305
ASUS43 KLOT 201003
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT FRI MAR 20 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.
ILZ001-002-007-009-015-016-024-201100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTCLDY 41 40 96 CALM 29.83F TC 5
STERLING* MOCLDY 41 41 100 CALM 29.84F TC 5
SAVANNA* FOG 39 38 97 CALM 29.83F VSB 1/4 TC 4
ILZ003-004-008-010-011-017-018-201100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 41 37 86 S5 29.83F TC 5
FREEPORT* MOCLDY 51 44 77 SW13 29.82F TC 11
ROCHELLE* MOCLDY 42 38 87 SW3 29.83F TC 5
DE KALB* MOCLDY 43 39 85 S7 29.83F TC 6
ILZ005-006-012>014-019>023-201100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 49 40 71 SW10 29.80F TC 9
CHICAGO-MIDWAY PTCLDY 50 42 74 SW8 29.82F TC 10
AURORA MOCLDY 36 34 92 CALM 29.83S FOG TC 2
JOLIET* MOCLDY 44 41 88 CALM 29.84F TC 7
WAUKEGAN MOCLDY 43 37 79 SW8 29.78F TC 6
DUPAGE AIRPORT MOCLDY 47 40 76 SW8 29.82F TC 8
WHEELING MOCLDY 43 39 86 S5 29.82F TC 6
MORRIS* MOCLDY 40 36 85 SW3 29.83F TC 5
ROMEOVILLE* MOCLDY 46 43 87 S6 29.84F TC 8
LANSING* PTCLDY 48 40 76 SW7 29.85F TC 9
NORTHERLY ISL* N/A 51 41 68 SW6 N/A TC 11
LMZ740>746-201100-
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 56 210/ 24/ 26 N/A
NORTHERLY ISL 51 190/ 6/ 8 N/A
CALUMET HARBOR 53 200/ 8/ 11 1009.9F
BURNS HARBOR 53 190/ 9/ 11 1010.8F
MICHIGAN CITY 57 190/ 15/ 17 1009.2F
ILZ025>027-034>036-040-047-049-050-058-095>099-201100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 49 42 77 S8 29.89S TC 9
GALESBURG* MOCLDY 44 44 100 CALM 29.87F TC 7
MACOMB* MOCLDY 46 44 91 SW7 29.89F TC 8
JACKSONVILLE* PTCLDY 47 40 76 SW6 29.89S TC 9
PITTSFIELD* PTCLDY 49 42 76 CALM 29.91R TC 9
ILZ028>032-037-038-041>044-048-051>054-059>061-201100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOCLDY 48 41 75 MISG 29.86F TC 9
BLOOMINGTON MOCLDY 49 43 80 SW9 29.89S TC 9
DECATUR PTCLDY 51 43 74 SW10 29.89F TC 11
PEORIA MOCLDY 49 43 80 SW3 29.87F TC 9
LACON* MOCLDY 46 41 84 CALM 29.85S TC 8
LINCOLN* MOCLDY 46 39 76 CALM 29.89S TC 8
SPRINGFIELD PTCLDY 50 43 77 SW3 29.89F TC 10
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 47 41 80 SW9 29.89S TC 8
DANVILLE* PTCLDY 53 42 65 SW14 29.89F TC 12
RANTOUL* PTCLDY 43 39 85 CALM 29.89S TC 6
MATTOON PTCLDY 54 42 64 S10 29.89F TC 12
PARIS* PTCLDY 52 41 67 S8 29.91F TC 11
ILZ079-100>102-201100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
BELLEVILLE CLEAR 48 45 87 SW5 29.90F TC 9
CAHOKIA* CLEAR 47 43 86 SW3 29.90F TC 8
SPARTA* CLEAR 57 47 69 S8 29.94F TC 14
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLEAR 60 49 66 SW13 29.95F TC 16
CAIRO* CLEAR 59 50 72 S6 30.00F TC 15
EFFINGHAM* PTCLDY 55 44 66 S5 29.93F TC 13
MARION CLEAR 56 46 70 S9 29.97F TC 13
MT. VERNON N/A 51 45 79 SW7 29.94F TC 11
CENTRALIA* CLEAR 53 46 74 S6 29.93F TC 12
SALEM* CLEAR 57 46 65 S8 29.93S TC 14
METROPOLIS* CLEAR 58 46 66 CALM 30.00F TC 14
ILZ067-068-072-073-078-083-087-091-201100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTCLDY 50 42 74 S8 29.94F TC 10
FLORA* CLEAR 52 45 76 S8 29.94F TC 11
FAIRFIELD* CLEAR 53 43 68 S6 29.95S TC 12
HARRISBURG* CLEAR 59 46 61 SW9 29.97F TC 15
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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