670
ASUS43 KLOT 172006
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 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.
ILZ001-002-007-009-015-016-024-172100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 85 67 54 SW18G26 29.74F HX 87 TC 29
STERLING* PTSUNNY 84 65 52 S8 29.79 HX 86 TC 29
SAVANNA* PTSUNNY 85 65 50 S18 29.76F HX 86 TC 29
ILZ003-004-008-010-011-017-018-172100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 84 64 50 S16G31 29.80F HX 85 TC 29
FREEPORT* CLOUDY 81 68 64 SW21 29.80F HX 84 TC 27
ROCHELLE* CLOUDY 84 61 44 S28G33 29.81S HX 84 TC 29
DE KALB* CLOUDY 81 65 56 S29 29.84R HX 83 TC 27
PERU* CLOUDY 84 64 51 S21G26 29.80S HX 86 TC 29
ILZ005-006-012>014-019>023-172100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 86 61 42 S16G35 29.81R HX 86 TC 30
CHICAGO-MIDWAY PTSUNNY 86 62 44 S20G37 29.82R HX 86 TC 30
AURORA PTSUNNY 84 63 49 SW18G33 29.81S HX 85 TC 29
JOLIET* PTSUNNY 87 65 47 S15G28 29.82R HX 88 TC 31
WAUKEGAN PTSUNNY 63 55 75 NE7 29.83S TC 17
DUPAGE AIRPORT PTSUNNY 84 63 49 S17G29 29.82R HX 85 TC 29
KANKAKEE* PTSUNNY 84 62 46 SW22G32 29.87S HX 85 TC 29
WHEELING PTSUNNY 84 61 45 S21G37 29.83R HX 84 TC 29
MORRIS* PTSUNNY 86 63 45 S23 29.80F HX 87 TC 30
ROMEOVILLE* MOSUNNY 86 64 48 S23G35 29.83R HX 87 TC 30
LANSING* PTSUNNY 85 62 46 S17G30 29.83F HX 85 TC 29
NORTHERLY ISL* N/A 83 58 42 S21 N/A HX 83 TC 28
LMZ740>746-172100-
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 1007.9 1/ 3
WAUKEGAN HARBOR 49 52 340/ 14/ 17 1011.2 1/ 3
HARRISON CRIB 79 190/ 29/ 32 N/A
NORTHERLY ISL 170/ 21 N/A
CALUMET HARBOR 84 160/ 17/ 25 1009.6
BURNS HARBOR 83 190/ 12/ 16 1010.8F
MICHIGAN CITY 84 170/ 19/ 22 1008.5F
ST. JOSEPH BUOY 70 170/ 12/ 16 1011.4F 1/ 2
ILZ025>027-034>036-040-047-049-050-058-095>099-172100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 82 69 64 S13G25 29.78F HX 85 TC 28
GALESBURG* PTSUNNY 84 65 52 S17G26 29.78F HX 86 TC 29
MACOMB* PTSUNNY 85 67 55 S20 29.80F HX 88 TC 29
JACKSONVILLE* PTSUNNY 82 68 62 S16G23 29.82F HX 85 TC 28
PITTSFIELD* CLOUDY 83 70 65 S12G22 29.82S HX 86 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-172100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 87 64 46 MISG 29.83F HX 88 TC 30
BLOOMINGTON PTSUNNY 81 66 60 S31G37 29.84F HX 83 TC 27
DECATUR PTSUNNY 80 66 62 S17G30 29.88F HX 82 TC 27
PEORIA PTSUNNY 82 66 58 S18G32 29.80F HX 84 TC 28
LACON* CLOUDY 83 65 53 SW21G30 29.79F HX 85 TC 28
LINCOLN* PTSUNNY 82 67 60 S15G25 29.84F HX 85 TC 28
SPRINGFIELD CLOUDY 82 66 58 S21G32 29.83F HX 84 TC 28
TAYLORVILLE PTSUNNY 81 66 61 S15G30 29.88S HX 83 TC 27
ILZ033-039-045-046-055>057-062-063-172100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 84 66 54 S26G33 29.90F HX 86 TC 29
DANVILLE* MOSUNNY 85 62 46 S25G35 29.92F HX 85 TC 29
RANTOUL* PTSUNNY 84 63 48 S22G35 29.89F HX 85 TC 29
MATTOON PTSUNNY 81 64 56 S17G32 29.93F HX 82 TC 27
PARIS* PTSUNNY 83 64 51 S21G26 29.95S HX 85 TC 29
ILZ079-100>102-172100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 84 66 54 S20G30 29.86F HX 86 TC 29
BELLEVILLE MOSUNNY 85 67 55 SW20G30 29.86F HX 87 TC 29
CAHOKIA* MOSUNNY 87 63 44 S17G31 29.85F HX 88 TC 31
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-172100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 87 62 43 S18G26 29.92F HX 87 TC 31
CAIRO* PTSUNNY 89 63 41 S12 29.96S HX 89 TC 32
EFFINGHAM* PTSUNNY 82 66 57 SE13G20 29.94F HX 84 TC 28
MARION MOSUNNY 84 64 51 S18G30 29.94F HX 86 TC 29
MT. VERNON MOSUNNY 85 65 51 S17G25 29.93F HX 86 TC 29
CENTRALIA* PTSUNNY 84 65 52 S15G25 29.92S HX 86 TC 29
SALEM* PTSUNNY 84 67 56 S15G28 29.92F HX 87 TC 29
METROPOLIS* SUNNY 86 62 43 SE12G17 29.97F HX 86 TC 30
ILZ067-068-072-073-078-083-087-091-172100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 84 62 47 S20G29 29.96F HX 85 TC 29
FLORA* MOSUNNY 82 64 54 S21 29.94F HX 84 TC 28
FAIRFIELD* MOSUNNY 85 61 44 S16G23 29.94F HX 85 TC 30
HARRISBURG* MOSUNNY 85 62 46 S15 29.96F HX 86 TC 30
ROBINSON* MOSUNNY 84 64 51 S20 29.94F HX 86 TC 29
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