736
ASUS43 KLOT 020110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT FRI MAY 01 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.
ILZ001-002-007-009-015-016-024-020200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOCLDY 51 31 46 CALM 30.02R TC 11
STERLING* CLEAR 49 31 49 N6 30.04R TC 9
SAVANNA* CLEAR 50 29 45 CALM 30.04R TC 10
ILZ003-004-008-010-011-017-018-020200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 45 34 65 NE3 30.06S TC 7
FREEPORT* PTCLDY 45 37 71 E3 30.05R TC 7
ROCHELLE* CLEAR 45 32 61 NE15 30.05R TC 7
DE KALB* PTCLDY 42 37 80 NE6 30.05R TC 6
PERU* MOCLDY 48 34 57 E5 30.03R TC 9
ILZ005-006-012>014-019>023-020200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE MOCLDY 38 30 73 NE9 30.07R WCI 31 TC 3
CHICAGO-MIDWAY PTCLDY 41 27 57 NE13 30.07R TC 5
AURORA CLEAR 43 36 76 E8 30.04R TC 6
JOLIET* PTCLDY 45 35 68 E7 30.06R TC 7
WAUKEGAN MOCLDY 38 25 59 NE3 30.07S TC 3
DUPAGE AIRPORT PTCLDY 40 32 73 E10 30.05R TC 4
KANKAKEE* MOCLDY 46 35 65 NE9 30.06R TC 8
WHEELING MOCLDY 41 25 53 E3 30.09S TC 5
MORRIS* CLEAR 45 36 70 NE5 30.04R TC 7
ROMEOVILLE* CLEAR 43 34 70 NE12 30.06R TC 6
LANSING* CLEAR 39 28 64 NE9 30.08R WCI 33 TC 4
NORTHERLY ISL* N/A 40 27 60 NE8 N/A TC 4
LMZ740>746-020200-
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 48 1013.3 1/ 4
WAUKEGAN HARBOR 41 48 10/ 4/ 8 1018.4 1/ 4
HARRISON CRIB 41 20/ 11/ 13 N/A
NORTHERLY ISL 41 40/ 8/ 10 N/A
CALUMET HARBOR 42 20/ 6/ 9 1018.0
BURNS HARBOR 42 30/ 7/ 8 1018.6S
MICHIGAN CITY 40 360/ 10/ 12 1018.4R
ST. JOSEPH BUOY 41 340/ 10/ 12 1018.8R 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-020200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 52 39 61 NE14 30.00R TC 11
GALESBURG* MOCLDY 50 35 55 CALM 30.03S TC 10
MACOMB* MOCLDY 51 41 69 NE3 30.05R TC 11
JACKSONVILLE* CLOUDY 52 39 63 NE6 30.02R TC 11
PITTSFIELD* PTCLDY 54 39 57 CALM 30.02R TC 12
ILZ028>032-037-038-041>044-048-051>054-059>061-020200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 47 35 64 MISG 30.03S TC 8
BLOOMINGTON CLOUDY 50 33 52 N5 30.03R TC 10
DECATUR CLOUDY 52 36 54 N7 30.03R TC 11
PEORIA LGT RAIN 51 34 52 NW5 30.03R TC 11
LACON* MOCLDY 50 33 52 CALM 30.02R TC 10
LINCOLN* LGT RAIN 53 36 51 CALM 30.03R TC 12
SPRINGFIELD CLOUDY 53 37 54 NW7 30.03R TC 12
TAYLORVILLE CLOUDY 52 41 66 NW5 30.03R TC 11
ILZ033-039-045-046-055>057-062-063-020200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 49 37 63 NE7 30.03R TC 9
DANVILLE* PTCLDY 46 37 70 NE5 30.04R TC 8
RANTOUL* MOCLDY 49 35 58 NE6 30.03R TC 10
MATTOON PTCLDY 49 40 71 NE6 30.02R TC 9
PARIS* MOCLDY 48 38 68 N3 30.03R TC 9
ILZ079-100>102-020200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOCLDY 57 34 41 VRB3 30.01R TC 14
BELLEVILLE CLEAR 58 37 45 CALM 29.99R TC 14
CAHOKIA* PTCLDY 59 31 34 W5 30.00R TC 15
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-020200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 55 41 59 CALM 30.02R TC 13
CAIRO* PTCLDY 60 36 40 NE5 30.04R TC 15
EFFINGHAM* MOCLDY 52 42 69 CALM 30.04R TC 11
MARION CLEAR 51 39 61 CALM 30.03S TC 11
MT. VERNON CLEAR 51 39 63 CALM 30.03R TC 11
CENTRALIA* CLEAR 54 38 55 CALM 30.03R TC 12
SALEM* CLEAR 54 43 65 CALM 30.02R TC 12
METROPOLIS* PTCLDY 55 38 51 CALM 30.04R TC 13
ILZ067-068-072-073-078-083-087-091-020200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 53 37 54 N6 30.03R TC 12
FLORA* CLEAR 55 36 47 NE3 30.04R TC 13
FAIRFIELD* CLEAR 53 36 53 CALM 30.03R TC 12
HARRISBURG* CLEAR 55 37 52 CALM 30.04R TC 13
ROBINSON* CLEAR 52 39 62 N3 30.03R TC 11
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