928
ASUS43 KLOT 042012
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT MON MAY 04 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.
ILZ001-002-007-009-015-016-024-042100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 81 47 30 W13 29.50F HX 80 TC 27
STERLING* MOSUNNY 81 47 30 W18G25 29.50F HX 80 TC 27
SAVANNA* CLOUDY 80 40 24 W15G22 29.49S TC 27
ILZ003-004-008-010-011-017-018-042100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 80 42 25 SW15G35 29.49F TC 27
FREEPORT* PTSUNNY 80 41 25 W18G32 29.51S TC 27
ROCHELLE* PTSUNNY 76 39 25 W18 29.50F TC 25
DE KALB* PTSUNNY 77 43 29 SW17 29.51F TC 25
PERU* MOSUNNY N/A N/A N/A SW15G24 29.52F
ILZ005-006-012>014-019>023-042100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 78 43 28 SW14G30 29.50F TC 26
CHICAGO-MIDWAY PTSUNNY 78 43 28 W16G28 29.51F TC 26
AURORA MOSUNNY 81 47 30 SW20G28 29.50F HX 80 TC 27
JOLIET* PTSUNNY 81 47 30 SW7G20 29.53F HX 80 TC 27
WAUKEGAN MOSUNNY 78 35 21 W21G32 29.48F TC 26
DUPAGE AIRPORT PTSUNNY 78 46 32 SW15 29.50F TC 26
KANKAKEE* SUNNY 78 50 38 SW22G35 29.57F TC 26
WHEELING PTSUNNY 80 38 22 W16G25 29.50F TC 27
MORRIS* MOSUNNY 82 46 28 SW16G25 29.51F HX 81 TC 28
ROMEOVILLE* MOSUNNY 81 46 30 W18 29.53F HX 80 TC 27
LANSING* PTSUNNY 78 47 33 SW17G28 29.54S TC 25
NORTHERLY ISL* N/A 78 38 23 SW10 N/A TC 26
LMZ740>746-042100-
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 46 N/A 1/ 2
WAUKEGAN HARBOR 72 50 240/ 16/ 23 1001.1 1/ 3
HARRISON CRIB 77 250/ 18/ 21 N/A
NORTHERLY ISL 78 190/ 15/ 17 N/A
CALUMET HARBOR 79 220/ 11/ 16 999.4
BURNS HARBOR 72 250/ 11/ 17 1000.3F
MICHIGAN CITY 68 240/ 13/ 15 998.7F
ST. JOSEPH BUOY 59 200/ 4/ 4 1001.2F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-042100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 77 53 43 SW21G28 29.59S TC 25
GALESBURG* SUNNY 79 49 34 SW14G21 29.55F TC 26
MACOMB* SUNNY 81 52 36 SW17G26 29.58S HX 80 TC 27
JACKSONVILLE* MOSUNNY 76 56 48 S16G29 29.62S TC 25
PITTSFIELD* MOSUNNY 78 55 44 SW15G25 29.62S TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-042100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 79 50 36 MISG 29.56F TC 26
BLOOMINGTON SUNNY 76 53 44 SW21G33 29.60F TC 24
DECATUR SUNNY 74 50 42 SW30G47 29.64F TC 23
PEORIA SUNNY 77 53 43 SW18G28 29.56F TC 25
LACON* SUNNY 78 51 38 SW20G26 29.54S TC 26
LINCOLN* SUNNY 78 55 45 SW14G22 29.60F TC 25
SPRINGFIELD SUNNY 77 52 41 S23G39 29.61F TC 25
TAYLORVILLE MOSUNNY 73 55 53 S22G30 29.64F TC 23
ILZ033-039-045-046-055>057-062-063-042100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN LGT RAIN 73 57 57 SW24G37 29.64F TC 23
DANVILLE* PTSUNNY 72 56 58 S17G26 29.65F TC 22
RANTOUL* MOSUNNY 75 53 45 S25G35 29.63F TC 24
MATTOON PTSUNNY 71 54 54 S12G30 29.69S TC 22
PARIS* PTSUNNY 72 58 61 S17 29.69F TC 22
ILZ079-100>102-042100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 73 57 56 S17G23 29.66F TC 23
BELLEVILLE TSTM 64 59 82 S21 29.65 TC 18
CAHOKIA* PTSUNNY 71 59 65 SE13G20 29.67F TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-042100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 81 47 30 SW21G31 29.73F HX 80 TC 27
CAIRO* PTSUNNY 82 46 27 SW21G35 29.77F HX 80 TC 28
EFFINGHAM* PTSUNNY 71 55 56 S14G25 29.72S TC 22
MARION PTSUNNY 81 46 30 SW23G33 29.75S HX 80 TC 27
MT. VERNON CLOUDY 74 48 39 SW16G23 29.75R TC 23
CENTRALIA* CLOUDY 68 58 71 CALM 29.75R TC 20
SALEM* PTSUNNY 68 57 67 CALM 29.75S TC 20
METROPOLIS* SUNNY 81 46 30 S15G29 29.78S HX 80 TC 27
ILZ067-068-072-073-078-083-087-091-042100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 75 50 41 SW14G25 29.76R TC 24
FLORA* CLOUDY 70 55 60 CALM 29.75F TC 21
FAIRFIELD* CLOUDY 74 48 39 S7 29.75S TC 24
HARRISBURG* PTSUNNY 80 46 30 SW22G28 29.76R TC 27
ROBINSON* PTSUNNY 73 52 46 SW21G39 29.72R TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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