Sumner, IL Weather Forecast & Current Conditions

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Sumner Weather Map
UTC Time: 11/7/2026, 00:50
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Sumner, IL Regional Weather

Expires:202611070100;;387909
ASUS43 KLOT 070010
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 PM CST FRI NOV 06 2026

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.


ILZ067-068-072-073-078-083-087-091-070100-
SOUTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLEAR     43  33  68 N6        30.19R TC   6           
FLORA*         CLEAR     45  34  65 NW3       30.21R TC   7           
FAIRFIELD*     CLOUDY    45  35  67 CALM      30.21R TC   7           
HARRISBURG*    CLOUDY    49  39  66 N6        30.20R TC  10           
ROBINSON*      CLEAR     41  32  70 NW3       30.19R TC   5           
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY
$$

  

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Sumner, IL

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tue-Tue Night
Clear
68°20°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thursday
Cloudy
58°14°
0%
Friday
Cloudy
58°14°
0%

Night: Clear. Much cooler with lows in the lower 30s. North winds around 5 mph.

Olney, IL

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Sunny
68°/ 42° 20°/ 6°
0%
Tue Night
Clear
40°4°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thursday
Cloudy
58°14°
0%
Friday
Cloudy
58°14°
0%

Night: Clear. Much cooler with lows in the lower 30s. North winds around 5 mph.

Mount Carmel, IL

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tue-Tue Night
Clear
68°20°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thursday
Cloudy
58°14°
0%
Friday
Cloudy
58°14°
0%

Night: Clear. Widespread frost after midnight. Cooler with lows in the lower 30s. North winds around 5 mph.

Robinson, IL

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 28° 13°/ -2°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Sunny
65°/ 40° 18°/ 4°
0%
Tue-Tue Night
Clear
68°20°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thursday
Cloudy
58°14°
0%
Friday
Cloudy
58°14°
0%

Night: Clear. Much cooler with lows in the lower 30s. North winds around 5 mph.

Newton, IL

Tonight
Clear
30°-1°
0%
Saturday
Sunny
55°/ 28° 13°/ -2°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Clear
68°20°
0%
Tuesday
Clear
68°/ 38° 20°/ 3°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thursday
Cloudy
58°14°
0%
Friday
Cloudy
58°14°
0%

Night: Clear. Much cooler with lows around 30. North winds around 5 mph.

Albion, IL

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tue Night
Clear
42°6°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thu-Thu Night
Cloudy
58°14°
0%
Friday
Sunny
58°14°
0%

Night: Clear. Widespread frost after midnight. Cooler with lows in the lower 30s. North winds around 5 mph this evening, becoming light and variable.

Fort Branch, IN

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 32° 13°/ 0°
0%
Sunday
Sunny
62°/ 38° 17°/ 3°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tue-Tue Night
Clear
68°20°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thu-Thu Night
Cloudy
58°14°
0%
Friday
Sunny
58°14°
0%

Night: Clear. Widespread frost after midnight. Cooler with lows in the lower 30s. North winds around 5 mph.

Flora, IL

Tonight
Clear
30°-1°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Sunny
68°/ 42° 20°/ 6°
0%
Tue Night
Clear
40°4°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thursday
Cloudy
58°14°
0%
Friday
Cloudy
58°14°
0%

Night: Clear. Much cooler with lows around 30. North winds around 5 mph.

Fairfield, IL

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Sunny
68°/ 42° 20°/ 6°
0%
Tue Night
Clear
40°4°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thu-Thu Night
Cloudy
58°14°
0%
Friday
Sunny
58°14°
0%

Night: Clear. Widespread frost after midnight. Cooler with lows in the lower 30s. North winds around 5 mph this evening, becoming light and variable.

Petersburg, IN

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tue-Tue Night
Clear
68°20°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thursday
Cloudy
58°14°
0%
Friday
Cloudy
58°14°
0%

Night: Clear. Widespread frost after midnight. Cooler with lows in the lower 30s. North winds around 5 mph.

Carmi, IL

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Sunny
68°/ 42° 20°/ 6°
0%
Tue-Tue Night
Clear
68°20°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thu-Thu Night
Cloudy
58°14°
0%
Friday
Sunny
58°14°
0%

Night: Clear. Widespread frost after midnight. Cooler with lows in the lower 30s. North winds around 5 mph.

Marshall, IL

Tonight
Clear
28°-2°
0%
Saturday
Sunny
55°/ 28° 13°/ -2°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Mon-Mon Night
Clear
65°18°
0%
Tue-Tue Night
Clear
68°20°
0%
Veterans Day And Wed Night
Cloudy
62°17°
0%
Thursday
Cloudy
58°14°
0%
Friday
Cloudy
58°14°
0%

Night: Clear. Much cooler with lows in the upper 20s. Northwest winds around 5 mph.

Greenup, IL

Tonight
Clear
28°-2°
0%
Saturday
Sunny
52°/ 28° 11°/ -2°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Clear
68°20°
0%
Tuesday
Clear
68°/ 38° 20°/ 3°
0%
Veterans Day And Wed Night
Cloudy
62°17°
0%
Thursday
Cloudy
58°14°
0%
Friday
Cloudy
58°14°
0%

Night: Clear. Much cooler with lows in the upper 20s. Northwest winds around 5 mph.

Poseyville, IN

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tue-Tue Night
Clear
68°20°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thu-Thu Night
Cloudy
58°14°
0%
Friday
Sunny
58°14°
0%

Night: Clear. Widespread frost after midnight. Cooler with lows in the lower 30s. North winds around 5 mph.

Effingham, IL

Tonight
Clear
28°-2°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Clear
68°20°
0%
Tuesday
Clear
68°/ 38° 20°/ 3°
0%
Veterans Day And Wed Night
Cloudy
62°17°
0%
Thursday
Cloudy
58°14°
0%
Friday
Cloudy
58°14°
0%

Night: Clear. Much cooler with lows in the upper 20s. Northwest winds around 5 mph.

Boonville, IN

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 32° 13°/ 0°
0%
Sunday
Sunny
60°/ 35° 16°/ 2°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tue-Tue Night
Clear
68°20°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thu-Thu Night
Cloudy
58°14°
0%
Friday
Sunny
55°13°
0%

Night: Clear. Areas of frost after midnight. Cooler with lows in the lower 30s. North winds 5 to 10 mph.

Evansville, IN

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 32° 13°/ 0°
0%
Sunday
Sunny
62°/ 38° 17°/ 3°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tue-Tue Night
Clear
68°20°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thu-Thu Night
Cloudy
58°14°
0%
Friday
Sunny
58°14°
0%

Night: Clear. Areas of frost after midnight. Cooler with lows in the lower 30s. North winds 5 to 10 mph.

McLeansboro, IL

Tonight
Clear
32°0°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 38° 17°/ 3°
0%
Monday
Sunny
68°/ 42° 20°/ 6°
0%
Tue-Tue Night
Clear
68°20°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thu-Thu Night
Cloudy
58°14°
0%
Friday
Sunny
58°14°
0%

Night: Clear. Widespread frost after midnight. Cooler with lows in the lower 30s. North winds around 5 mph this evening, becoming light and variable.

Litchfield, IL

Tonight
Clear
28°-2°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
62°/ 35° 17°/ 2°
0%
Monday
Sunny
65°/ 40° 18°/ 4°
0%
Tue Night
Cloudy
38°3°
0%
Veterans Day And Wed Night
Cloudy
62°17°
0%
Thu-Thu Night
Cloudy
58°14°
0%
Friday
Sunny
58°14°
0%

Night: Clear. Much cooler with lows in the upper 20s. North winds around 5 mph this evening, becoming light and variable.

Centralia, IL

Tonight
Clear
30°-1°
0%
Saturday
Sunny
55°/ 30° 13°/ -1°
0%
Sunday
Sunny
65°/ 35° 18°/ 2°
0%
Monday
Sunny
68°/ 42° 20°/ 6°
0%
Tue Night
Clear
40°4°
0%
Veterans Day And Wed Night
Cloudy
65°18°
0%
Thu-Thu Night
Cloudy
58°14°
0%
Friday
Sunny
58°14°
0%

Night: Mostly clear. Much cooler with lows around 30. North winds around 5 mph this evening, becoming light and variable.

Names listed above may include county names.

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