840
ASUS43 KLOT 171711
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT WED JUN 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.
ILZ001-002-007-009-015-016-024-171800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE RAIN 56 55 97 S18G25 29.47R FOG TC 13
STERLING* PTSUNNY 56 55 97 SE17G25 29.48R TC 13
SAVANNA* LGT RAIN 57 55 91 S17 29.44F TC 14
ILZ003-004-008-010-011-017-018-171800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 56 52 86 S16G28 29.50R TC 13
FREEPORT* CLOUDY 56 55 95 NW6G20 29.50R TC 13
DE KALB* LGT RAIN 54 54 100 S29G40 29.48R TC 12
PERU* LGT RAIN 55 54 94 SE14G20 29.53F TC 13
ILZ005-006-012>014-019>023-171800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE LGT RAIN 57 50 77 S30G49 29.43F TC 14
CHICAGO-MIDWAY LGT RAIN 57 53 86 S30G40 29.48F TC 14
AURORA LGT RAIN 55 53 93 S30G49 29.44F FOG TC 13
JOLIET* RAIN 58 56 94 SE9 29.61S TC 15
WAUKEGAN PTSUNNY 57 53 86 SE13G23 29.47F TC 14
DUPAGE AIRPORT LGT RAIN 55 51 86 S29G47 29.44F TC 13
KANKAKEE* RAIN 57 55 92 SE12 29.63F TC 14
WHEELING PTSUNNY 57 51 80 S16G28 29.48F TC 14
MORRIS* RAIN 57 55 94 SE15 29.59F TC 14
ROMEOVILLE* LGT RAIN 57 55 94 S18G24 29.59F TC 14
LANSING* LGT RAIN 57 55 92 S7 29.64F TC 14
NORTHERLY ISL* N/A 57 52 83 SE32 N/A TC 14
LMZ740>746-171800-
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 55 49 1004.5 2/ 3
WAUKEGAN HARBOR 58 52 110/ 16/ 23 1000.5 2/ 3
WILMETTE BUOY 59 170/ 23/ 35 999.0F 3/ 3
CHICAGO BUOY 58 59 996.2 0
HARRISON CRIB 58 160/ 34/ 39 N/A
NORTHERLY ISL 58 160/ 6 N/A
CALUMET HARBOR 56 160/ 7/ 9 1004.2
BURNS HARBOR 170/ 3/ 6 1004.7F
MICHIGAN CITY 60 160/ 7/ 8 1003.6R
MICH CITY BUOY 60 62 160/ 14/ 19 981.8F 1
ST. JOSEPH BUOY 62 65 190/ 12/ 16 1004.8F 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-171800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 68 65 90 NE12 29.46R TC 20
GALESBURG* LGT RAIN 56 56 100 E9G17 29.49R TC 13
MACOMB* LGT RAIN 59 59 100 SE9 29.51S TC 15
JACKSONVILLE* PTSUNNY 66 66 100 N6G20 29.50R TC 19
PITTSFIELD* PTSUNNY 72 67 84 N6 29.48R TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-171800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC RAIN 56 56 99 MISG 29.62S TC 14
BLOOMINGTON HVY RAIN 58 58 100 NE14 29.61S TC 14
DECATUR LGT RAIN 63 61 93 SE16 29.50F FOG TC 17
PEORIA RAIN 57 56 96 E9G21 29.49F FOG TC 14
LACON* LGT RAIN 56 53 91 SE15G24 29.47F TC 13
SPRINGFIELD TSTM 69 66 90 MISG 29.53R TC 21
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-171800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN RAIN 63 60 90 SE17 29.57F FOG TC 17
DANVILLE* CLOUDY 63 57 82 SE13 29.63F TC 17
MATTOON LGT RAIN 69 66 90 SE8 29.59R FOG TC 21
PARIS* LGT RAIN 65 61 86 E10 29.62F TC 19
ILZ079-100>102-171800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 84 64 51 S29G40 29.45F HX 86 TC 29
BELLEVILLE N/A 85 69 58 SW20G36 29.47F HX 89 TC 30
CAHOKIA* PTSUNNY 86 66 51 SW15G32 29.46F HX 88 TC 30
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-171800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 84 68 58 SW20G40 29.61F HX 87 TC 29
CAIRO* MOSUNNY 83 72 69 S14G24 29.69F HX 89 TC 29
EFFINGHAM* CLOUDY 74 69 82 SE9 29.58F TC 23
MARION MOSUNNY 84 68 58 SW23G32 29.63F HX 87 TC 29
MT. VERNON MOSUNNY 86 67 52 S25G39 29.57F HX 89 TC 30
CENTRALIA* MOSUNNY 85 64 50 SW24G39 29.54F HX 86 TC 29
SALEM* PTSUNNY 82 68 62 MISG 29.53F HX 85 TC 28
METROPOLIS* MOSUNNY 84 68 59 S14G21 29.69F HX 87 TC 29
ILZ067-068-072-073-078-083-087-091-171800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 79 65 62 S15G23 29.63S HX 81 TC 26
FLORA* CLOUDY 81 66 61 S18G30 29.58F HX 83 TC 27
FAIRFIELD* MOSUNNY 83 64 53 S20G29 29.59F HX 84 TC 28
HARRISBURG* SUNNY 83 67 59 SW26G36 29.64F HX 85 TC 28
ROBINSON* PTSUNNY 75 68 78 S10 29.62S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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