532
ASUS43 KLOT 171510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM CDT FRI APR 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.
ILZ001-002-007-009-015-016-024-171600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 72 64 76 S14 29.79F TC 22
STERLING* MOSUNNY 68 63 84 SE8 29.85F TC 20
SAVANNA* MOSUNNY 70 61 73 S15 29.81F TC 21
ILZ003-004-008-010-011-017-018-171600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 67 60 78 S12G20 29.88S TC 19
FREEPORT* MOSUNNY 67 64 93 S14 29.86F TC 19
ROCHELLE* PTSUNNY 65 60 83 S15 29.89S TC 19
DE KALB* PTSUNNY 64 61 88 S15 29.91R TC 18
PERU* MOSUNNY N/A N/A N/A S14 29.88F
ILZ005-006-012>014-019>023-171600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 68 56 65 SE10 29.90F TC 20
CHICAGO-MIDWAY PTSUNNY 70 57 63 S12G20 29.90F TC 21
AURORA PTSUNNY 69 61 75 S16 29.90S TC 21
JOLIET* PTSUNNY 70 62 77 S14 29.93R TC 21
WAUKEGAN PTSUNNY 52 50 93 SE6 29.90F TC 11
DUPAGE AIRPORT PTSUNNY 70 60 70 SE10 29.89F TC 21
KANKAKEE* PTSUNNY 68 62 81 S9 29.95S TC 20
WHEELING PTSUNNY 67 56 67 S8 29.91F TC 19
MORRIS* PTSUNNY 67 61 81 S13 29.91S TC 19
ROMEOVILLE* PTSUNNY 70 63 78 SE14 29.92S TC 21
LANSING* PTSUNNY 69 57 64 SE7 29.94S TC 21
NORTHERLY ISL* N/A 51 49 92 NE1 N/A TC 11
LMZ740>746-171600-
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 44 1016.9 1
WAUKEGAN HARBOR 45 48 1014.3 1
HARRISON CRIB 47 160/ 8/ 8 N/A
NORTHERLY ISL 49 50/ 2/ 3 N/A
CALUMET HARBOR 57 80/ 4/ 5 1013.0F
BURNS HARBOR 69 170/ 7/ 10 1014.6S
MICHIGAN CITY 68 150/ 13/ 17 1012.5F
ST. JOSEPH BUOY 57 170/ 6/ 6 1015.0R 1
ILZ025>027-034>036-040-047-049-050-058-095>099-171600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 73 65 75 S15 29.82F TC 23
GALESBURG* MOSUNNY 71 68 90 S13G23 29.83F TC 22
MACOMB* MOSUNNY 72 66 81 S15 29.85F TC 22
JACKSONVILLE* SUNNY 74 63 68 S13 29.87F TC 23
PITTSFIELD* MOSUNNY 75 65 70 S14 29.87S TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-171600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 70 63 80 MISG 29.92F TC 21
BLOOMINGTON MOSUNNY 69 64 84 S16 29.92F TC 21
DECATUR MOSUNNY 70 62 76 S12 29.92F TC 21
PEORIA MOSUNNY 70 64 81 S14G22 29.86F TC 21
LACON* SUNNY 71 63 74 S10 29.87F TC 22
LINCOLN* SUNNY 71 59 66 S7 29.90F TC 22
SPRINGFIELD SUNNY 72 62 71 S14 29.89F TC 22
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-171600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 70 61 73 S14 29.95S TC 21
DANVILLE* PTSUNNY 69 61 76 S9 29.98F TC 21
RANTOUL* PTSUNNY 68 62 79 S13 29.95S TC 20
MATTOON MOSUNNY 68 60 75 S12 29.96S TC 20
PARIS* PTSUNNY 69 59 69 MISG 29.98F TC 21
ILZ079-100>102-171600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 63 73 S13 29.91F TC 22
BELLEVILLE MOSUNNY 73 66 77 SW12 29.91 TC 23
CAHOKIA* SUNNY 74 64 71 S13 29.91F TC 23
SPARTA* SUNNY 70 63 77 S12 29.96S TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 72 62 71 S10 29.97S TC 22
CAIRO* SUNNY 70 63 77 S8 30.01S TC 21
EFFINGHAM* SUNNY 69 62 76 SE9 29.98S TC 21
MARION MOSUNNY 72 61 68 SW12 29.98S TC 22
MT. VERNON PTSUNNY 71 62 73 S10 29.97F TC 22
CENTRALIA* MOSUNNY 71 61 71 S10 29.96S TC 21
SALEM* PTSUNNY 72 61 70 S9 29.96S TC 22
METROPOLIS* SUNNY 71 62 71 MISG 30.01S TC 22
ILZ067-068-072-073-078-083-087-091-171600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 69 57 65 SW10 30.00S TC 21
FLORA* MOSUNNY 70 61 73 S10 29.98S TC 21
FAIRFIELD* SUNNY 71 59 66 S10 29.98F TC 22
HARRISBURG* MOSUNNY 73 61 65 SW12 29.99F TC 23
ROBINSON* PTSUNNY 70 61 73 S9 29.99S TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page