498
ASUS43 KLOT 161601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT SAT MAY 16 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.
ILZ001-002-007-009-015-016-024-161700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 76 63 64 S5 29.86R TC 24
STERLING* SUNNY 74 64 71 SW6 29.89R TC 23
SAVANNA* MOSUNNY 74 63 66 W5 29.88R TC 24
ILZ003-004-008-010-011-017-018-161700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 75 61 61 W10G16 29.88R TC 24
FREEPORT* SUNNY 74 66 75 W7 29.89R TC 23
DE KALB* MOSUNNY 71 63 76 W9 29.90R TC 22
PERU* SUNNY 72 63 73 S10 29.90R TC 22
ILZ005-006-012>014-019>023-161700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 75 60 59 SW13 29.87R TC 24
CHICAGO-MIDWAY MOSUNNY 74 61 63 SW12 29.88R TC 23
AURORA MOSUNNY 74 63 68 SW12 29.89R TC 23
JOLIET* MOSUNNY 74 65 72 SW9 29.91R TC 24
WAUKEGAN MOSUNNY 74 61 63 W9G20 29.84R TC 23
DUPAGE AIRPORT MOSUNNY 72 62 71 SW13 29.88R TC 22
KANKAKEE* MOSUNNY 75 61 60 SW14 29.93R TC 24
WHEELING MOSUNNY 76 59 55 NW9 29.87R TC 24
MORRIS* SUNNY 72 64 78 SW13 29.90R TC 22
ROMEOVILLE* SUNNY 73 66 78 SW16 29.90R TC 23
LANSING* MOSUNNY 74 64 70 W6 29.91R TC 23
NORTHERLY ISL* N/A 73 56 54 SW12 N/A TC 23
LMZ740>746-161700-
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 49 1021.8R 1/ 4
WAUKEGAN HARBOR 68 52 290/ 12/ 14 1011.8R 1
HARRISON CRIB 71 220/ 10/ 12 N/A
NORTHERLY ISL 71 210/ 7/ 10 N/A
CALUMET HARBOR 71 220/ 5/ 11 1011.0
BURNS HARBOR 71 220/ 7/ 8 1012.5R
MICHIGAN CITY 70 200/ 10/ 12 1010.0R
ST. JOSEPH BUOY 53 190/ 6/ 10 1011.6R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-161700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 68 65 90 S10 29.88R TC 20
GALESBURG* CLOUDY 77 62 59 S9 29.89R TC 25
MACOMB* PTSUNNY 76 65 67 S20 29.90R TC 25
JACKSONVILLE* PTSUNNY 66 64 90 S9 29.91R THUNDER TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-161700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BLOOMINGTON PTSUNNY 76 66 71 S16 29.93R TC 24
DECATUR TSTM 72 67 84 SW17 29.91F TC 22
PEORIA PTSUNNY 76 64 66 S13 29.90R TC 24
LACON* SUNNY 74 61 63 SW6 29.90S TC 24
LINCOLN* RAIN 73 67 83 SW7 29.94R TC 23
SPRINGFIELD TSTM 70 64 81 W17 29.95R TC 21
TAYLORVILLE PTSUNNY 72 64 78 SW15G21 29.94R THUNDER TC 22
ILZ033-039-045-046-055>057-062-063-161700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 72 67 84 S16 29.91S TC 22
DANVILLE* PTSUNNY 70 67 89 S8 29.95R TC 21
MATTOON CLOUDY 73 66 78 SW5 29.94S TC 23
PARIS* LGT RAIN 71 66 83 SW10 29.94F TC 22
ILZ079-100>102-161700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON TSTM 66 66 100 E6 29.93F FOG TC 19
BELLEVILLE PTSUNNY 73 72 94 S3 29.92F TC 23
CAHOKIA* CLOUDY 74 69 85 SE7 29.92F TC 23
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 80 67 64 S13 29.94S HX 82 TC 27
CAIRO* CLOUDY 79 68 69 S9 29.96F HX 82 TC 26
EFFINGHAM* DRIZZLE 70 69 96 SE3 29.99R TC 21
MARION CLOUDY 79 68 69 S7 29.96S HX 81 TC 26
MT. VERNON PTSUNNY 78 69 73 SW3 29.97S HX 80 TC 26
CENTRALIA* PTSUNNY 74 69 86 CALM 29.96F TC 23
SALEM* LGT RAIN 74 69 85 S6 29.98R TC 23
METROPOLIS* CLOUDY 78 67 68 S7 29.98S HX 80 TC 26
ILZ067-068-072-073-078-083-087-091-161700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 71 65 81 SE7 29.99R TC 22
FLORA* LGT RAIN 73 68 83 S6 30.00R TC 23
FAIRFIELD* PTSUNNY 76 66 71 SW3 29.98R TC 24
HARRISBURG* PTSUNNY 77 67 70 SW9 29.97R TC 25
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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