460
ASUS43 KLOT 011806
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-011900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 52 31 44 VRB5 30.05S TC 11
6HR MIN TEMP: 40; 6HR MAX TEMP: 52;
STERLING* MOSUNNY 51 30 44 NW10 30.05S TC 11
SAVANNA* CLOUDY 51 28 42 W5 30.05S TC 10
ILZ003-004-008-010-011-017-018-011900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 50 29 44 W10 30.04S TC 10
6HR MIN TEMP: 41; 6HR MAX TEMP: 50;
FREEPORT* CLOUDY 49 32 51 N6 30.05R TC 10
ROCHELLE* CLOUDY 48 26 41 NW7 30.04S TC 9
DE KALB* CLOUDY 48 31 52 N6 30.04S TC 9
PERU* CLOUDY 52 28 40 NW7 30.04S TC 11
ILZ005-006-012>014-019>023-011900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 47 34 60 NE12G21 30.01S TC 8
6HR MIN TEMP: 41; 6HR MAX TEMP: 50;
CHICAGO-MIDWAY LGT RAIN 45 36 70 E12 30.03R TC 7
6HR MIN TEMP: 41; 6HR MAX TEMP: 50; 6HR PCP: TRACE;
AURORA CLOUDY 49 32 52 N12 30.03R TC 9
6HR MIN TEMP: 40; 6HR MAX TEMP: 51;
JOLIET* CLOUDY 51 31 46 N8 30.03S TC 11
WAUKEGAN CLOUDY 42 35 76 NE12 30.03R TC 6
6HR MIN TEMP: 38; 6HR MAX TEMP: 46;
DUPAGE AIRPORT CLOUDY 49 29 46 N12 30.02R TC 9
6HR MIN TEMP: 40; 6HR MAX TEMP: 50;
KANKAKEE* CLOUDY 50 31 48 N9 30.04S TC 10
WHEELING CLOUDY 44 33 65 E8 30.05R TC 7
6HR MIN TEMP: 39; 6HR MAX TEMP: 49;
MORRIS* CLOUDY 52 30 43 N5 30.02F TC 11
LANSING* CLOUDY 45 36 70 NE8 30.04R TC 7
NORTHERLY ISL* N/A 44 35 70 N10 N/A TC 7
LMZ740>746-011900-
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 1015.2F 2/ 4
WAUKEGAN HARBOR 40 48 360/ 12/ 17 1017.0R 2/ 3
HARRISON CRIB 41 30/ 15/ 16 N/A
NORTHERLY ISL 44 30/ 10/ 11 N/A
CALUMET HARBOR 44 20/ 8/ 13 1016.7
BURNS HARBOR 42 10/ 6/ 8 1017.9R
MICHIGAN CITY 42 340/ 12/ 13 1017.0S
ST. JOSEPH BUOY 41 340/ 12/ 14 1017.5S 2/ 4
ILZ025>027-034>036-040-047-049-050-058-095>099-011900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
GALESBURG* PTSUNNY 54 32 43 NW6 30.05F TC 12
MACOMB* MOSUNNY 57 32 39 CALM 30.06F TC 14
JACKSONVILLE* PTSUNNY 57 35 44 N9 30.06S TC 14
PITTSFIELD* SUNNY 59 33 37 NW9 30.07F TC 15
ILZ028>032-037-038-041>044-048-051>054-059>061-011900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 52 33 48 MISG 30.04S TC 11
BLOOMINGTON PTSUNNY 52 35 52 CALM 30.05S TC 11
DECATUR CLOUDY 53 35 50 N8 30.05S TC 12
PEORIA PTSUNNY 53 31 42 VRB5 30.04F TC 12
6HR MIN TEMP: 40; 6HR MAX TEMP: 54;
LACON* CLOUDY 52 28 39 N3 30.04S TC 11
LINCOLN* PTSUNNY 56 36 46 N6 30.05F TC 14
SPRINGFIELD PTSUNNY 56 33 42 NW12 30.05F TC 13
6HR MIN TEMP: 42; 6HR MAX TEMP: 56;
TAYLORVILLE PTSUNNY 55 36 47 NW7G17 30.06S TC 13
ILZ033-039-045-046-055>057-062-063-011900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 53 36 52 NW9 30.04F TC 12
DANVILLE* CLOUDY 52 36 53 NW10 30.04S TC 11
RANTOUL* CLOUDY 51 34 52 NW8 30.04S TC 11
MATTOON PTSUNNY 53 37 54 N10G21 30.03F TC 12
PARIS* PTSUNNY 54 37 52 NW12G17 30.04S TC 12
ILZ079-100>102-011900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON MOSUNNY 59 34 38 N9G17 30.08F TC 15
BELLEVILLE SUNNY 61 38 42 N12G18 30.06F TC 16
CAHOKIA* MOSUNNY 59 32 36 NE9 30.07F TC 15
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-011900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 61 35 37 N14G21 30.08S TC 16
6HR MIN TEMP: 50; 6HR MAX TEMP: 61;
CAIRO* SUNNY 63 32 31 N14G20 30.06F TC 17
EFFINGHAM* PTSUNNY 56 38 52 W10G17 30.07F TC 13
MARION SUNNY 61 34 36 N14G23 30.08S TC 16
MT. VERNON MOSUNNY 58 34 40 N8 30.08R TC 14
CENTRALIA* MOSUNNY 59 36 42 NW13G20 30.08S TC 15
SALEM* PTSUNNY 58 40 51 NW8G14 30.07S TC 14
METROPOLIS* SUNNY 62 35 36 N8 30.05F TC 17
ILZ067-068-072-073-078-083-087-091-011900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 57 35 43 N14G22 30.04R TC 14
FLORA* PTSUNNY 57 36 44 N13 30.06S TC 14
FAIRFIELD* MOSUNNY 58 35 41 N9 30.06S TC 15
HARRISBURG* SUNNY 61 36 39 N12G22 30.07S TC 16
ROBINSON* MOSUNNY 55 37 50 NW14G21 30.04S TC 13
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