Oak Lake, IL Weather Forecast & Current Conditions

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Oak Lake, IL Weather Maps

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Oak Lake Weather Map
UTC Time: 10/8/2026, 16:54
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Oak Lake, IL Regional Weather

Expires:202610081700;;744026
ASUS43 KLOT 081610
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT THU OCT 08 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>094-081700-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     SUNNY     78  49  35 SE5       30.11S TC  26           
CAIRO*         SUNNY     80  53  38 E12       30.10S HX  80  TC  27   
EFFINGHAM*     SUNNY     75  41  29 E3        30.14S TC  24           
MARION         SUNNY     79  48  34 SE9       30.11S TC  26           
MT. VERNON     SUNNY     80  42  25 E6        30.12S TC  27           
CENTRALIA*     SUNNY     81  43  26 CALM      30.13S TC  27           
SALEM*         SUNNY     79  46  31 MISG      30.12F TC  26           
METROPOLIS*    SUNNY     80  45  29 E7        30.11R TC  27           
$$


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

Oak Lake, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 58° 31°/ 14°
0%
Saturday
Rain Showers
82°/ 58° 28°/ 14°
80%
Sunday
Rain Showers
75°24°
50%
Sun Night
Clear
58°14°
0%
Mon Night
Clear
58°14°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%

Day: Sunny. Highs in the mid 80s. East winds around 5 mph.

Night: Clear. Lows in the mid 50s. Calm winds, becoming southeast around 5 mph after midnight.

Carbondale, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 60° 31°/ 16°
0%
Saturday
Rain Showers
80°/ 58° 27°/ 14°
90%
Sunday
Rain Showers
75°24°
50%
Sun Night
Clear
58°14°
0%
Mon Night
Clear
58°14°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%

Day: Sunny. Highs in the mid 80s. East winds around 5 mph.

Night: Clear. Lows in the mid 50s. Calm winds, becoming southeast around 5 mph after midnight.

West Frankfort, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 60° 31°/ 16°
0%
Saturday
Rain Showers
82°/ 58° 28°/ 14°
90%
Sunday
Rain Showers
75°24°
50%
Sun Night
Clear
58°14°
0%
Mon Night
Clear
58°14°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%

Day: Sunny. Highs in the mid 80s. East winds around 5 mph.

Night: Clear. Lows in the mid 50s. Southeast winds around 5 mph.

Herrin, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 62° 31°/ 17°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
90%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
50%
Columbus Day And Mon Night
Clear
85°29°
0%
Tue-Tue Night
Clear
78°26°
0%
Wednesday
Sunny
75°24°
0%

Day: Sunny. Highs in the mid 80s. East winds around 5 mph.

Night: Clear. Lows in the mid 50s. East winds around 5 mph.

Mount Vernon, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 58° 31°/ 14°
0%
Saturday
Rain Showers
82°/ 58° 28°/ 14°
90%
Sunday
Rain Showers
75°24°
50%
Sun Night
Clear
58°14°
0%
Mon Night
Clear
58°14°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%

Day: Sunny. Highs in the mid 80s. East winds around 5 mph.

Night: Clear. Lows in the mid 50s. Calm winds, becoming southeast around 5 mph after midnight.

Perryville, MO

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 58° 31°/ 14°
0%
Saturday
Rain Showers
80°/ 58° 27°/ 14°
80%
Sunday
Rain Showers
75°24°
40%
Sun Night
Clear
58°14°
0%
Mon Night
Clear
58°14°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
75°24°
0%

Day: Sunny. Highs in the mid 80s. West winds around 5 mph, becoming east around 5 mph this afternoon.

Night: Clear. Lows in the mid 50s. Southeast winds around 5 mph.

Jonesboro, IL

Today
Sunny
85°/ 58° 29°/ 14°
0%
Friday
Sunny
85°/ 62° 29°/ 17°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
90%
Sunday
Rain Showers
72°22°
50%
Sun Night
Clear
60°16°
0%
Mon Night
Clear
60°16°
0%
Tue-Tue Night
Clear
78°26°
0%
Wednesday
Sunny
75°24°
0%

Day: Sunny. Highs in the mid 80s. East winds around 5 mph.

Night: Clear. Lows in the upper 50s. East winds around 5 mph.

Cape Girardeau, MO

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
85°/ 60° 29°/ 16°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
90%
Sunday
Rain Showers
75°24°
40%
Sun Night
Clear
58°14°
0%
Mon Night
Clear
58°14°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%

Day: Sunny. Highs in the mid 80s. North winds around 5 mph, becoming east around 5 mph this afternoon.

Night: Clear. Lows in the mid 50s. East winds around 5 mph.

McLeansboro, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 60° 31°/ 16°
0%
Saturday
Rain Showers
82°/ 58° 28°/ 14°
90%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
60%
Columbus Day And Mon Night
Clear
85°29°
0%
Tue-Tue Night
Clear
78°26°
0%
Wednesday
Sunny
75°24°
0%

Day: Sunny. Highs in the mid 80s. Southeast winds around 5 mph, becoming east this afternoon.

Night: Clear. Lows in the mid 50s. Calm winds, becoming southeast around 5 mph after midnight.

Vienna, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
85°/ 60° 29°/ 16°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
90%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
50%
Columbus Day And Mon Night
Clear
85°29°
0%
Tue-Tue Night
Clear
78°26°
0%
Wednesday
Sunny
75°24°
0%

Day: Sunny. Highs in the mid 80s. East winds around 5 mph.

Night: Clear. Lows in the mid 50s. Calm winds, becoming east around 5 mph after midnight.

Harrisburg, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 60° 31°/ 16°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
90%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
70%
Columbus Day And Mon Night
Clear
85°29°
0%
Tue-Tue Night
Clear
78°26°
0%
Wednesday
Sunny
75°24°
0%

Day: Sunny. Highs in the mid 80s. East winds around 5 mph.

Night: Clear. Lows in the mid 50s. Calm winds.

Marble Hill, MO

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
85°/ 58° 29°/ 14°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
80%
Sunday
Rain Showers
75°24°
30%
Sun Night
Clear
58°14°
0%
Mon Night
Clear
58°14°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%

Day: Sunny. Highs in the mid 80s. Northeast winds around 5 mph.

Night: Clear. Lows in the mid 50s. East winds around 5 mph in the evening, becoming light and variable.

Fairfield, IL

Today
Sunny
85°/ 52° 29°/ 11°
0%
Friday
Sunny
88°/ 58° 31°/ 14°
0%
Saturday
Mostly Cloudy
82°/ 58° 28°/ 14°
90%
Sunday
Rain Showers
72°/ 55° 22°/ 13°
50%
Columbus Day And Mon Night
Clear
85°29°
0%
Tuesday
Clear
75°24°
0%
Wednesday
Clear
75°24°
0%

Day: Sunny. Highs in the mid 80s. Northeast winds around 5 mph.

Night: Clear. Lows in the lower 50s. Calm winds.

Cairo, IL

Today
Sunny
85°/ 58° 29°/ 14°
0%
Friday
Sunny
88°/ 62° 31°/ 17°
0%
Saturday
Rain Showers
78°/ 60° 26°/ 16°
90%
Sunday
Rain Showers
75°24°
40%
Sun Night
Clear
62°17°
0%
Mon Night
Clear
62°17°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%

Day: Sunny. Highs in the mid 80s. Northeast winds around 5 mph.

Night: Clear. Lows in the upper 50s. East winds around 5 mph.

Mound City, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 62° 31°/ 17°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
90%
Sunday
Rain Showers
72°22°
50%
Sun Night
Clear
60°16°
0%
Mon Night
Clear
60°16°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%

Day: Sunny. Highs in the mid 80s. Northeast winds around 5 mph.

Night: Clear. Lows in the mid 50s. Calm winds.

Golconda, IL

Today
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Sunny
88°/ 62° 31°/ 17°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
100%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
70%
Columbus Day And Mon Night
Clear
85°29°
0%
Tue-Tue Night
Clear
78°26°
0%
Wednesday
Sunny
75°24°
0%

Day: Sunny. Highs in the lower 80s. Northeast winds around 5 mph.

Night: Clear. Lows in the mid 50s. Calm winds, becoming east around 5 mph after midnight.

Sikeston, MO

Today
Sunny
85°/ 58° 29°/ 14°
0%
Friday
Sunny
88°/ 62° 31°/ 17°
0%
Saturday
Rain Showers
78°/ 60° 26°/ 16°
90%
Sunday
Rain Showers
75°24°
40%
Sun Night
Clear
62°17°
0%
Mon Night
Clear
62°17°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%

Day: Sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph.

Night: Clear. Lows in the upper 50s. East winds around 5 mph.

Carmi, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 60° 31°/ 16°
0%
Saturday
Rain Showers
80°/ 58° 27°/ 14°
90%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
60%
Columbus Day And Mon Night
Clear
85°29°
0%
Tue-Tue Night
Clear
78°26°
0%
Wednesday
Sunny
75°24°
0%

Day: Sunny. Highs in the mid 80s. South winds around 5 mph, becoming east this afternoon.

Night: Clear. Lows in the mid 50s. Calm winds.

Metropolis, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 60° 31°/ 16°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
90%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
50%
Columbus Day Through Tue
Clear
82°/ 52° 28°/ 11°
0%

Day: Sunny. Highs in the mid 80s. Northeast winds around 5 mph.

Night: Clear. Lows in the mid 50s. East winds around 5 mph.

Shawneetown, IL

Today
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
88°/ 60° 31°/ 16°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
90%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
60%
Columbus Day And Mon Night
Clear
85°29°
0%
Tue-Tue Night
Clear
78°26°
0%
Wednesday
Sunny
75°24°
0%

Day: Sunny. Highs in the mid 80s. South winds around 5 mph, becoming east around 5 mph this afternoon.

Night: Clear. Lows in the mid 50s. East winds around 5 mph.

Names listed above may include county names.

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