637
ASUS43 KLOT 220510
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT SUN MAR 22 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.
ILZ001-002-007-009-015-016-024-220600-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 72 44 36 S17 29.58F TC 22
STERLING* PTCLDY 66 47 50 VRB6 29.60F TC 19
SAVANNA* CLEAR 55 46 71 S8 29.57F TC 13
ILZ003-004-008-010-011-017-018-220600-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTCLDY 65 46 50 S15 29.59F TC 18
FREEPORT* CLEAR 65 45 47 SW20 29.58F TC 19
ROCHELLE* CLEAR 61 45 56 S14 29.61F TC 16
DE KALB* PTCLDY 64 47 55 SW16 29.62F TC 18
PERU* PTCLDY 66 47 50 S13 29.63F TC 19
ILZ005-006-012>014-019>023-220600-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 70 45 40 SW15G25 29.60F TC 21
CHICAGO-MIDWAY MOCLDY 69 46 43 SW14G23 29.62F TC 21
AURORA PTCLDY 66 46 48 SW16 29.61F TC 19
JOLIET* PTCLDY 69 48 47 SW8 29.64S TC 21
WAUKEGAN PTCLDY 60 45 57 SW8 29.58F TC 16
DUPAGE AIRPORT PTCLDY 67 46 47 SW14 29.61F TC 19
KANKAKEE* PTCLDY 68 47 46 SW16G24 29.67F TC 20
WHEELING PTCLDY 70 44 39 SW13 29.61F TC 21
MORRIS* PTCLDY 68 48 49 SW17 29.63S TC 20
ROMEOVILLE* PTCLDY 68 48 49 S14 29.64F TC 20
LANSING* PTCLDY 64 47 54 SW14 29.65F TC 18
NORTHERLY ISL* N/A 71 43 36 S10 N/A TC 22
LMZ740>746-220600-
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)
HARRISON CRIB 73 220/ 27/ 30 N/A
NORTHERLY ISL 72 170/ 9/ 13 N/A
CALUMET HARBOR 71 200/ 12/ 18 1003.0F
BURNS HARBOR 67 210/ 10/ 12 1004.1F
MICHIGAN CITY 71 200/ 20/ 24 1001.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-220600-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 72 45 37 S9 29.67F TC 22
GALESBURG* PTCLDY 68 52 57 S9 29.65F TC 20
MACOMB* CLEAR 69 48 47 S13 29.68F TC 21
JACKSONVILLE* CLEAR 68 50 51 S9 29.70F TC 20
PITTSFIELD* CLEAR 71 51 49 S7 29.71F TC 22
ILZ028>032-037-038-041>044-048-051>054-059>061-220600-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTCLDY 68 46 45 MISG 29.68F TC 20
BLOOMINGTON CLEAR 68 51 54 SW18 29.71F TC 20
DECATUR CLEAR 69 50 50 S15 29.74F TC 21
PEORIA PTCLDY 66 50 56 S12 29.68F TC 19
LACON* PTCLDY 68 46 45 SW9 29.65S TC 20
LINCOLN* CLEAR 66 48 51 S5 29.71F TC 19
SPRINGFIELD CLEAR 68 51 54 S13 29.71F TC 20
TAYLORVILLE CLEAR 64 52 63 S10 29.74F TC 18
ILZ033-039-045-046-055>057-062-063-220600-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLEAR 60 50 69 S14 29.74F TC 16
DANVILLE* CLEAR 65 50 59 SW13 29.74F TC 18
RANTOUL* CLEAR 63 49 61 S8 29.73S TC 17
MATTOON CLEAR 69 53 56 S12 29.75F TC 21
PARIS* CLEAR 59 50 72 CALM 29.76F TC 15
ILZ079-100>102-220600-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLEAR 69 57 63 S9 29.74F TC 21
BELLEVILLE CLEAR 67 59 74 SW8 29.74F TC 20
CAHOKIA* CLEAR 67 57 70 SE5 29.74F TC 19
SPARTA* CLEAR 72 58 61 S8 29.79S TC 22
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-220600-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 69 58 67 S9 29.80S TC 21
CAIRO* CLEAR 71 60 67 S8 29.84S TC 22
EFFINGHAM* CLEAR 68 56 65 SE6 29.79F TC 20
MARION CLEAR 66 57 71 S8 29.82S TC 19
MT. VERNON N/A 66 57 72 S5 29.79F TC 19
CENTRALIA* CLEAR 70 57 63 S10 29.77F TC 21
SALEM* CLEAR 72 57 58 S9 29.77F TC 22
METROPOLIS* CLEAR 72 57 59 CALM 29.84S TC 22
ILZ067-068-072-073-078-083-087-091-220600-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLEAR 60 53 77 S7 29.80S TC 16
FLORA* CLEAR 61 55 82 S8 29.79F TC 16
FAIRFIELD* CLEAR 67 56 68 S6 29.79F TC 19
HARRISBURG* CLEAR 68 56 65 SW5 29.82S TC 20
ROBINSON* CLEAR 61 54 77 S8 29.78F TC 16
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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