632
ASUS43 KLOT 181606
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT WED MAR 18 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.
ILZ001-002-007-009-015-016-024-181700-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 35 23 61 S10 29.96S WCI 27 TC 2
STERLING* CLOUDY 34 23 64 VRB6 30.00S WCI 29 TC 1
SAVANNA* MOSUNNY 32 23 69 S10 29.98S WCI 24 TC 0
ILZ003-004-008-010-011-017-018-181700-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 30 23 75 S12 30.01S WCI 20 TC -1
FREEPORT* CLOUDY 31 25 77 S10 29.99F WCI 22 TC 0
ROCHELLE* PTSUNNY 32 24 71 S12 30.00S WCI 23 TC 0
DE KALB* MOSUNNY 29 25 83 S16 30.01S WCI 18 TC -1
PERU* SUNNY N/A N/A N/A S13 30.00F
ILZ005-006-012>014-019>023-181700-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 30 21 69 S14G24 30.02S WCI 19 TC -1
CHICAGO-MIDWAY CLOUDY 30 22 72 S14G28 30.04S WCI 19 TC -1
AURORA CLOUDY 32 24 72 S13 30.01S WCI 22 TC 0
JOLIET* CLOUDY 33 25 72 S12 30.05S WCI 25 TC 1
WAUKEGAN CLOUDY 29 22 75 SW15 30.01S WCI 18 TC -2
DUPAGE AIRPORT PTSUNNY 30 23 75 S16 30.00F WCI 19 TC -1
KANKAKEE* CLOUDY 32 25 73 S14G20 30.06F WCI 22 TC 0
WHEELING CLOUDY 30 22 72 SW14 30.03F WCI 19 TC -1
MORRIS* CLOUDY 32 25 74 S15 30.03S WCI 22 TC 0
ROMEOVILLE* CLOUDY 30 25 80 S15 30.04S WCI 19 TC -1
LANSING* CLOUDY 30 23 74 S14 30.06S WCI 19 TC -1
NORTHERLY ISL* N/A 29 21 72 S17 N/A WCI 17 TC -2
LMZ740>746-181700-
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 30 190/ 22/ 24 N/A
NORTHERLY ISL 28 190/ 11/ 20 N/A
CALUMET HARBOR 29 180/ 12/ 23 1016.9
BURNS HARBOR 29 180/ 8/ 12 1018.3F
MICHIGAN CITY 28 170/ 18/ 24 1018.6F
ILZ025>027-034>036-040-047-049-050-058-095>099-181700-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 44 28 53 SW9 29.98R TC 7
GALESBURG* SUNNY 37 31 79 S9 29.99S WCI 31 TC 3
MACOMB* SUNNY 40 28 62 SW9 30.01R TC 5
JACKSONVILLE* SUNNY 45 28 49 SW13 30.00R TC 7
PITTSFIELD* SUNNY 47 28 47 SW8 30.00S TC 9
ILZ028>032-037-038-041>044-048-051>054-059>061-181700-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 38 26 61 S18 30.02F WCI 28 TC 3
BLOOMINGTON SUNNY 39 28 64 S17 30.01F WCI 30 TC 4
DECATUR MOSUNNY 41 28 60 S20G28 30.03S TC 5
PEORIA SUNNY 38 26 62 S12 30.00S WCI 30 TC 3
LACON* SUNNY 37 23 57 SW8 30.00R WCI 31 TC 3
LINCOLN* SUNNY 42 26 53 S13G18 30.02S TC 6
SPRINGFIELD SUNNY 44 29 55 S14G24 30.01S TC 7
TAYLORVILLE SUNNY 43 30 61 S17 30.03R TC 6
ILZ033-039-045-046-055>057-062-063-181700-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 38 27 64 S17 30.05F WCI 28 TC 3
DANVILLE* PTSUNNY 35 25 67 S18 30.08F WCI 25 TC 2
RANTOUL* MOSUNNY 37 25 63 S17G23 30.06S WCI 27 TC 3
MATTOON PTSUNNY 39 27 62 S15G29 30.05R WCI 31 TC 4
PARIS* PTSUNNY 36 23 60 S16 30.09S WCI 26 TC 2
ILZ079-100>102-181700-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 48 30 49 S12 30.03S TC 9
BELLEVILLE SUNNY 50 32 49 SW13 30.04S TC 10
CAHOKIA* SUNNY 51 29 42 S9 30.03S TC 11
SPARTA* MOSUNNY 47 31 53 S16 30.08S TC 8
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-181700-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 48 29 47 S20G28 30.10S TC 9
CAIRO* CLOUDY 48 32 55 S8 30.15S TC 9
EFFINGHAM* PTSUNNY 43 27 53 S10G18 30.09S TC 6
MARION PTSUNNY 46 27 46 S16G25 30.11F TC 8
MT. VERNON N/A 46 29 51 S18G25 30.09F TC 8
CENTRALIA* MOSUNNY 47 30 50 S15G22 30.07R TC 9
SALEM* MOSUNNY 46 29 51 S14G24 30.07R TC 8
ILZ067-068-072-073-078-083-087-091-181700-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 40 29 64 S16 30.13S TC 4
FLORA* MOSUNNY 45 30 57 S16 30.09S TC 7
FAIRFIELD* CLOUDY 42 29 59 S14 30.10F TC 6
HARRISBURG* CLOUDY 45 26 46 S14G21 30.13F TC 7
ROBINSON* CLOUDY 39 28 65 S14G21 30.11S WCI 31 TC 4
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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