408
ASUS43 KLOT 201801
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 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.
ILZ001-002-007-009-015-016-024-201900-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE MOSUNNY 73 47 39 NW13 29.83S TC 23
6HR MIN TEMP: 49; 6HR MAX TEMP: 73;
STERLING* SUNNY 71 48 43 W8 29.82F TC 22
SAVANNA* SUNNY 71 44 38 W7 29.83S TC 22
ILZ003-004-008-010-011-017-018-201900-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD MOSUNNY 68 47 46 NW9 29.81F TC 20
6HR MIN TEMP: 43; 6HR MAX TEMP: 68;
FREEPORT* MOSUNNY 69 46 42 NW8 29.83R TC 21
DE KALB* MOSUNNY 66 49 54 NW10 29.81S TC 19
ILZ005-006-012>014-019>023-201900-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 69 45 41 W8 29.76F TC 21
6HR MIN TEMP: 51; 6HR MAX TEMP: 69;
CHICAGO-MIDWAY PTSUNNY 70 45 40 W10 29.77F TC 21
6HR MIN TEMP: 52; 6HR MAX TEMP: 70;
AURORA MOSUNNY 68 49 50 W8 29.78F TC 20
6HR MIN TEMP: 38; 6HR MAX TEMP: 68;
JOLIET* PTSUNNY 73 48 41 W8 29.79F TC 23
WAUKEGAN PTSUNNY 64 47 53 NW8 29.77S TC 18
6HR MIN TEMP: 53; 6HR MAX TEMP: 64;
DUPAGE AIRPORT MOSUNNY 68 48 48 W12 29.77F TC 20
6HR MIN TEMP: 47; 6HR MAX TEMP: 68;
WHEELING MOSUNNY 66 45 46 NW7 29.78S TC 19
6HR MIN TEMP: 53; 6HR MAX TEMP: 66;
MORRIS* MOSUNNY 71 48 44 NW13 29.79S TC 21
ROMEOVILLE* SUNNY 68 48 49 W16G23 29.79F TC 20
LANSING* PTSUNNY 71 46 40 W9 29.77F TC 22
NORTHERLY ISL* N/A 66 41 40 N6 N/A TC 19
LMZ740>746-201900-
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 59 10/ 13/ 13 N/A
NORTHERLY ISL 65 240/ 9/ 16 N/A
CALUMET HARBOR 68 270/ 8/ 9 1008.0
BURNS HARBOR 53 CALM / 2 1009.5S
MICHIGAN CITY 51 260/ 12/ 13 1008.0F
ILZ025>027-034>036-040-047-049-050-058-095>099-201900-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY SUNNY 80 44 27 W15G26 29.88F TC 27
MACOMB* MOSUNNY 76 47 35 NW13 29.89S TC 25
PITTSFIELD* MOSUNNY 82 45 27 W21 29.90F HX 80 TC 28
ILZ028>032-037-038-041>044-048-051>054-059>061-201900-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC PTSUNNY 74 45 35 MISG 29.83R TC 23
BLOOMINGTON MOSUNNY 78 48 34 W17G24 29.84F TC 26
DECATUR PTSUNNY 79 47 32 SW17G24 29.85F TC 26
PEORIA MOSUNNY 75 45 34 NW13G20 29.85R TC 24
6HR MIN TEMP: 44; 6HR MAX TEMP: 76;
LACON* MOSUNNY 73 44 35 NW10 29.82F TC 23
LINCOLN* MOSUNNY 81 38 21 W10G21 29.84F TC 27
SPRINGFIELD MOSUNNY 82 44 26 W22G33 29.85F HX 80 TC 28
6HR MIN TEMP: 45; 6HR MAX TEMP: 82;
TAYLORVILLE NOT AVBL
ILZ033-039-045-046-055>057-062-063-201900-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTSUNNY 79 47 32 W22G30 29.83F TC 26
DANVILLE* PTSUNNY 78 48 35 SW18G28 29.83F TC 25
MATTOON PTSUNNY 75 48 38 SW10G24 29.87F TC 24
PARIS* PTSUNNY 75 50 41 W17G24 29.86F TC 24
ILZ079-100>102-201900-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 81 46 30 NW13 29.92S HX 80 TC 27
BELLEVILLE MOSUNNY 85 46 25 W13 29.90F HX 82 TC 29
CAHOKIA* MOSUNNY 84 45 25 SW7 29.90F HX 82 TC 29
SPARTA* MOSUNNY 78 49 36 W9 29.95F TC 26
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-201900-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 79 48 33 VRB7 29.94F TC 26
6HR MIN TEMP: 57; 6HR MAX TEMP: 79;
CAIRO* SUNNY 76 56 50 S9 29.99F TC 25
EFFINGHAM* PTSUNNY 78 49 36 SW10G17 29.92F TC 25
MARION SUNNY 79 52 38 SW10 29.95F TC 26
MT. VERNON N/A 76 52 43 SW9 29.94F TC 24
CENTRALIA* PTSUNNY 78 50 36 SW9 29.93F TC 26
SALEM* PTSUNNY 79 50 36 W7 29.93S TC 26
METROPOLIS* MOSUNNY 75 53 46 CALM 29.99F TC 24
ILZ067-068-072-073-078-083-087-091-201900-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE PTSUNNY 76 51 41 SW15 29.91F TC 24
FLORA* PTSUNNY 77 50 38 W12 29.92F TC 25
FAIRFIELD* PTSUNNY 74 50 42 SW12 29.94S TC 23
HARRISBURG* MOSUNNY 79 46 31 W9 29.95F TC 26
ROBINSON* PTSUNNY 73 54 49 W12 29.89F TC 23
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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