Regional Weather Roundup
Issued by NWS
Issued by NWS
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ASUS43 KLOT 091210
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CST TUE DEC 09 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.
ILZ001-002-007-009-015-016-024-091300-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLEAR 27 23 85 SW9 29.82F WCI 18 TC -3
6HR MIN TEMP: 25; 6HR MAX TEMP: 28;
STERLING* CLEAR 23 20 88 VRB7 29.81F WCI 15 TC -5
$$
ILZ003-004-008-010-011-017-018-091300-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 22 18 85 S9 29.81F WCI 12 TC -6
6HR MIN TEMP: 19; 6HR MAX TEMP: 23; 6HR PCP: TRACE;
FREEPORT* CLOUDY 25 22 87 SW17 29.79F WCI 12 TC -4
DE KALB* MOCLDY 19 17 90 S10 29.82F WCI 7 TC -7
PERU* CLEAR 28 23 80 SW14 29.85F WCI 17 TC -2
$$
ILZ005-006-012>014-019>023-091300-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE PTCLDY 26 19 74 SW13G24 29.82F WCI 15 TC -3
6HR MIN TEMP: 21; 6HR MAX TEMP: 26; 6HR PCP: 0.01;
CHICAGO-MIDWAY PTCLDY 26 19 74 SW14 29.84F WCI 14 TC -3
6HR MIN TEMP: 22; 6HR MAX TEMP: 26; 6HR PCP: TRACE;
AURORA CLEAR 20 17 88 S9 29.83F WCI 9 TC -7
6HR MIN TEMP: 19; 6HR MAX TEMP: 22; 6HR PCP: TRACE;
JOLIET* CLEAR 28 23 79 S12 29.87F WCI 18 TC -2
WAUKEGAN CLOUDY 26 20 77 SW17 29.78F WCI 13 TC -3
6HR MIN TEMP: 21; 6HR MAX TEMP: 26; 6HR PCP: TRACE;
DUPAGE AIRPORT MOCLDY 23 19 85 S10 29.81F WCI 12 TC -5
6HR MIN TEMP: 20; 6HR MAX TEMP: 24; 6HR PCP: TRACE;
WHEELING MOCLDY 26 20 77 SW17G28 29.82F WCI 13 TC -3
6HR MIN TEMP: 21; 6HR MAX TEMP: 26; 6HR PCP: TRACE;
MORRIS* CLEAR 24 21 87 S10 29.85F WCI 14 TC -4
ROMEOVILLE* CLEAR 25 21 86 S16 29.86F WCI 12 TC -4
LANSING* CLEAR 26 17 68 S15G23 29.88F WCI 13 TC -3
NORTHERLY ISL* N/A 26 19 75 S17 N/A WCI 13 TC -3
$$
LMZ740>746-091300-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 28 200/ 27/ 30 N/A
NORTHERLY ISL 26 200/ 10/ 17 N/A
CALUMET HARBOR 27 180/ 10/ 16 1010.9
BURNS HARBOR 26 180/ 9/ 14 1011.9F
MICHIGAN CITY 26 180/ 19/ 24 1011.9F
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-091300-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLEAR 34 29 82 SW9 29.90F WCI 27 TC 1
GALESBURG* CLEAR 25 25 100 S7 29.87S WCI 17 TC -4
MACOMB* CLEAR 32 28 86 SW10 29.90S WCI 23 TC 0
JACKSONVILLE* CLEAR 32 25 77 S9 29.93S WCI 24 TC 0
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-091300-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLEAR 29 23 76 SW16 29.88F WCI 18 TC -1
BLOOMINGTON CLEAR 28 24 85 SW20 29.89F WCI 15 TC -2
DECATUR MOCLDY 30 24 78 SW18 29.95S WCI 18 TC -1
PEORIA CLEAR 26 23 88 S9 29.89F WCI 17 TC -3
6HR MIN TEMP: 23; 6HR MAX TEMP: 27;
LINCOLN* CLEAR 31 23 70 S8 29.93S WCI 24 TC 0
SPRINGFIELD PTCLDY 32 25 75 SW12G20 29.93S WCI 23 TC 0
6HR MIN TEMP: 26; 6HR MAX TEMP: 32;
TAYLORVILLE MOCLDY 32 26 77 S17 29.96S WCI 21 TC 0
6HR MIN TEMP: 26; 6HR MAX TEMP: 32;
$$
ILZ033-039-045-046-055>057-062-063-091300-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN PTCLDY 28 23 81 S22 29.94S WCI 14 TC -2
RANTOUL* MOCLDY 29 22 76 S13 29.94S WCI 18 TC -2
MATTOON MOCLDY 29 22 75 S15G22 29.97F WCI 18 TC -2
PARIS* CLOUDY 30 22 73 S18G26 29.99F WCI 18 TC -1
$$
ILZ079-100>102-091300-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON CLOUDY 34 27 76 S10 29.99F WCI 26 TC 1
BELLEVILLE CLOUDY 35 27 71 S9 30.00F WCI 28 TC 2
CAHOKIA* CLOUDY 37 26 64 S9 30.00F WCI 30 TC 3
SPARTA* MOCLDY 33 27 78 S10 30.06S WCI 24 TC 0
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-091300-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE MOCLDY 33 28 81 S8 30.08F WCI 26 TC 1
6HR MIN TEMP: 26; 6HR MAX TEMP: 34;
CAIRO* MOCLDY 32 29 90 S7 30.16F WCI 26 TC 0
EFFINGHAM* MOCLDY 30 24 77 S8 30.03F WCI 23 TC -1
MT. VERNON MOCLDY N/A N/A N/A SW13 30.07S
CENTRALIA* N/A N/A N/A N/A MISG N/A
SALEM* MOCLDY 34 26 73 S12G17 30.03S WCI 25 TC 1
METROPOLIS* MOCLDY 31 27 83 CALM 30.16S TC 0
$$
ILZ067-068-072-073-078-083-087-091-091300-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE CLOUDY 30 24 78 S10 30.08F WCI 21 TC -1
FLORA* MOCLDY 32 25 74 S12 30.06S WCI 23 TC 0
FAIRFIELD* MOCLDY 30 25 80 S8 30.08S WCI 23 TC -1
HARRISBURG* CLOUDY 32 27 81 SW10 30.11F WCI 24 TC 0
ROBINSON* MOCLDY 30 25 80 S12 30.05F WCI 21 TC -1
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$