596
ASUS43 KLOT 180710
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CDT SAT APR 18 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.
ILZ001-002-007-009-015-016-024-180800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 47 37 68 NW18G29 29.75R TC 8
STERLING* CLOUDY 49 47 93 NW10 29.70R TC 9
SAVANNA* CLOUDY 47 40 75 NW15 29.71R TC 9
ILZ003-004-008-010-011-017-018-180800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 50 47 89 W21G28 29.66R TC 10
FREEPORT* CLOUDY 47 46 94 NW16G26 29.69R TC 9
ROCHELLE* CLOUDY 51 48 90 NW18G24 29.67R TC 11
DE KALB* CLOUDY 55 54 99 W15G21 29.63S TC 13
PERU* CLOUDY 51 51 99 W21G26 29.70R TC 10
ILZ005-006-012>014-019>023-180800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE RAIN 62 59 90 SW8 29.58F FOG TC 17
CHICAGO-MIDWAY LGT RAIN 62 59 90 S12G24 29.62F TC 17
AURORA CLOUDY 58 56 93 W21G26 29.63F TC 14
JOLIET* LGT RAIN 62 62 99 SE6 29.60F TC 17
WAUKEGAN LGT RAIN 62 60 93 SW16 29.57F TC 17
DUPAGE AIRPORT LGT RAIN 61 59 93 SW13 29.60F TC 16
KANKAKEE* LGT RAIN 60 58 94 SW9 29.68F TC 16
WHEELING LGT RAIN 62 60 93 SW8G17 29.60F TC 17
MORRIS* LGT RAIN 60 60 99 SW12 29.63F TC 16
ROMEOVILLE* LGT RAIN 61 61 100 SE10 29.60F TC 16
LANSING* LGT RAIN 60 59 94 SW7 29.63F TC 16
NORTHERLY ISL* N/A 62 57 83 SW8 N/A TC 17
LMZ740>746-180800-
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 45 1012.0 1/ 4
WAUKEGAN HARBOR 60 50 N/A 1/ 4
HARRISON CRIB 63 230/ 16/ 19 N/A
NORTHERLY ISL 63 220/ 14 N/A
CALUMET HARBOR 63 200/ 10/ 16 1004.3
BURNS HARBOR 62 210/ 8/ 12 1005.4R
MICHIGAN CITY 62 200/ 18/ 20 1003.6R
ST. JOSEPH BUOY 54 210/ 10/ 16 1005.8R 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-180800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 48 42 80 NW14 29.82R TC 9
GALESBURG* CLOUDY 47 46 99 NW15 29.77S TC 8
MACOMB* CLOUDY 48 43 82 NW20 29.80F TC 9
JACKSONVILLE* CLOUDY 50 50 98 N7 29.74F TC 10
PITTSFIELD* CLOUDY 49 49 99 NW13G23 29.79F TC 10
ILZ028>032-037-038-041>044-048-051>054-059>061-180800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 59 58 97 MISG 29.68R TC 15
BLOOMINGTON LGT RAIN 59 59 100 S14 29.69F TC 15
DECATUR LGT RAIN 60 59 96 S9 29.74R TC 16
PEORIA CLOUDY 49 47 93 NW10G21 29.74R TC 9
LACON* CLOUDY 50 46 88 NW12G22 29.72R TC 10
LINCOLN* RAIN 61 61 100 SW6 29.73S TC 16
SPRINGFIELD LGT RAIN 59 56 89 NW22G29 29.78R TC 15
TAYLORVILLE CLOUDY 61 59 94 SW9 29.78R TC 16
ILZ033-039-045-046-055>057-062-063-180800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN RAIN 60 59 96 S5 29.73F FOG TC 16
DANVILLE* CLOUDY 61 60 96 W12 29.76R TC 16
RANTOUL* HVY RAIN 59 58 97 S3 29.72S TC 15
MATTOON RAIN 60 59 96 NW3 29.76F FOG TC 16
PARIS* RAIN 60 59 98 MISG 29.76R TC 15
ILZ079-100>102-180800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE RAIN 63 62 97 W3 29.79F FOG TC 17
CAHOKIA* RAIN 63 61 93 CALM 29.80F FOG TC 17
SPARTA* LGT RAIN 62 62 100 W10 29.86R TC 17
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-180800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 66 58 75 NW15G23 29.82R TC 19
CAIRO* CLOUDY 73 63 71 S6 29.80S TC 23
EFFINGHAM* RAIN 61 61 100 W7 29.81R TC 16
MARION LGT RAIN 66 60 80 NW5 29.82R TC 19
MT. VERNON LGT RAIN 66 61 84 W8G18 29.81R TC 19
CENTRALIA* LGT RAIN 64 61 89 W14G26 29.82R TC 18
SALEM* CLOUDY 65 61 85 W12G20 29.81R TC 19
METROPOLIS* CLOUDY 74 62 66 MISG 29.80S TC 23
ILZ067-068-072-073-078-083-087-091-180800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 74 61 63 S16G25 29.73F TC 23
FLORA* CLOUDY 68 63 83 NW22G29 29.77R TC 20
FAIRFIELD* LGT RAIN 70 59 69 W14G21 29.77R TC 21
HARRISBURG* CLOUDY 75 61 62 SW12 29.77S TC 24
ROBINSON* CLOUDY 75 63 64 S15 29.71S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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