691
ASUS43 KLOT 171806
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-171900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 81 67 62 S20G30 29.76S HX 83 TC 27
6HR MIN TEMP: 66; 6HR MAX TEMP: 81; 6HR PCP: TRACE;
STERLING* N/A N/A N/A N/A MISG N/A
SAVANNA* CLOUDY 78 65 63 S9 29.79S HX 80 TC 26
ILZ003-004-008-010-011-017-018-171900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 79 65 62 S16G30 29.80F HX 81 TC 26
6HR MIN TEMP: 67; 6HR MAX TEMP: 79;
FREEPORT* CLOUDY 77 68 73 S15G23 29.83R TC 25
ROCHELLE* PTSUNNY 83 62 49 S25G36 29.81F HX 84 TC 28
DE KALB* PTSUNNY 81 66 61 S29G37 29.81F HX 83 TC 27
PERU* PTSUNNY 84 64 51 S20G25 29.83F HX 86 TC 29
ILZ005-006-012>014-019>023-171900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 83 64 52 S16G30 29.85F HX 84 TC 28
6HR MIN TEMP: 68; 6HR MAX TEMP: 83;
CHICAGO-MIDWAY PTSUNNY 83 64 52 S20G37 29.86F HX 84 TC 28
6HR MIN TEMP: 68; 6HR MAX TEMP: 83;
AURORA PTSUNNY 83 65 54 S25G33 29.81F HX 85 TC 28
6HR MIN TEMP: 65; 6HR MAX TEMP: 84;
JOLIET* PTSUNNY 83 66 55 S13G21 29.87F HX 85 TC 28
WAUKEGAN PTSUNNY 52 47 83 E9 29.86F TC 11
6HR MIN TEMP: 52; 6HR MAX TEMP: 59;
DUPAGE AIRPORT PTSUNNY 81 66 60 S22G30 29.82F HX 83 TC 27
6HR MIN TEMP: 66; 6HR MAX TEMP: 81;
KANKAKEE* PTSUNNY 83 63 51 S14G28 29.91F HX 84 TC 28
WHEELING PTSUNNY 74 60 61 E8 29.87F TC 23
6HR MIN TEMP: 58; 6HR MAX TEMP: 74;
MORRIS* PTSUNNY 84 64 51 S20G25 29.86F HX 86 TC 29
ROMEOVILLE* MOSUNNY 84 68 58 S18G28 29.88F HX 87 TC 29
LANSING* MOSUNNY 83 64 51 S17 29.90F HX 84 TC 29
NORTHERLY ISL* N/A 61 55 81 NE3 N/A TC 16
LMZ740>746-171900-
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 1005.6F 1/ 3
WAUKEGAN HARBOR 49 52 10/ 8/ 10 1012.4F 1/ 2
HARRISON CRIB 56 70/ 4/ 4 N/A
NORTHERLY ISL 61 20/ 4/ 7 N/A
CALUMET HARBOR 81 170/ 10/ 17 1012.3F
BURNS HARBOR 81 190/ 10/ 15 1012.9F
MICHIGAN CITY 83 170/ 16/ 20 1010.5F
ST. JOSEPH BUOY 67 180/ 8/ 8 1013.5F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-171900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 79 68 69 S14G21 29.81F HX 81 TC 26
GALESBURG* CLOUDY 81 65 59 S17G30 29.81F HX 82 TC 27
MACOMB* PTSUNNY 82 67 62 S16G23 29.84F HX 84 TC 28
JACKSONVILLE* PTSUNNY 80 68 67 S13G21 29.86F HX 82 TC 26
PITTSFIELD* PTSUNNY 80 70 70 S16 29.86F HX 83 TC 27
ILZ028>032-037-038-041>044-048-051>054-059>061-171900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 83 67 57 MISG 29.88F HX 85 TC 28
BLOOMINGTON MOSUNNY 82 68 62 S24 29.89F HX 85 TC 28
DECATUR PTSUNNY 80 69 69 S22G30 29.92S HX 83 TC 27
PEORIA PTSUNNY 79 66 64 S17 29.84F HX 81 TC 26
6HR MIN TEMP: 68; 6HR MAX TEMP: 80;
LACON* PTSUNNY 80 65 59 S13G22 29.83F HX 82 TC 27
LINCOLN* CLOUDY 81 69 66 S14G26 29.89F HX 84 TC 27
SPRINGFIELD PTSUNNY 80 68 66 S17G24 29.88F HX 83 TC 27
6HR MIN TEMP: 69; 6HR MAX TEMP: 81;
TAYLORVILLE PTSUNNY 81 68 65 S17G24 29.92S HX 83 TC 27
ILZ033-039-045-046-055>057-062-063-171900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 82 68 62 S24 29.93F HX 85 TC 28
DANVILLE* PTSUNNY 82 65 56 S16G28 29.96S HX 84 TC 28
RANTOUL* PTSUNNY 82 65 55 S23G29 29.93F HX 84 TC 28
MATTOON MOSUNNY 80 65 59 S18G28 29.94F HX 82 TC 27
PARIS* MOSUNNY 81 65 58 S20G29 29.96F HX 82 TC 27
ILZ079-100>102-171900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 81 66 61 S16G29 29.90F HX 83 TC 27
BELLEVILLE PTSUNNY 83 70 63 S21G28 29.89F HX 87 TC 29
CAHOKIA* PTSUNNY 84 65 52 S14G24 29.88F HX 86 TC 29
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 84 65 52 S17G26 29.96F HX 86 TC 29
6HR MIN TEMP: 69; 6HR MAX TEMP: 84;
CAIRO* SUNNY 85 62 46 SW12G18 29.99F HX 86 TC 30
EFFINGHAM* MOSUNNY 82 67 60 S14G23 29.96F HX 84 TC 28
MARION MOSUNNY 82 66 57 S14 29.98F HX 85 TC 28
MT. VERNON MOSUNNY 82 67 60 S18 29.97F HX 84 TC 28
CENTRALIA* PTSUNNY 81 67 61 S14G26 29.95S HX 84 TC 27
SALEM* MOSUNNY 83 69 63 S17G25 29.95S HX 86 TC 28
METROPOLIS* MOSUNNY 83 64 51 SE8G17 30.01F HX 85 TC 29
ILZ067-068-072-073-078-083-087-091-171900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 82 66 58 S17G29 29.99F HX 84 TC 28
FLORA* MOSUNNY 82 66 57 S21G28 29.96F HX 85 TC 28
FAIRFIELD* MOSUNNY 82 65 56 S16G22 29.98F HX 83 TC 28
HARRISBURG* PTSUNNY 83 64 53 S18G24 29.99F HX 84 TC 28
ROBINSON* MOSUNNY 81 68 65 S13G23 29.97F HX 83 TC 27
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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