Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 040401
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CST WED DEC 03 2025
NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.
* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
REPORT WEATHER SUCH AS PRECIPITATION OR FOG.
ILZ001-002-007-009-015-016-024-040500-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 16 9 74 NW14 30.29R WCI 2 TC -9
STERLING* CLEAR 17 10 74 N9 30.27 WCI 6 TC -8
$$
ILZ003-004-008-010-011-017-018-040500-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLEAR 16 7 67 NW10 30.25R WCI 4 TC -9
DE KALB* CLOUDY 18 10 70 N16 30.21R WCI 4 TC -8
PERU* CLOUDY 22 14 71 NW10 30.24R WCI 11 TC -5
$$
ILZ005-006-012>014-019>023-040500-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 20 9 62 NW16 30.19R WCI 6 TC -7
CHICAGO-MIDWAY MOCLDY 23 14 68 NW18G28 30.20R WCI 9 TC -5
AURORA CLOUDY 22 14 71 N15 30.20R WCI 9 TC -6
JOLIET* CLOUDY 27 18 68 NW6 30.21R WCI 21 TC -3
WAUKEGAN CLEAR 17 7 64 NW9G18 30.19R WCI 6 TC -8
DUPAGE AIRPORT CLOUDY 21 12 68 N18 30.20R WCI 6 TC -6
WHEELING CLEAR 19 9 65 N12G23 30.22R WCI 7 TC -7
MORRIS* CLOUDY 26 19 77 N7G16 30.20R WCI 18 TC -4
ROMEOVILLE* CLOUDY 25 16 68 NW15 30.20R WCI 12 TC -4
LANSING* CLOUDY 26 16 65 NW12G17 30.19R WCI 15 TC -3
NORTHERLY ISL* N/A 24 14 65 NW16 N/A WCI 11 TC -4
$$
LMZ740>746-040500-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
S. MID LAKE BUOY 29 44 320/ 19/ 25 1021.6R
HARRISON CRIB 25 320/ 21/ 24 N/A
NORTHERLY ISL 26 330/ 8/ 18 N/A
CALUMET HARBOR 26 300/ 9/ 15 1021.4R
BURNS HARBOR 30 330/ 10/ 15 1021.7R
MICHIGAN CITY 29 320/ 8/ 9 1021.0R
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-040500-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY PTCLDY 19 14 81 N15 30.28S WCI 5 TC -7
GALESBURG* CLEAR 16 15 93 NW8 N/A WCI 6 TC -9
MACOMB* PTCLDY 16 12 84 NW12 30.31R WCI 3 TC -9
JACKSONVILLE* CLOUDY 26 19 76 N15 30.26R WCI 13 TC -4
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-040500-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 26 18 73 NW16 30.21R WCI 13 TC -3
BLOOMINGTON CLOUDY 26 23 88 NW13 30.21R WCI 15 TC -3
DECATUR CLOUDY 30 24 78 NW15 30.20R WCI 19 TC -1
PEORIA MOCLDY 22 14 71 N7G18 30.25R WCI 13 TC -6
LACON* CLOUDY 23 16 74 NW8 30.24R WCI 14 TC -5
LINCOLN* CLOUDY 28 19 69 NW8 30.24R WCI 19 TC -2
SPRINGFIELD MOCLDY 25 19 78 N15G23 30.24R WCI 13 TC -4
TAYLORVILLE CLOUDY 30 26 84 N16 30.23R WCI 19 TC -1
$$
ILZ033-039-045-046-055>057-062-063-040500-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN CLOUDY 30 28 92 NW16G23 30.18R FOG WCI 19
RANTOUL* CLOUDY 28 27 94 N15G23 30.18R FOG WCI 17
MATTOON CLOUDY 30 28 92 W6 30.18R WCI 24 TC -1
PARIS* CLOUDY 29 27 90 SW9 30.19R FOG WCI 21
$$
ILZ079-100>102-040500-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 34 30 86 N12 30.23R WCI 25 TC 1
BELLEVILLE MOCLDY 33 30 90 CALM 30.20R TC 1
CAHOKIA* CLOUDY 35 30 82 N8 30.21R WCI 29 TC 2
SPARTA* CLOUDY 31 29 93 CALM 30.23R TC 0
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-040500-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE CLOUDY 30 27 88 W3 30.21R TC -1
CAIRO* MOCLDY 29 28 95 CALM 30.21S TC -1
EFFINGHAM* CLOUDY 31 30 94 CALM 30.22R TC 0
MT. VERNON CLOUDY N/A N/A N/A CALM 30.21R
SALEM* CLOUDY 33 30 89 CALM 30.20R TC 0
METROPOLIS* CLEAR 28 27 97 CALM 30.20F TC -2
$$
ILZ067-068-072-073-078-083-087-091-040500-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 29 26 89 S5 30.21R WCI 24 TC -2
FLORA* CLOUDY 30 30 100 CALM 30.22R FOG TC -1
FAIRFIELD* MOCLDY 31 27 88 CALM 30.21R TC -1
HARRISBURG* CLOUDY 30 27 86 W3 30.22R TC -1
ROBINSON* CLOUDY 30 28 93 SW3 30.20R FOG TC -1
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$