Regional Weather Roundup
Issued by NWS
Issued by NWS
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669
ASUS43 KLOT 092110
RWRIL
ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM 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.
ILZ001-002-007-009-015-016-024-092200-
NORTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
MOLINE CLOUDY 37 31 78 S9 29.59F WCI 30 TC 3
STERLING* CLOUDY 35 31 85 CALM 29.62F TC 2
$$
ILZ003-004-008-010-011-017-018-092200-
NORTH CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ROCKFORD CLOUDY 32 28 85 S5 29.64F WCI 27 TC 0
FREEPORT* CLOUDY 32 29 89 S5 29.61F WCI 27 TC 0
DE KALB* CLOUDY 32 30 92 CALM 29.64F TC 0
PERU* CLOUDY 38 32 77 SW5 29.63F WCI 35 TC 3
$$
ILZ005-006-012>014-019>023-092200-
NORTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHICAGO-OHARE CLOUDY 35 29 78 SW9 29.64R WCI 28 TC 2
CHICAGO-MIDWAY CLOUDY 36 30 79 SW12 29.66S WCI 28 TC 2
AURORA CLOUDY 35 30 82 SW6 29.65R HAZE WCI 30
JOLIET* CLOUDY 38 32 79 SW6 29.67S WCI 33 TC 3
WAUKEGAN CLOUDY 32 28 85 W10 29.63S WCI 24 TC 0
DUPAGE AIRPORT CLOUDY 34 30 85 SW10 29.64S WCI 26 TC 1
WHEELING CLOUDY 34 29 82 SW8 29.65S WCI 27 TC 1
MORRIS* CLOUDY 35 32 87 S7 29.65F WCI 30 TC 2
ROMEOVILLE* PTSUNNY 37 32 81 SW9 29.67S WCI 31 TC 3
LANSING* CLOUDY 35 27 73 SW15 29.68S WCI 25 TC 2
NORTHERLY ISL* N/A 36 29 76 SW12 N/A WCI 28 TC 2
$$
LMZ740>746-092200-
SOUTHERN LAKE MICHIGAN
STATION/POSITION SKY/WX TEMP WIND PRES VSBY WAVE
AIR SEA DIR/SP/G HT/PER
(F) (DEG/KT/KT) (MB) (MI) (FT/S)
HARRISON CRIB 37 240/ 9/ 10 N/A
NORTHERLY ISL 36 260/ 8/ 15 N/A
CALUMET HARBOR 36 200/ 9/ 12 1003.6
BURNS HARBOR 36 220/ 9/ 11 1005.1F
MICHIGAN CITY 36 200/ 15/ 17 1004.1F
$$
ILZ025>027-034>036-040-047-049-050-058-095>099-092200-
WEST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
QUINCY CLOUDY 41 32 70 S13 29.63F TC 5
GALESBURG* CLOUDY 37 35 92 S9 29.63S WCI 30 TC 3
MACOMB* CLOUDY 39 32 76 S8 29.64F WCI 33 TC 4
JACKSONVILLE* CLOUDY 41 32 68 S10 29.65F TC 5
$$
ILZ028>032-037-038-041>044-048-051>054-059>061-092200-
CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
PONTIAC CLOUDY 37 31 81 SW10 29.67S WCI 29 TC 3
BLOOMINGTON CLOUDY 36 32 85 SW17 29.66F WCI 26 TC 2
DECATUR PTSUNNY 40 32 73 S17G25 29.70F TC 4
PEORIA CLOUDY 37 31 78 S14 29.64F WCI 28 TC 3
LINCOLN* CLOUDY 39 30 68 S12 29.67F WCI 32 TC 4
SPRINGFIELD CLOUDY 40 32 73 S13 29.67F TC 4
TAYLORVILLE CLOUDY 40 33 75 S15G23 29.72F TC 5
$$
ILZ033-039-045-046-055>057-062-063-092200-
EAST-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CHAMPAIGN MOSUNNY 35 32 88 S15 29.70F WCI 25 TC 2
RANTOUL* CLOUDY 37 31 79 S12 29.70F WCI 29 TC 3
MATTOON MOSUNNY 43 33 68 S15 29.73F TC 6
PARIS* SUNNY 41 33 72 S15 29.75F TC 5
$$
ILZ079-100>102-092200-
SOUTHWEST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
ALTON SUNNY 52 36 54 S18 29.73F TC 11
BELLEVILLE PTSUNNY 52 35 52 SW16 29.74F TC 11
CAHOKIA* PTSUNNY 53 34 48 S12 29.74F TC 12
SPARTA* PTSUNNY 44 33 65 S15G24 29.81F TC 7
$$
ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-092200-
SOUTH-CENTRAL ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
CARBONDALE PTSUNNY 39 33 79 S22G28 29.86F WCI 29 TC 4
CAIRO* MOSUNNY 44 36 71 SW13G20 29.95F TC 7
EFFINGHAM* PTSUNNY 45 33 64 S14 29.78F TC 7
MT. VERNON PTSUNNY N/A N/A N/A SW17G24 29.83F
CENTRALIA* PTSUNNY 43 33 67 S15G22 29.81 TC 6
SALEM* PTSUNNY 44 33 65 S15G21 29.79F TC 7
METROPOLIS* MOSUNNY 43 32 66 S9 29.94F TC 6
$$
ILZ067-068-072-073-078-083-087-091-092200-
SOUTHEAST ILLINOIS
CITY SKY/WX TMP DP RH WIND PRES REMARKS
LAWRENCEVILLE MOSUNNY 45 32 60 S17 29.83F TC 7
FLORA* PTSUNNY 46 34 61 S16 29.81F TC 8
FAIRFIELD* CLOUDY 43 32 65 SW15G22 29.85F TC 6
HARRISBURG* MOSUNNY 40 31 69 SW18G24 29.89F TC 5
ROBINSON* SUNNY 46 34 61 S16G22 29.80F TC 8
$$
ABBREVIATIONS USED IN REMARKS
TC - TEMPERATURE IN CELSIUS
WCI - WIND CHILL INDEX
HX - HEAT INDEX
VSB - VISIBILITY
$$