870
ASUS43 KLOT 301110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT MON MAR 30 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.
ILZ001-002-007-009-015-016-024-301200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 55 43 63 S3 29.87F TC 13
STERLING* CLEAR 54 43 66 CALM 29.91F TC 12
SAVANNA* CLOUDY 42 36 79 CALM 29.89F TC 6
ILZ003-004-008-010-011-017-018-301200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOCLDY 45 36 70 SE6 29.93F TC 7
FREEPORT* PTCLDY 48 37 67 S6 29.92S TC 9
ROCHELLE* CLOUDY 49 39 66 S6 29.93S TC 10
DE KALB* MOCLDY 45 38 77 S10 29.94S TC 7
ILZ005-006-012>014-019>023-301200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 53 38 56 SW9 29.94S TC 12
CHICAGO-MIDWAY PTCLDY 52 38 58 S9 29.96S TC 11
AURORA CLOUDY 42 37 82 SE3 29.94F TC 6
JOLIET* CLOUDY 52 41 66 S3 29.96F TC 11
WAUKEGAN PTCLDY 44 34 67 SW5 29.92S TC 7
DUPAGE AIRPORT CLEAR 45 38 76 S6 29.94S TC 7
KANKAKEE* CLOUDY 53 38 56 S10 29.99S TC 12
WHEELING MOCLDY 45 36 70 S5 29.95S TC 7
MORRIS* CLOUDY 48 39 72 CALM 29.95S TC 9
ROMEOVILLE* MOCLDY 46 41 81 SE9 29.96F TC 8
LANSING* CLEAR 49 37 65 S8 29.98S TC 9
NORTHERLY ISL* N/A 54 36 50 S6 N/A TC 12
LMZ740>746-301200-
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 40 37 140/ 6/ 8 1012.5 0
WAUKEGAN HARBOR 42 38 110/ 8/ 8 1015.8 0
HARRISON CRIB 55 190/ 18/ 19 N/A
NORTHERLY ISL 54 190/ 3/ 8 N/A
CALUMET HARBOR 53 180/ 5/ 8 1014.3
BURNS HARBOR 54 190/ 7/ 10 1015.6R
MICHIGAN CITY 58 190/ 11/ 15 1014.3S
ST. JOSEPH BUOY 47 170/ 6/ 8 1015.7F 1
ILZ025>027-034>036-040-047-049-050-058-095>099-301200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOCLDY 63 48 58 S17 29.92F TC 17
GALESBURG* CLEAR 50 46 87 SE7 N/A TC 10
MACOMB* CLOUDY 55 46 71 S9 29.94S TC 13
JACKSONVILLE* MOCLDY 57 45 62 S9 29.96F TC 14
PITTSFIELD* CLOUDY 64 48 56 SW13 29.96S TC 18
ILZ028>032-037-038-041>044-048-051>054-059>061-301200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 58 42 55 MISG 29.96F TC 14
BLOOMINGTON CLOUDY 57 45 64 S14 29.99S TC 14
DECATUR MOCLDY 58 42 55 S16 30.01S TC 14
PEORIA CLOUDY 56 45 66 S9 29.95S TC 13
LACON* CLOUDY 59 43 55 SW10 29.93F TC 15
LINCOLN* CLOUDY 58 42 54 S7 29.98S TC 15
SPRINGFIELD CLOUDY 61 45 55 S15 29.97F TC 16
TAYLORVILLE MOCLDY 57 45 62 S15 30.01F TC 14
ILZ033-039-045-046-055>057-062-063-301200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 55 41 59 S14 30.01F TC 13
DANVILLE* CLOUDY 58 42 55 S15G22 30.04S TC 14
RANTOUL* CLOUDY 57 40 52 S8 30.01S TC 14
MATTOON CLOUDY 59 43 55 S15G22 30.04S TC 15
PARIS* CLOUDY 57 46 65 S16 30.05S TC 14
ILZ079-100>102-301200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 61 45 55 S10 30.02S TC 16
CAHOKIA* MOCLDY 61 45 55 S8 30.02S TC 16
SPARTA* CLEAR 60 47 61 S13G21 30.08S TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-301200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 64 54 69 S18G29 30.10S TC 18
CAIRO* CLEAR 62 55 75 S9 30.16R TC 17
EFFINGHAM* CLOUDY 60 47 62 S8 30.08S TC 15
MARION CLEAR 62 51 69 S14G21 30.13R TC 16
MT. VERNON CLOUDY 61 53 75 S9 30.10R TC 16
CENTRALIA* CLOUDY 63 51 65 S15G23 30.07S TC 17
SALEM* CLOUDY 63 49 61 S15 30.06S TC 17
METROPOLIS* CLEAR 62 52 68 S5 30.17R TC 17
ILZ067-068-072-073-078-083-087-091-301200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 59 49 69 S10 30.10S TC 15
FLORA* CLOUDY 61 52 72 S15 30.09R TC 16
FAIRFIELD* CLOUDY 59 51 75 S6 30.10S TC 15
HARRISBURG* CLEAR 63 51 65 SW14G20 30.13S TC 17
ROBINSON* CLOUDY 59 50 72 S12 30.08S TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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