327
ASUS43 KLOT 151807
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 PM CDT FRI MAY 15 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.
ILZ001-002-007-009-015-016-024-151900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 75 54 47 S12G17 29.80F TC 24
6HR MIN TEMP: 57; 6HR MAX TEMP: 76; 6HR PCP: TRACE;
STERLING* SUNNY 75 51 43 VRB7 29.84F TC 24
SAVANNA* SUNNY 75 52 43 SW12 29.83F TC 24
ILZ003-004-008-010-011-017-018-151900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 74 52 46 S17G25 29.86F TC 23
6HR MIN TEMP: 58; 6HR MAX TEMP: 74;
FREEPORT* SUNNY 74 55 52 SW12G20 29.86S TC 23
ROCHELLE* SUNNY 74 48 39 S18G26 29.86F TC 23
DE KALB* SUNNY 69 52 54 S21G30 29.89S TC 21
PERU* SUNNY 75 48 38 S18 29.86F TC 24
ILZ005-006-012>014-019>023-151900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOSUNNY 67 49 52 S17G26 29.89F TC 19
6HR MIN TEMP: 57; 6HR MAX TEMP: 67;
CHICAGO-MIDWAY MOSUNNY 66 47 50 S22G35 29.91F TC 19
6HR MIN TEMP: 57; 6HR MAX TEMP: 66;
AURORA SUNNY 71 50 47 S14G32 29.88F TC 22
6HR MIN TEMP: 58; 6HR MAX TEMP: 71;
JOLIET* SUNNY 68 49 49 S15G23 29.92F TC 20
WAUKEGAN SUNNY 69 51 52 SW18G28 29.87F TC 21
6HR MIN TEMP: 56; 6HR MAX TEMP: 69;
DUPAGE AIRPORT SUNNY 68 50 52 S22G33 29.88F TC 20
6HR MIN TEMP: 56; 6HR MAX TEMP: 68;
KANKAKEE* CLOUDY 65 46 50 S16G23 29.95F TC 18
WHEELING MOSUNNY 68 50 52 SW20G26 29.90F TC 20
6HR MIN TEMP: 57; 6HR MAX TEMP: 68;
MORRIS* SUNNY 72 48 43 S18G24 29.89F TC 22
ROMEOVILLE* SUNNY 68 48 49 S24G31 29.92F TC 20
LANSING* CLOUDY 64 48 56 S21 29.94F TC 18
NORTHERLY ISL* N/A 63 46 54 S20 N/A TC 17
LMZ740>746-151900-
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 1010.8F 2/ 3
WAUKEGAN HARBOR 57 51 170/ 10/ 14 1012.4F 2/ 4
HARRISON CRIB 60 180/ 28/ 31 N/A
NORTHERLY ISL 62 200/ 14/ 19 N/A
CALUMET HARBOR 60 180/ 14/ 19 1013.2
BURNS HARBOR 60 190/ 10/ 13 1014.6F
MICHIGAN CITY 62 160/ 17/ 21 1013.1F
ST. JOSEPH BUOY 57 180/ 14/ 16 1014.8F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-151900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 75 57 53 S9 29.83F TC 24
GALESBURG* SUNNY 72 55 53 S13 29.84F TC 22
MACOMB* SUNNY 72 58 61 S9 29.86F TC 22
JACKSONVILLE* SUNNY 73 57 57 S13 29.85F TC 23
PITTSFIELD* SUNNY 76 56 51 S9 29.85F TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-151900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 69 49 49 MISG 29.91F TC 21
BLOOMINGTON SUNNY 67 53 61 S22G30 29.91F TC 19
DECATUR SUNNY 67 51 56 S18G28 29.91F TC 19
PEORIA SUNNY 69 54 58 S13 29.86F TC 21
6HR MIN TEMP: 53; 6HR MAX TEMP: 69; 6HR PCP: TRACE;
LACON* SUNNY 70 51 49 S10G21 29.86F TC 21
LINCOLN* SUNNY 69 55 61 S12G17 29.89F TC 20
SPRINGFIELD SUNNY 72 55 55 S13 29.87F TC 22
6HR MIN TEMP: 53; 6HR MAX TEMP: 72; 6HR PCP: TRACE;
TAYLORVILLE SUNNY 70 55 60 S16G23 29.89F TC 21
ILZ033-039-045-046-055>057-062-063-151900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 64 51 62 SE18 29.94F TC 18
DANVILLE* CLOUDY 62 50 65 S15 29.97F TC 16
RANTOUL* MOSUNNY 63 50 63 S18 29.94F TC 17
MATTOON CLOUDY 65 50 58 SE17G31 29.93F TC 18
PARIS* CLOUDY 59 48 67 SE16 29.97F TC 15
ILZ079-100>102-151900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 54 44 S15G23 29.87F TC 25
BELLEVILLE SUNNY 78 57 47 SW18G24 29.87F TC 26
CAHOKIA* SUNNY 80 54 40 S13G21 29.87F HX 80 TC 27
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-151900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 78 50 37 S15G24 29.93F TC 26
6HR MIN TEMP: 57; 6HR MAX TEMP: 78;
CAIRO* MOSUNNY 83 53 36 S13 29.95F HX 81 TC 28
EFFINGHAM* MOSUNNY 67 51 57 SE15G21 29.95F TC 20
MARION MOSUNNY 75 52 43 S16 29.95F TC 24
MT. VERNON MOSUNNY 75 53 46 S15G24 29.93F TC 24
CENTRALIA* SUNNY 74 52 45 S13G21 29.92F TC 23
SALEM* MOSUNNY 74 51 44 S15G21 29.92F TC 24
METROPOLIS* MOSUNNY 80 53 39 S9 29.98F HX 80 TC 26
ILZ067-068-072-073-078-083-087-091-151900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 71 47 42 SE16 29.98F TC 22
FLORA* MOSUNNY 70 52 52 S16 29.95F TC 21
FAIRFIELD* MOSUNNY 72 46 39 S15G21 29.95F TC 22
HARRISBURG* MOSUNNY 76 51 42 S14 29.96F TC 24
ROBINSON* CLOUDY 66 54 63 S14 29.97F TC 19
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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