943
ASUS43 KLOT 171910
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 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.
ILZ001-002-007-009-015-016-024-172000-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 82 67 60 S16G30 29.75F HX 84 TC 28
STERLING* PTSUNNY 83 66 56 S13G20 N/A HX 85 TC 28
SAVANNA* PTSUNNY 81 66 59 SW10 29.78F HX 83 TC 27
ILZ003-004-008-010-011-017-018-172000-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 82 65 56 S15G28 29.81R HX 84 TC 28
FREEPORT* CLOUDY 80 68 67 S16 29.82F HX 82 TC 27
ROCHELLE* PTSUNNY 84 60 45 S26G35 29.81S HX 84 TC 29
DE KALB* PTSUNNY 81 64 56 S24G35 29.83R HX 83 TC 27
PERU* PTSUNNY 84 64 51 S28G33 29.80F HX 86 TC 29
ILZ005-006-012>014-019>023-172000-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 84 62 47 S22G36 29.80F HX 85 TC 29
CHICAGO-MIDWAY PTSUNNY 84 61 45 S25G38 29.80F HX 84 TC 29
AURORA PTSUNNY 85 63 47 S25G35 29.81S HX 86 TC 29
JOLIET* PTSUNNY 86 65 49 S16G28 29.82F HX 88 TC 30
WAUKEGAN PTSUNNY 57 52 83 NE7 29.83F TC 14
DUPAGE AIRPORT PTSUNNY 83 63 50 S24G38 29.80F HX 84 TC 28
KANKAKEE* PTSUNNY 83 63 50 S17G28 29.89F HX 84 TC 29
WHEELING PTSUNNY 84 63 49 S18G38 29.81F HX 85 TC 29
MORRIS* PTSUNNY 84 63 48 S20G31 29.81F HX 85 TC 29
ROMEOVILLE* MOSUNNY 84 68 58 S18G26 29.82F HX 87 TC 29
LANSING* PTSUNNY 82 62 50 S17G29 29.86F HX 83 TC 28
NORTHERLY ISL* N/A 79 60 52 S16 N/A HX 80 TC 26
LMZ740>746-172000-
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 1006.8 1/ 3
WAUKEGAN HARBOR 49 52 340/ 10/ 14 1011.2 1/ 2
HARRISON CRIB 60 110/ 3/ 6 N/A
NORTHERLY ISL 62 70/ 2/ 5 N/A
CALUMET HARBOR 82 180/ 14/ 22 1011.3
BURNS HARBOR 82 200/ 12/ 16 1012.2F
MICHIGAN CITY 83 190/ 23/ 28 1009.7F
ST. JOSEPH BUOY 68 190/ 12/ 16 1012.8F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-172000-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 81 68 64 S15G24 29.79F HX 84 TC 27
GALESBURG* PTSUNNY 83 66 56 S18G29 29.80S HX 84 TC 28
MACOMB* PTSUNNY 83 67 57 S20 29.82F HX 86 TC 29
JACKSONVILLE* PTSUNNY 80 68 66 S15G23 29.83F HX 83 TC 27
PITTSFIELD* MOSUNNY 82 70 68 S15 29.83F HX 85 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-172000-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 86 65 48 MISG 29.85F HX 88 TC 30
BLOOMINGTON PTSUNNY 83 68 60 S24G33 29.87F HX 86 TC 28
DECATUR PTSUNNY 81 69 67 S16G29 29.91F HX 84 TC 27
PEORIA PTSUNNY 81 67 62 S20G30 29.82F HX 83 TC 27
LACON* CLOUDY 82 65 57 S14G24 29.81F HX 83 TC 28
LINCOLN* PTSUNNY 82 68 63 S17G28 29.86F HX 84 TC 28
SPRINGFIELD CLOUDY 82 67 60 S20G31 29.85F HX 84 TC 28
TAYLORVILLE PTSUNNY 81 66 61 S14G29 29.90F HX 83 TC 27
ILZ033-039-045-046-055>057-062-063-172000-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 83 66 56 S24G38 29.92F HX 85 TC 28
DANVILLE* PTSUNNY 84 64 50 S22G28 29.94F HX 85 TC 29
RANTOUL* PTSUNNY 84 64 50 S22G28 29.91F HX 85 TC 29
MATTOON MOSUNNY 82 64 54 S20G37 29.94S HX 83 TC 28
PARIS* PTSUNNY 82 64 53 S22G29 29.96S HX 83 TC 28
ILZ079-100>102-172000-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 84 66 54 S22G35 29.88F HX 86 TC 29
BELLEVILLE MOSUNNY 84 67 56 SW24 29.87F HX 87 TC 29
CAHOKIA* MOSUNNY 87 65 47 S13G26 29.87F HX 89 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172000-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 85 64 49 S20G32 29.93F HX 86 TC 29
CAIRO* MOSUNNY 88 63 42 S16G24 29.96F HX 89 TC 31
EFFINGHAM* PTSUNNY 82 66 58 SE10G23 29.95F HX 84 TC 28
MARION MOSUNNY 84 64 51 S21 29.96F HX 86 TC 29
MT. VERNON MOSUNNY 85 67 54 S15G25 29.95F HX 87 TC 29
CENTRALIA* MOSUNNY 81 66 61 S9G23 29.93F HX 83 TC 27
SALEM* PTSUNNY 82 67 60 S16G25 29.93F HX 84 TC 28
METROPOLIS* MOSUNNY 85 63 47 SE12G17 29.99F HX 86 TC 30
ILZ067-068-072-073-078-083-087-091-172000-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 84 65 52 S18 29.97F HX 86 TC 29
FLORA* PTSUNNY 82 66 57 S22 29.95F HX 85 TC 28
FAIRFIELD* PTSUNNY 83 63 51 S14G22 29.96F HX 84 TC 28
HARRISBURG* MOSUNNY 84 64 50 S14 29.98F HX 86 TC 29
ROBINSON* MOSUNNY 82 68 61 S18G26 29.95F HX 85 TC 28
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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