997
ASUS43 KLOT 161710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM 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.
ILZ001-002-007-009-015-016-024-161800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 78 63 59 S8 29.88R HX 80 TC 26
STERLING* SUNNY 77 64 64 VRB5 29.91R TC 25
SAVANNA* SUNNY 76 63 62 W3 29.88S TC 25
ILZ003-004-008-010-011-017-018-161800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 78 60 53 SW13G20 29.88S TC 26
FREEPORT* SUNNY 76 65 70 CALM 29.90S TC 24
ROCHELLE* MOSUNNY 76 60 57 SW10 29.91R TC 25
DE KALB* PTSUNNY 74 64 70 SW9G16 29.92R TC 23
PERU* PTSUNNY 79 63 57 S13 29.90F HX 80 TC 26
ILZ005-006-012>014-019>023-161800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 76 60 57 SW12 29.88R TC 24
CHICAGO-MIDWAY MOSUNNY 77 60 55 SW12G21 29.90R TC 25
AURORA MOSUNNY 77 62 59 SW12G24 29.90R TC 25
JOLIET* MOSUNNY 78 64 61 SW8 29.91S HX 80 TC 26
WAUKEGAN SUNNY 76 62 62 W10G21 29.87R TC 24
DUPAGE AIRPORT PTSUNNY 76 63 64 SW14G23 29.90R TC 24
KANKAKEE* MOSUNNY 80 58 46 SW14G23 29.93S HX 80 TC 27
WHEELING MOSUNNY 78 61 55 W13G20 29.89R HX 80 TC 26
MORRIS* MOSUNNY 79 63 57 W9 29.91S HX 80 TC 26
ROMEOVILLE* MOSUNNY 77 64 65 SW14G23 29.92R TC 25
LANSING* PTSUNNY 77 62 59 SW13G18 29.91S TC 25
NORTHERLY ISL* N/A 76 55 48 S10 N/A TC 24
LMZ740>746-161800-
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 1023.5 1/ 3
WAUKEGAN HARBOR 67 52 260/ 6/ 8 1012.5 1
HARRISON CRIB 73 220/ 15/ 16 N/A
NORTHERLY ISL 75 210/ 6/ 11 N/A
CALUMET HARBOR 75 210/ 11/ 14 1012.1R
BURNS HARBOR 73 230/ 6/ 10 1013.5R
MICHIGAN CITY 67 240/ 19/ 20 1011.0R
ST. JOSEPH BUOY 55 270/ 4/ 8 1013.2R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-161800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 68 65 90 SE10 29.88S TC 20
GALESBURG* CLOUDY 78 64 63 S17G23 29.90R TC 25
MACOMB* PTSUNNY 73 67 81 S13 29.92R TC 23
JACKSONVILLE* CLOUDY 67 67 100 S8 29.92S TC 20
PITTSFIELD* CLOUDY 66 66 98 E8 29.93R THUNDER TC 19
ILZ028>032-037-038-041>044-048-051>054-059>061-161800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 80 63 57 MISG 29.92S HX 81 TC 26
BLOOMINGTON CLOUDY 73 66 78 SW21G30 29.95R TC 23
DECATUR TSTM 67 64 90 NW17G30 29.98 FOG TC 19
PEORIA CLOUDY 74 64 71 S17G26 29.91R TC 23
LACON* PTSUNNY 77 63 61 CALM 29.90S TC 25
LINCOLN* CLOUDY 69 64 84 SW3 29.94S TC 21
SPRINGFIELD LGT RAIN 68 64 87 S16 29.92F TC 20
TAYLORVILLE CLOUDY 70 63 78 N6 29.98R TC 21
ILZ033-039-045-046-055>057-062-063-161800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN TSTM 71 68 90 SW14 29.97R TC 22
DANVILLE* CLOUDY 73 68 87 SW8 29.95S TC 23
RANTOUL* CLOUDY 74 68 80 SW15 29.94R TC 24
MATTOON CLOUDY 73 68 84 S8 29.96R TC 23
PARIS* CLOUDY 73 65 78 SW13 29.97R THUNDER TC 23
ILZ079-100>102-161800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 68 66 94 SE9 29.94R TC 20
BELLEVILLE PTSUNNY 77 73 87 S6 29.92S TC 25
CAHOKIA* CLOUDY 77 70 79 S6 29.93R TC 25
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-161800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 79 68 69 NW5 29.97R HX 81 TC 26
CAIRO* CLOUDY 80 69 68 S7 29.97F HX 83 TC 27
EFFINGHAM* CLOUDY 73 71 93 SE5 29.97F TC 23
MARION CLOUDY 79 66 65 S5 29.96S HX 81 TC 26
MT. VERNON N/A 80 70 71 SW8 29.97S HX 83 TC 27
CENTRALIA* CLOUDY 76 70 82 S9 29.96S TC 24
SALEM* CLOUDY 76 71 82 S7 29.96S TC 25
METROPOLIS* PTSUNNY 81 68 64 S14 30.00R HX 84 TC 27
ILZ067-068-072-073-078-083-087-091-161800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 74 67 78 S14 29.98F TC 23
FLORA* LGT RAIN 73 70 88 SE12 29.97F TC 23
FAIRFIELD* PTSUNNY 78 66 66 SW3 29.98R HX 80 TC 26
HARRISBURG* PTSUNNY 79 67 68 SW6 29.97F HX 81 TC 26
ROBINSON* LGT RAIN 70 68 94 S17 29.96F TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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