108
ASUS43 KLOT 171310
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM 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.
ILZ001-002-007-009-015-016-024-171400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 67 64 90 SE12 29.79F TC 19
STERLING* MOSUNNY 68 66 93 VRB5 29.86F TC 20
SAVANNA* MOSUNNY 66 63 89 E7 29.83F TC 19
ILZ003-004-008-010-011-017-018-171400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 68 63 84 SE6 29.91R TC 20
FREEPORT* CLOUDY 67 66 95 S5 29.91S TC 20
ROCHELLE* CLOUDY 70 62 76 S16 29.91R TC 21
DE KALB* PTSUNNY 68 65 88 S13 29.92S TC 20
PERU* CLOUDY 72 64 78 S12 29.89F TC 22
ILZ005-006-012>014-019>023-171400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 70 63 78 CALM 29.92R TC 21
CHICAGO-MIDWAY PTSUNNY 71 64 78 S8 29.93R TC 22
AURORA PTSUNNY 70 64 81 S12 29.92R TC 21
JOLIET* CLOUDY 71 67 85 S6 29.93R TC 22
WAUKEGAN PTSUNNY 53 45 74 NE9 29.94R TC 12
DUPAGE AIRPORT PTSUNNY 69 64 84 S7 29.92R TC 21
KANKAKEE* MOSUNNY 71 66 83 S13G18 29.95R TC 22
WHEELING MOSUNNY 59 51 75 NE7 29.95R TC 15
MORRIS* PTSUNNY 70 64 83 S8 29.92R TC 21
ROMEOVILLE* MOSUNNY 70 66 88 S13 29.93R TC 21
LANSING* MOSUNNY 71 64 79 S10 29.94R TC 22
NORTHERLY ISL* N/A 71 62 73 S6 N/A TC 22
LMZ740>746-171400-
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 1004.7 2/ 3
WAUKEGAN HARBOR 50 53 340/ 14/ 17 1014.6 2/ 3
HARRISON CRIB 67 160/ 5/ 5 N/A
NORTHERLY ISL 70 180/ 6/ 9 N/A
CALUMET HARBOR 69 170/ 8/ 12 1013.0
BURNS HARBOR 69 190/ 6/ 9 1013.9S
MICHIGAN CITY 70 160/ 12/ 16 1011.9F
ST. JOSEPH BUOY 60 150/ 6/ 6 1014.6F 0
ILZ025>027-034>036-040-047-049-050-058-095>099-171400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 70 64 81 S10 29.83S TC 21
GALESBURG* PTSUNNY 67 64 88 SE6 29.84F TC 20
MACOMB* CLOUDY 68 66 94 S10 29.85F TC 20
JACKSONVILLE* CLOUDY 70 64 82 S13G18 29.88S TC 21
PITTSFIELD* CLOUDY 71 65 81 S15 29.87S TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-171400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 73 67 81 MISG 29.93R TC 23
BLOOMINGTON MOSUNNY 69 67 93 S17 29.93S TC 21
DECATUR MOSUNNY 70 66 87 S16 29.94R TC 21
PEORIA CLOUDY 69 64 84 S7 29.88F TC 21
LACON* CLOUDY 70 63 79 S7 29.88F TC 21
LINCOLN* PTSUNNY 72 70 95 S13 29.91F TC 22
SPRINGFIELD PTSUNNY 71 65 81 S14 29.89F TC 22
TAYLORVILLE PTSUNNY 72 66 83 S14 29.93F TC 22
ILZ033-039-045-046-055>057-062-063-171400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 70 67 90 S16 29.96R TC 21
DANVILLE* MOSUNNY 72 66 81 S15G21 29.98R TC 22
RANTOUL* MOSUNNY 71 66 85 S13 29.96R TC 21
MATTOON MOSUNNY 71 65 81 S13G20 29.98R TC 22
PARIS* MOSUNNY 69 65 85 S15 30.00R TC 21
ILZ079-100>102-171400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 64 78 S12 29.93R TC 22
BELLEVILLE PTSUNNY 73 68 83 S8 29.93R TC 23
CAHOKIA* PTSUNNY 73 64 73 VRB7 29.93R TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 73 62 68 S9 29.99R TC 23
CAIRO* SUNNY 73 62 69 S9 30.01R TC 23
EFFINGHAM* MOSUNNY 71 66 84 S8 30.01R TC 22
MARION MOSUNNY 72 61 68 S12 30.00R TC 22
MT. VERNON MOSUNNY 73 63 70 S12G17 30.00R TC 23
CENTRALIA* CLOUDY 72 65 78 CALM 29.99R TC 22
SALEM* PTSUNNY 71 66 82 S7 29.99R TC 22
METROPOLIS* MOSUNNY 72 62 70 S6 30.03R TC 22
ILZ067-068-072-073-078-083-087-091-171400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
FLORA* MOSUNNY 70 64 83 S12 30.00R TC 21
FAIRFIELD* SUNNY 72 63 72 S9 30.00S TC 22
HARRISBURG* MOSUNNY 73 63 69 S9 30.02S TC 23
ROBINSON* MOSUNNY 72 68 88 S14 30.00R TC 22
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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