877
ASUS43 KLOT 122001
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT SUN APR 12 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.
ILZ001-002-007-009-015-016-024-122100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 76 58 53 SW21G37 29.80F TC 24
STERLING* CLOUDY 78 60 53 MISG N/A TC 26
SAVANNA* CLOUDY 74 58 55 SW20G32 29.79F TC 24
ILZ003-004-008-010-011-017-018-122100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD LGT RAIN 75 59 57 S22G36 29.82F TC 24
FREEPORT* CLOUDY 73 62 68 SW18G26 29.82F TC 23
DE KALB* CLOUDY 76 58 53 S29G36 29.86F TC 25
ILZ005-006-012>014-019>023-122100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 79 55 43 SW24G39 29.84F TC 26
CHICAGO-MIDWAY PTSUNNY 80 55 42 SW22G41 29.86F HX 80 TC 27
AURORA CLOUDY 78 56 46 SW20G38 29.85F TC 26
JOLIET* PTSUNNY 81 56 42 SW17G29 29.89F HX 81 TC 27
WAUKEGAN CLOUDY 78 57 48 SW26G38 29.82F TC 26
DUPAGE AIRPORT PTSUNNY 78 57 48 SW15G33 29.85F TC 26
KANKAKEE* PTSUNNY 79 53 40 SW23G32 29.94F TC 26
WHEELING CLOUDY 79 56 45 SW18G38 29.85F HX 80 TC 26
MORRIS* PTSUNNY 80 55 41 SW31G38 29.87F HX 80 TC 27
ROMEOVILLE* PTSUNNY 81 57 44 SW28G38 29.88F HX 81 TC 27
LANSING* PTSUNNY 79 54 41 SW29G38 29.90F TC 26
NORTHERLY ISL* N/A 79 50 36 SW16 N/A TC 26
LMZ740>746-122100-
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 67 40 360/ 14/ 19 1022.6F 2/ 4
HARRISON CRIB 76 210/ 24/ 32 N/A
NORTHERLY ISL 79 200/ 14/ 25 N/A
CALUMET HARBOR 79 200/ 21/ 27 1011.8
BURNS HARBOR 77 220/ 13/ 20 1013.2F
MICHIGAN CITY 77 200/ 24/ 30 1011.1F
ST. JOSEPH BUOY 56 220/ 12/ 16 1013.6F 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-122100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 74 56 53 S22G30 29.87F TC 23
MACOMB* CLOUDY 80 56 43 S22G29 29.88F HX 80 TC 27
PITTSFIELD* CLOUDY 76 55 48 S17G26 29.91F TC 24
ILZ028>032-037-038-041>044-048-051>054-059>061-122100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 79 50 35 MISG 29.91F TC 26
BLOOMINGTON CLOUDY 78 55 44 SW23G32 29.93F TC 26
DECATUR PTSUNNY 77 54 44 S28G39 29.97S TC 25
PEORIA CLOUDY 77 55 46 SW26G39 29.89F TC 25
LINCOLN* PTSUNNY 80 48 32 S18G33 29.92F TC 27
SPRINGFIELD CLOUDY 80 52 37 S26G40 29.92F HX 80 TC 27
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-122100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 80 53 39 S28G40 29.98F HX 80 TC 27
DANVILLE* CLOUDY 79 55 43 S18G28 29.99F TC 26
MATTOON CLOUDY 77 53 43 S22G39 30.00F TC 25
PARIS* PTSUNNY 78 52 40 MISG 30.02F TC 26
ILZ079-100>102-122100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 77 52 41 S22G33 29.97F TC 25
CAHOKIA* CLOUDY 77 52 41 S12G24 29.97F TC 25
SPARTA* CLOUDY 75 53 45 SW17G24 30.03F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-122100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 77 54 44 SW23G32 30.05F TC 25
CAIRO* CLOUDY 82 55 39 S15G28 30.09F HX 81 TC 28
EFFINGHAM* CLOUDY 77 51 39 S21G32 30.05S TC 25
MARION CLOUDY 77 55 47 S26G37 30.06F TC 25
MT. VERNON CLOUDY 80 55 42 S20G28 30.05F HX 80 TC 27
CENTRALIA* CLOUDY 78 54 42 S18G28 30.03F TC 26
SALEM* N/A N/A N/A N/A S22 30.03F
ILZ067-068-072-073-078-083-087-091-122100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 80 52 37 SW23G30 30.05F HX 80 TC 27
FLORA* CLOUDY 77 54 44 SW22G31 30.05F TC 25
FAIRFIELD* CLOUDY 80 50 34 S22G30 30.06F TC 27
HARRISBURG* CLOUDY 79 49 34 SW16G24 30.08F TC 26
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