538
ASUS43 KLOT 201601
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 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.
ILZ001-002-007-009-015-016-024-201700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 66 44 45 W13 29.84R TC 19
STERLING* MOSUNNY 65 46 50 W15 29.82S TC 18
SAVANNA* MOSUNNY 62 44 51 NW9 29.83R TC 17
ILZ003-004-008-010-011-017-018-201700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 63 46 54 NW9 29.83R TC 17
FREEPORT* MOSUNNY 63 45 51 NW9 29.83R TC 17
DE KALB* MOSUNNY 62 46 56 NW16G24 29.81R TC 17
PERU* MOSUNNY 68 47 46 W13G24 29.82S TC 20
ILZ005-006-012>014-019>023-201700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 62 44 51 W10 29.77R TC 17
CHICAGO-MIDWAY PTSUNNY 63 44 50 W14 29.79R TC 17
AURORA PTSUNNY 64 49 57 W18 29.80R TC 18
JOLIET* PTSUNNY 68 47 46 W10G16 29.81S TC 20
WAUKEGAN PTSUNNY 60 44 55 W13G18 29.76R TC 16
DUPAGE AIRPORT PTSUNNY 63 45 51 W15G22 29.79R TC 17
WHEELING PTSUNNY 63 43 48 NW15G23 29.79R TC 17
MORRIS* PTSUNNY 68 46 44 W20G26 29.80R TC 20
ROMEOVILLE* SUNNY 64 48 55 W13G23 29.80F TC 18
LANSING* PTSUNNY 64 45 49 W15G21 29.80S TC 18
NORTHERLY ISL* N/A 61 41 47 SW14 N/A TC 16
LMZ740>746-201700-
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 60 260/ 21/ 24 N/A
NORTHERLY ISL 61 260/ 10/ 12 N/A
CALUMET HARBOR 65 240/ 7/ 18 1008.2R
BURNS HARBOR 58 260/ 10/ 13 1009.1S
MICHIGAN CITY 57 240/ 22/ 24 1007.3R
ILZ025>027-034>036-040-047-049-050-058-095>099-201700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 71 46 40 W12 29.90S TC 22
MACOMB* MOSUNNY 70 48 45 W18G25 29.89R TC 21
PITTSFIELD* MOSUNNY 73 45 35 W14G20 29.92S TC 23
ILZ028>032-037-038-041>044-048-051>054-059>061-201700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 72 44 36 MISG 29.83F TC 22
BLOOMINGTON PTSUNNY 69 47 45 SW17G23 29.87S TC 21
DECATUR MOSUNNY 70 47 43 SW15 29.90R TC 21
PEORIA PTSUNNY 72 45 37 W15G21 29.85F TC 22
LACON* PTSUNNY 67 43 41 W13 29.83S TC 20
LINCOLN* MOSUNNY 74 44 33 SW3 29.88F TC 23
SPRINGFIELD MOSUNNY 74 47 38 W14 29.89S TC 23
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 68 48 48 W15 29.89S TC 20
DANVILLE* PTSUNNY 66 47 50 SW10 29.88F TC 19
MATTOON PTSUNNY 67 48 50 SW8 29.91R TC 19
PARIS* PTSUNNY 66 50 57 SW12 29.92R TC 19
ILZ079-100>102-201700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 72 46 40 W12 29.93S TC 22
BELLEVILLE MOSUNNY 74 53 47 W12 29.92F TC 23
CAHOKIA* MOSUNNY 73 49 42 W5 29.93F TC 23
SPARTA* MOSUNNY 69 52 54 S6 29.97R TC 21
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 71 52 50 S7 29.96F TC 22
CAIRO* SUNNY 68 54 60 SW12 30.01S TC 20
EFFINGHAM* PTSUNNY 67 52 57 S8 29.94S TC 20
MARION MOSUNNY 70 52 52 SW7 29.98S TC 21
MT. VERNON N/A 70 51 51 SW6 29.95F TC 21
CENTRALIA* MOSUNNY 70 50 49 SW8 29.95F TC 21
SALEM* MOSUNNY 70 49 46 W9 29.94S TC 21
ILZ067-068-072-073-078-083-087-091-201700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 68 51 54 SW14 29.94F TC 20
FLORA* MOSUNNY 70 52 52 SW7 29.95S TC 21
FAIRFIELD* MOSUNNY 68 50 52 SW8 29.96R TC 20
HARRISBURG* SUNNY 70 50 49 SW8 29.98F TC 21
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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