880
ASUS43 KLOT 181410
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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.
ILZ001-002-007-009-015-016-024-181500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 39 25 57 NW21G33 29.94R WCI 29 TC 4
STERLING* MOSUNNY 40 30 67 W21G29 29.90R TC 4
SAVANNA* SUNNY 38 26 61 NW15G22 29.91R WCI 29 TC 3
ILZ003-004-008-010-011-017-018-181500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 38 29 70 W21G29 29.87R WCI 28 TC 3
FREEPORT* MOSUNNY 37 29 73 NW20G31 29.89R WCI 27 TC 3
ROCHELLE* PTSUNNY 39 30 71 W17G24 29.87R HAZE WCI 30
DE KALB* PTSUNNY 38 31 77 W16G29 29.85R WCI 29 TC 3
PERU* MOSUNNY 39 30 69 W24G31 29.89R WCI 28 TC 4
ILZ005-006-012>014-019>023-181500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 45 35 68 W16G29 29.80R TC 7
CHICAGO-MIDWAY CLOUDY 46 36 68 W17G26 29.81R TC 8
AURORA PTSUNNY 41 35 79 NW21G28 29.83R TC 5
JOLIET* PTSUNNY 46 35 65 W14G23 29.85R TC 8
WAUKEGAN CLOUDY 44 35 70 W9G29 29.77R TC 7
DUPAGE AIRPORT PTSUNNY 42 34 73 W17G26 29.82R TC 6
KANKAKEE* CLOUDY 46 37 71 W18G28 29.87R TC 8
WHEELING CLOUDY 45 35 68 W14G22 29.81R TC 7
MORRIS* PTSUNNY 44 35 72 NW22G28 29.85R TC 7
ROMEOVILLE* MOSUNNY 45 37 76 W17G30 29.84R TC 7
LANSING* CLOUDY 46 37 70 W12G17 29.82R TC 8
NORTHERLY ISL* N/A 47 36 65 W10 N/A TC 8
LMZ740>746-181500-
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 1000.2 1/ 2
WAUKEGAN HARBOR 45 47 1010.4 1/ 2
HARRISON CRIB 47 300/ 20/ 22 N/A
NORTHERLY ISL 47 280/ 14/ 18 N/A
CALUMET HARBOR 47 260/ 9/ 15 1008.5
BURNS HARBOR 48 280/ 9/ 11 1009.5R
MICHIGAN CITY 46 270/ 14/ 15 1008.5R
ST. JOSEPH BUOY 43 310/ 8/ 12 1009.0R 1/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-181500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
GALESBURG* SUNNY 38 32 78 NW20G29 29.97S WCI 28 TC 4
MACOMB* SUNNY 40 31 68 NW28G35 30.01R TC 5
JACKSONVILLE* MOSUNNY 42 31 66 NW20G26 29.98R TC 5
PITTSFIELD* SUNNY 44 32 63 NW20 30.01R TC 7
ILZ028>032-037-038-041>044-048-051>054-059>061-181500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 42 31 67 MISG 29.89R TC 5
BLOOMINGTON CLOUDY 42 34 73 NW23G29 29.91R TC 6
DECATUR CLOUDY 46 37 71 NW16G24 29.91R TC 8
PEORIA MOSUNNY 39 28 64 W18G29 29.94R WCI 30 TC 4
LACON* MOSUNNY 39 27 62 NW20G29 29.91R WCI 29 TC 4
LINCOLN* CLOUDY 44 32 64 NW16G25 29.94R TC 7
SPRINGFIELD PTSUNNY 43 33 68 NW17G30 29.96R TC 6
TAYLORVILLE CLOUDY 45 37 76 NW14 29.97R TC 7
ILZ033-039-045-046-055>057-062-063-181500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 45 38 76 NW15 29.90R TC 7
DANVILLE* CLOUDY 46 43 86 W13 29.88R TC 8
RANTOUL* CLOUDY 44 35 71 NW16G26 29.90R TC 7
MATTOON CLOUDY 47 42 83 NW14G21 29.90R TC 8
PARIS* DRIZZLE 46 45 97 MISG 29.88R TC 8
ILZ079-100>102-181500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 48 37 66 N13 29.98R TC 9
BELLEVILLE CLOUDY 50 44 79 NW10 29.97R TC 10
CAHOKIA* CLOUDY 50 40 68 N14G24 29.98R TC 10
SPARTA* CLOUDY 47 47 97 W7 30.00R TC 9
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE LGT RAIN 51 49 92 NW16G23 29.89R TC 11
CAIRO* CLOUDY 61 61 99 SE8 29.88F TC 16
EFFINGHAM* RAIN 48 47 95 W13 29.93R TC 9
MARION RAIN 55 55 100 NW14G25 29.91R TC 13
MT. VERNON LGT RAIN 48 46 93 N7 29.89F TC 9
CENTRALIA* LGT RAIN 49 46 90 W14G23 29.97R TC 9
SALEM* DRIZZLE 49 44 81 N10 29.87F TC 10
METROPOLIS* RAIN 61 61 100 MISG 29.91S TC 16
ILZ067-068-072-073-078-083-087-091-181500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE LGT RAIN 61 60 97 W12 29.88R TC 16
FLORA* RAIN 50 48 93 NW15G22 29.92R TC 10
FAIRFIELD* RAIN 53 50 92 NW7G16 29.90R TC 11
HARRISBURG* LGT RAIN 60 60 99 CALM 29.90R TC 16
ROBINSON* LGT RAIN 55 54 94 NW20G30 29.88R TC 13
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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