH BUOY 63 180/ 6/ 8 1012.9R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-180400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 77 65 66 S14G23 29.76R TC 25
GALESBURG* CLEAR 77 63 62 S15G21 29.77R TC 25
MACOMB* CLEAR 77 65 67 S16G24 29.78R TC 25
JACKSONVILLE* CLEAR 77 64 65 S13G18 29.80F TC 25
PITTSFIELD* CLEAR 78 65 65 S15G21 29.80R HX 80 TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-180400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 77 63 61 MISG 29.85S TC 25
BLOOMINGTON CLEAR 75 63 66 S22 29.86S TC 24
DECATUR N/A N/A N/A N/A MISG 29.88R
PEORIA CLEAR 78 63 59 S14 29.79S HX 80 TC 26
LACON* CLEAR 77 62 58 S17 29.78S TC 25
LINCOLN* CLEAR 77 65 66 S12 29.84S TC 25
SPRINGFIELD CLEAR 77 63 61 S13 29.83R TC 25
TAYLORVILLE CLEAR 73 63 68 S13G18 29.86F TC 23
ILZ033-039-045-046-055>057-062-063-180400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 72 60 66 S13 29.90R TC 22
DANVILLE* CLEAR 73 58 57 S8 29.93S TC 23
RANTOUL* CLEAR 73 60 63 S10 29.91R TC 23
MATTOON CLEAR 75 56 51 S9 29.91R TC 24
PARIS* CLEAR 71 58 62 S10 29.94R TC 22
ILZ079-100>102-180400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 77 64 65 S10 29.86R TC 25
BELLEVILLE CLEAR 77 66 68 S10 29.86R TC 25
CAHOKIA* CLEAR 79 64 60 S9 29.86R HX 81 TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 77 58 51 S9 29.93R TC 25
CAIRO* CLEAR 79 60 51 S8 29.96R HX 80 TC 26
EFFINGHAM* CLEAR 75 56 52 SE7 29.94R TC 24
MARION CLEAR 76 56 51 S9 29.96R TC 24
MT. VERNON CLEAR 76 58 53 S8 29.94R TC 24
CENTRALIA* CLEAR 77 57 50 S12 29.92R TC 25
SALEM* CLEAR 77 60 54 S8 29.92R TC 25
METROPOLIS* CLEAR 77 58 52 SE3 29.98R TC 25
ILZ067-068-072-073-078-083-087-091-180400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 71 63 75 S7 29.96R TC 22
FLORA* CLEAR 72 59 64 S9 29.94R TC 22
FAIRFIELD* CLEAR 74 58 56 S7 29.94S TC 24
HARRISBURG* CLEAR 68 61 77 S6 29.97R TC 20
ROBINSON* CLEAR 72 61 68 S9 29.94R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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