791
ASUS43 KLOT 121312
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 AM CDT SUN APR 12 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.
ILZ001-002-007-009-015-016-024-121400-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE PTSUNNY 64 56 75 S17G25 29.92S TC 18
STERLING* PTSUNNY 63 56 78 SW8 29.96S TC 17
SAVANNA* CLOUDY 61 55 81 S6 29.93S TC 16
ILZ003-004-008-010-011-017-018-121400-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 60 54 80 S12 29.96F TC 16
FREEPORT* CLOUDY 62 58 86 SW20G25 29.96R TC 17
ROCHELLE* CLOUDY 60 53 78 S16 29.97S TC 16
DE KALB* CLOUDY 57 54 89 S17 29.99S TC 14
PERU* PTSUNNY 63 55 77 S14 30.00R TC 17
ILZ005-006-012>014-019>023-121400-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTSUNNY 62 52 69 S12G26 29.99F TC 17
CHICAGO-MIDWAY PTSUNNY 63 53 70 S15G25 30.02S TC 17
AURORA PTSUNNY 58 53 84 S10 30.00S TC 14
JOLIET* PTSUNNY 64 55 73 S15G25 30.02F TC 18
WAUKEGAN PTSUNNY 62 52 69 SW20G26 29.96S TC 17
DUPAGE AIRPORT PTSUNNY 61 53 75 S16G28 29.99F TC 16
KANKAKEE* MOSUNNY 61 54 77 S14G24 30.07S TC 16
WHEELING PTSUNNY 63 53 70 S14G24 30.00S TC 17
MORRIS* PTSUNNY 59 53 80 S12 30.01S TC 15
ROMEOVILLE* SUNNY 63 55 77 S21G31 30.02F TC 17
LANSING* PTSUNNY 60 52 74 S16G24 30.05S TC 16
NORTHERLY ISL* N/A 61 50 67 S14 N/A TC 16
LMZ740>746-121400-
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)
WINTHROP HARBOR 45 40 300/ 12/ 16 1018.5 2/ 4
HARRISON CRIB 61 200/ 27/ 29 N/A
NORTHERLY ISL 60 190/ 13/ 17 N/A
CALUMET HARBOR 59 170/ 12/ 18 1016.4
BURNS HARBOR 58 180/ 9/ 14 1017.9S
MICHIGAN CITY 60 170/ 20/ 26 1016.4F
ST. JOSEPH BUOY 53 170/ 12/ 16 1018.0F 2/ 3
ILZ025>027-034>036-040-047-049-050-058-095>099-121400-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTSUNNY 66 56 70 S16G24 29.99F TC 19
GALESBURG* PTSUNNY 63 60 90 S15G21 29.98S TC 17
MACOMB* PTSUNNY 65 58 78 S16 30.01S TC 18
JACKSONVILLE* PTSUNNY 64 54 68 S13 30.05R TC 18
PITTSFIELD* PTSUNNY 68 56 66 S16 30.04S TC 20
ILZ028>032-037-038-041>044-048-051>054-059>061-121400-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC MOSUNNY 64 55 72 MISG 30.04S TC 18
BLOOMINGTON MOSUNNY 65 57 75 S18G26 30.07R TC 18
DECATUR MOSUNNY 64 56 75 S17 30.09R TC 18
PEORIA PTSUNNY 63 55 75 S16G22 30.03R TC 17
LACON* PTSUNNY 66 53 63 S18G25 30.00R TC 19
LINCOLN* MOSUNNY 66 53 63 S12G17 30.07R TC 19
SPRINGFIELD MOSUNNY 64 55 72 S15 30.06R TC 18
TAYLORVILLE MOSUNNY 64 55 72 S14 30.09R TC 18
ILZ033-039-045-046-055>057-062-063-121400-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 62 56 80 S15 30.10R TC 17
DANVILLE* MOSUNNY 64 55 74 S14G24 30.12S TC 18
RANTOUL* SUNNY 62 55 80 S15 30.10S TC 16
MATTOON MOSUNNY 63 56 78 S12 30.12R TC 17
PARIS* MOSUNNY 62 55 76 MISG 30.14R TC 17
ILZ079-100>102-121400-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 64 55 72 S14 30.09R TC 18
CAHOKIA* PTSUNNY 65 55 70 S7 30.09R TC 18
SPARTA* PTSUNNY 65 54 66 S9 30.14R TC 19
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-121400-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOSUNNY 65 56 72 S7 30.15R TC 18
CAIRO* MOSUNNY 66 55 67 S9 30.18R TC 19
EFFINGHAM* MOSUNNY 62 58 86 SE8 30.15R TC 17
MARION SUNNY 66 55 68 S9 30.16R TC 19
MT. VERNON MOSUNNY 65 57 75 S8 30.15R TC 18
CENTRALIA* MOSUNNY 66 55 68 S12G17 30.13S TC 19
SALEM* MOSUNNY 69 55 62 S8 30.13S TC 20
METROPOLIS* MOSUNNY 64 56 77 CALM 30.19R TC 18
ILZ067-068-072-073-078-083-087-091-121400-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 62 57 83 S10 30.16S TC 17
FLORA* MOSUNNY 63 59 88 S9 30.15S TC 17
FAIRFIELD* MOSUNNY 63 56 79 S7 30.16R TC 17
HARRISBURG* MOSUNNY 65 55 70 S7 30.17R TC 19
ROBINSON* MOSUNNY 64 59 82 S15 30.15S TC 18
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
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