Conant, IL Weather Forecast & Current Conditions

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Conant, IL Weather Maps

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Conant Weather Map
UTC Time: 9/22/2026, 10:52
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Conant, IL Regional Weather

Expires:202609221100;;865436
ASUS43 KLOT 221007
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CDT TUE SEP 22 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.


ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-221100-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     NOT AVBL                                               
CAIRO*         CLOUDY    69  65  86 NE9       30.03F TC  21           
EFFINGHAM*     CLOUDY    59  55  85 NE3       30.14R TC  15           
MARION         CLOUDY    63  57  82 N7        30.07S TC  17           
MT. VERNON     CLOUDY    62  55  77 N7        30.09S TC  17           
CENTRALIA*     CLEAR     60  55  81 NE6       30.10S TC  16           
SALEM*         CLOUDY    62  56  81 MISG      30.11R TC  17           
$$


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

Conant, IL

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Sat-Sat Night
Mostly Cloudy
78°26°
0%
Sunday
Partly Cloudy
82°28°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. Northeast winds around 5 mph.

Carbondale, IL

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Mostly Cloudy
78°26°
0%
Sunday
Mostly Cloudy
78°26°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. Northeast winds around 5 mph.

West Frankfort, IL

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Cloudy
78°26°
0%
Friday
Cloudy
78°/ 52° 26°/ 11°
0%
Saturday
Mostly Cloudy
80°27°
0%
Sunday
Mostly Cloudy
80°27°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. Northeast winds 5 to 10 mph.

Mount Vernon, IL

Overnight
Mostly Cloudy
60°16°
0%
Tuesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Cloudy
78°26°
0%
Friday
Cloudy
78°/ 52° 26°/ 11°
0%
Sat-Sat Night
Mostly Cloudy
78°26°
0%
Sunday
Partly Cloudy
82°28°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature around 60. Northeast winds around 5 mph.

Herrin, IL

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Mostly Cloudy
80°27°
0%
Sunday
Mostly Cloudy
80°27°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. Northeast winds around 5 mph.

Perryville, MO

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Mostly Cloudy
78°26°
0%
Sunday
Mostly Cloudy
78°26°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. Northeast winds around 5 mph.

Cape Girardeau, MO

Overnight
Rain Showers
65°18°
20%
Tuesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Mostly Cloudy
78°26°
0%
Sunday
Mostly Cloudy
78°26°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the mid 60s. Northeast winds around 5 mph.

Jonesboro, IL

Overnight
Mostly Cloudy
65°18°
0%
Tuesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Mostly Cloudy
80°27°
0%
Sunday
Mostly Cloudy
80°27°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the mid 60s. Northeast winds around 5 mph.

McLeansboro, IL

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Fri Night
Cloudy
52°11°
0%
Saturday
Mostly Cloudy
80°27°
0%
Sunday
Mostly Cloudy
80°27°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. Northeast winds around 5 mph.

Harrisburg, IL

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Mostly Cloudy
78°/ 58° 26°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Fri Night
Cloudy
52°11°
0%
Saturday
Mostly Cloudy
80°27°
0%
Sunday
Mostly Cloudy
80°27°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. North winds around 5 mph.

Marble Hill, MO

Overnight
Rain Showers
62°17°
20%
Tuesday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Mostly Cloudy
78°26°
0%
Sunday
Mostly Cloudy
78°26°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the lower 60s. Northeast winds around 5 mph.

Vienna, IL

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Mostly Cloudy
80°27°
0%
Sunday
Mostly Cloudy
80°27°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. North winds around 5 mph.

Fairfield, IL

Overnight
Mostly Cloudy
58°14°
0%
Tuesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Fri Night
Cloudy
50°10°
0%
Saturday
Mostly Cloudy
78°26°
0%
Sunday
Mostly Cloudy
78°26°
0%
Sun Night-Mon
Cloudy
55°13°
0%

Night: Mostly cloudy. Near steady temperature in the upper 50s. Northeast winds 5 to 10 mph.

Cairo, IL

Overnight
Rain Showers
65°18°
20%
Tuesday
Partly Cloudy
78°/ 60° 26°/ 16°
0%
Wednesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Thursday
Cloudy
80°27°
0%
Fri Night
Cloudy
80°27°
0%
Saturday
Mostly Cloudy
82°28°
0%
Sunday
Mostly Cloudy
82°28°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the mid 60s. North winds around 5 mph.

Mound City, IL

Overnight
Mostly Cloudy
65°18°
0%
Tuesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Wednesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Thursday
Cloudy
80°27°
0%
Fri Night
Cloudy
80°27°
0%
Saturday
Mostly Cloudy
82°28°
0%
Sunday
Mostly Cloudy
82°28°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the mid 60s. North winds around 5 mph.

Golconda, IL

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Sunny
78°/ 52° 26°/ 11°
0%
Saturday
Sunny
78°/ 55° 26°/ 13°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. North winds around 5 mph.

Sikeston, MO

Overnight
Rain Showers
65°18°
20%
Tuesday
Rain Showers
80°/ 58° 27°/ 14°
20%
Wednesday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Thursday
Cloudy
80°27°
0%
Fri Night
Cloudy
80°27°
0%
Saturday
Mostly Cloudy
82°28°
0%
Sunday
Mostly Cloudy
82°28°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the mid 60s. North winds 5 to 10 mph.

Carmi, IL

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Mostly Cloudy
78°/ 58° 26°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Fri Night-Sat
Cloudy
52°11°
0%
Sat Night-Sun
Mostly Cloudy
55°13°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. Northeast winds around 5 mph.

Metropolis, IL

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Wednesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Thursday
Sunny
80°/ 58° 27°/ 14°
0%
Friday
Cloudy
82°28°
0%
Saturday
Cloudy
82°/ 55° 28°/ 13°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. North winds around 5 mph.

Shawneetown, IL

Overnight
Mostly Cloudy
62°17°
0%
Tuesday
Mostly Cloudy
78°/ 58° 26°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Fri Night-Sat
Cloudy
52°11°
0%
Sat Night
Mostly Cloudy
55°13°
0%
Sun-Sun Night
Cloudy
82°28°
0%
Monday
Sunny
85°29°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. North winds around 5 mph.

Names listed above may include county names.

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