386
ASUS43 KLOT 201701
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM 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.
ILZ001-002-007-009-015-016-024-201800-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE SUNNY 70 46 42 NW8 29.83F TC 21
STERLING* MOSUNNY 68 48 48 W12 29.83R TC 20
SAVANNA* SUNNY 66 44 44 W6 29.83S TC 19
ILZ003-004-008-010-011-017-018-201800-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD PTSUNNY 65 46 50 W10 29.82F TC 18
FREEPORT* MOSUNNY 66 46 47 NW9 29.83F TC 19
ILZ005-006-012>014-019>023-201800-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 65 44 46 W9 29.77S TC 18
CHICAGO-MIDWAY PTSUNNY 67 46 47 NW10 29.79S TC 19
AURORA PTSUNNY 66 49 54 NW13 29.79F TC 19
JOLIET* PTSUNNY 70 48 45 W12 29.81S TC 21
WAUKEGAN PTSUNNY 62 45 53 NW9 29.77R TC 17
DUPAGE AIRPORT PTSUNNY 65 46 50 W12 29.78F TC 18
WHEELING PTSUNNY 65 44 46 NW10 29.78F TC 18
MORRIS* PTSUNNY 69 47 46 W16G22 29.80S TC 21
ROMEOVILLE* SUNNY 66 48 52 W16G25 29.80S TC 19
LANSING* PTSUNNY 68 43 40 W18 29.80S TC 20
NORTHERLY ISL* N/A 64 41 42 W13 N/A TC 18
LMZ740>746-201800-
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 63 290/ 12/ 13 N/A
NORTHERLY ISL 62 280/ 12/ 15 N/A
CALUMET HARBOR 65 240/ 9/ 17 1008.2
BURNS HARBOR 53 270/ 7/ 9 1009.5R
MICHIGAN CITY 51 230/ 13/ 14 1008.2R
ILZ025>027-034>036-040-047-049-050-058-095>099-201800-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY MOSUNNY 76 46 34 W16 29.90S TC 24
MACOMB* MOSUNNY 73 48 40 W18G26 29.89S TC 23
PITTSFIELD* MOSUNNY 78 46 32 W14G20 29.91S TC 26
ILZ028>032-037-038-041>044-048-051>054-059>061-201800-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 74 43 32 MISG 29.82F TC 23
DECATUR PTSUNNY 74 48 39 W13G21 29.88F TC 23
PEORIA MOSUNNY 75 45 34 W13G21 29.84F TC 24
LINCOLN* PTSUNNY 78 41 26 SW8 29.86F TC 26
SPRINGFIELD PTSUNNY 78 46 32 W17G26 29.87F TC 26
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201800-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 75 47 36 SW18 29.86F TC 24
DANVILLE* PTSUNNY 74 48 39 W16G25 29.85F TC 23
MATTOON PTSUNNY 73 50 44 SW10G17 29.90F TC 23
PARIS* PTSUNNY 72 51 47 W12 29.89F TC 22
ILZ079-100>102-201800-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 77 46 33 W12 29.92F TC 25
BELLEVILLE MOSUNNY 81 49 31 W10 29.91F HX 80 TC 27
CAHOKIA* MOSUNNY 80 46 30 W7 29.92F TC 27
SPARTA* MOSUNNY 75 49 39 SW6 29.96F TC 24
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201800-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 76 49 38 W9 29.96S TC 24
EFFINGHAM* PTSUNNY 74 51 44 SW8 29.93F TC 23
MARION MOSUNNY 75 52 43 SW9 29.97F TC 24
MT. VERNON N/A 74 52 46 SW10 29.95S TC 23
SALEM* PTSUNNY 74 51 44 W10 29.94S TC 23
ILZ067-068-072-073-078-083-087-091-201800-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 71 51 49 SW12 29.93F TC 22
FAIRFIELD* PTSUNNY 71 51 48 SW9 29.95S TC 22
HARRISBURG* MOSUNNY 75 48 38 W7 29.97S TC 24
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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