923
ASUS43 KLOT 182010
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM 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.
ILZ001-002-007-009-015-016-024-182100-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 45 30 55 SW10 29.97S TC 7
STERLING* SUNNY 41 30 65 W9 29.98F TC 5
SAVANNA* SUNNY 39 26 59 W5 29.98R TC 4
ILZ003-004-008-010-011-017-018-182100-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD SUNNY 38 25 59 SW8 29.99R WCI 32 TC 3
FREEPORT* SUNNY 37 26 66 W6 29.99R WCI 32 TC 3
ROCHELLE* SUNNY 40 29 66 SW7 29.98S TC 4
DE KALB* SUNNY 39 30 69 SW10 29.98S WCI 32 TC 4
PERU* SUNNY 45 30 56 SW8 29.97F TC 7
ILZ005-006-012>014-019>023-182100-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 42 27 55 SW12 29.96F TC 6
CHICAGO-MIDWAY PTSUNNY 43 29 57 SW12G20 29.97F TC 6
AURORA SUNNY 44 30 57 SW8 29.96F TC 7
JOLIET* SUNNY 47 32 56 SW9 29.98F TC 8
WAUKEGAN CLOUDY 38 25 59 SW12 29.96F WCI 30 TC 3
DUPAGE AIRPORT CLOUDY 42 30 62 S7 29.96F TC 6
KANKAKEE* MOSUNNY 48 32 53 SW15 29.99F TC 9
WHEELING CLOUDY 40 26 57 SW9 29.98F TC 4
MORRIS* MOSUNNY 46 32 59 W10 29.97F TC 8
ROMEOVILLE* PTSUNNY 45 32 61 SW9G16 29.98F TC 7
LANSING* PTSUNNY 44 32 62 SW12 29.99F TC 7
NORTHERLY ISL* N/A 42 26 53 SW14 N/A TC 6
LMZ740>746-182100-
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 40 220/ 12/ 14 N/A
NORTHERLY ISL 40 190/ 9/ 15 N/A
CALUMET HARBOR 40 190/ 11/ 15 1015.0
BURNS HARBOR 40 200/ 6/ 12 1016.6F
MICHIGAN CITY 38 180/ 10/ 13 1016.0F
ILZ025>027-034>036-040-047-049-050-058-095>099-182100-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 58 36 43 SW9 29.98F TC 14
GALESBURG* SUNNY 48 39 71 SW8 29.99S TC 9
MACOMB* SUNNY 54 37 53 SW6 30.00S TC 12
JACKSONVILLE* SUNNY 59 33 36 W12 29.98F TC 15
PITTSFIELD* SUNNY 61 35 38 SW6 30.00F TC 16
ILZ028>032-037-038-041>044-048-051>054-059>061-182100-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC SUNNY 49 32 51 E12 29.97F TC 10
BLOOMINGTON SUNNY 52 34 50 SW14 29.97F TC 11
DECATUR SUNNY 54 35 48 W14G25 29.99F TC 12
PEORIA SUNNY 52 32 46 SW10 29.97F TC 11
LACON* SUNNY 48 30 48 W5 29.97F TC 9
LINCOLN* SUNNY 56 32 40 SW6 29.98F TC 13
SPRINGFIELD SUNNY 57 35 43 SW12 29.98F TC 14
TAYLORVILLE SUNNY 57 37 47 SW8 30.00F TC 14
ILZ033-039-045-046-055>057-062-063-182100-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN SUNNY 52 35 52 SW17G25 29.98F TC 11
DANVILLE* SUNNY 50 35 56 SW16G24 30.01F TC 10
RANTOUL* SUNNY 51 34 53 SW16 29.97F TC 10
MATTOON SUNNY 53 32 44 S9G20 30.01F TC 12
PARIS* SUNNY 49 35 57 S13G20 30.03F TC 10
ILZ079-100>102-182100-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 63 32 31 W8 30.01F TC 17
BELLEVILLE SUNNY 64 34 32 SW7 29.99F TC 18
CAHOKIA* SUNNY 66 31 27 SW8 29.99F TC 19
SPARTA* SUNNY 61 35 37 S10G18 30.03F TC 16
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-182100-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE SUNNY 58 35 42 SW14 30.05S TC 14
CAIRO* SUNNY 58 35 42 SW14G21 30.09F TC 15
EFFINGHAM* SUNNY 57 35 43 S14 30.04S TC 14
MARION SUNNY 61 34 36 S14 30.04F TC 16
MT. VERNON N/A 59 35 40 W10G22 30.04 TC 15
CENTRALIA* SUNNY 59 35 39 W14 30.03S TC 15
SALEM* SUNNY 59 35 39 W9G21 30.03S TC 15
METROPOLIS* SUNNY 59 30 33 SW7 30.08S TC 15
ILZ067-068-072-073-078-083-087-091-182100-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE SUNNY 54 33 45 S16 30.05F TC 12
FLORA* SUNNY 57 36 44 SW10G22 30.04S TC 14
FAIRFIELD* SUNNY 57 31 37 SW12G20 30.04S TC 14
HARRISBURG* SUNNY 59 31 33 SW13 30.05F TC 15
ROBINSON* SUNNY 54 34 47 S13 30.04F TC 12
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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