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Gatch Lake, IL Weather Forecast & Current Conditions

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Gatch Lake, IL Weather Maps

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Gatch Lake Weather Map
UTC Time: 10/21/2026, 06:42
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Gatch Lake, IL Regional Weather

Expires:202610210700;;922387
ASUS43 KLOT 210610
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT WED OCT 21 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>094-210700-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLEAR     46  45  96 CALM      30.27S FOG     TC   8   
6HR MIN TEMP:  46; 6HR MAX TEMP:  62;                                

CAIRO*         CLEAR     47  47  99 CALM      30.27S TC   9           
EFFINGHAM*     CLEAR     45  44  94 CALM      30.30S TC   7           
MARION         CLEAR     48  48 100 W1        30.27S TC   9           
MT. VERNON     CLEAR     42  41  96 CALM      30.28S TC   6           
CENTRALIA*     CLEAR     45  44  97 CALM      30.28S TC   7           
SALEM*         CLEAR     48  45  88 MISG      30.28S TC   9           
METROPOLIS*    CLEAR     46  46  98 CALM      30.27S TC   8           
$$


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

Gatch Lake, IL

Overnight
Clear
48°9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Saturday
Sunny
75°/ 48° 24°/ 9°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Mon-Mon Night
Mostly Cloudy
75°24°
0%
Tuesday
Sunny
68°20°
0%

Night: Clear. Near steady temperature in the upper 40s. Light and variable winds.

Centralia, IL

Overnight
Clear
48°9°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Saturday
Sunny
75°/ 48° 24°/ 9°
0%
Sunday
Sunny
78°/ 48° 26°/ 9°
0%
Mon-Mon Night
Mostly Cloudy
75°24°
0%
Tuesday
Partly Cloudy
68°20°
0%

Night: Mostly clear. Near steady temperature in the upper 40s. Light and variable winds.

Effingham, IL

Tonight
Clear
42°6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Saturday
Cloudy
75°24°
0%
Sun Night
Cloudy
75°24°
0%
Mon-Mon Night
Mostly Cloudy
75°24°
0%
Tuesday
Partly Cloudy
65°18°
0%

Night: Clear. Lows in the lower 40s. Light and variable winds.

Litchfield, IL

Overnight
Clear
48°9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Saturday
Sunny
75°/ 48° 24°/ 9°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Mon-Mon Night
Mostly Cloudy
75°24°
0%
Tuesday
Sunny
68°20°
0%

Night: Clear. Near steady temperature in the upper 40s. Light and variable winds.

Flora, IL

Tonight
Clear
45°7°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Saturday
Cloudy
75°24°
0%
Sun Night
Cloudy
75°24°
0%
Mon-Mon Night
Mostly Cloudy
75°24°
0%
Tuesday
Partly Cloudy
68°20°
0%

Night: Clear. Near steady temperature in the mid 40s. Light and variable winds.

Shelbyville, IL

Tonight
Clear
42°6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Saturday
Cloudy
75°24°
0%
Sun Night
Cloudy
75°24°
0%
Mon-Mon Night
Mostly Cloudy
72°22°
0%
Tuesday
Sunny
65°18°
0%

Night: Clear. Lows in the lower 40s. Light and variable winds.

Fairfield, IL

Tonight
Clear
42°6°
0%
Wednesday
Sunny
75°/ 45° 24°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Sat Night
Cloudy
48°9°
0%
Sun Night
Cloudy
48°9°
0%
Monday
Mostly Cloudy
72°22°
0%
Tuesday
Mostly Cloudy
72°22°
0%

Night: Clear. Lows in the lower 40s. Calm winds.

Mount Vernon, IL

Tonight
Clear
42°6°
0%
Wednesday
Sunny
75°/ 45° 24°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Sat Night
Cloudy
48°9°
0%
Sun Night
Cloudy
48°9°
0%
Monday
Mostly Cloudy
72°22°
0%
Tuesday
Mostly Cloudy
72°22°
0%

Night: Clear. Lows in the lower 40s. Calm winds.

Taylorville, IL

Tonight
Clear
45°7°
0%
Wednesday
Sunny
75°/ 45° 24°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
75°/ 48° 24°/ 9°
0%
Saturday
Cloudy
78°26°
0%
Sunday
Cloudy
78°26°
0%
Sun Night
Mostly Cloudy
48°9°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Tuesday
Sunny
65°18°
0%

Night: Clear. Lows in the mid 40s. Light and variable winds.

Greenup, IL

Tonight
Clear
42°6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Saturday
Cloudy
75°24°
0%
Sun Night
Cloudy
75°24°
0%
Mon-Mon Night
Mostly Cloudy
75°24°
0%
Tuesday
Sunny
65°18°
0%

Night: Clear. Lows in the lower 40s. Light and variable winds.

Newton, IL

Tonight
Clear
42°6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Saturday
Cloudy
75°24°
0%
Sun Night
Cloudy
75°24°
0%
Mon-Mon Night
Mostly Cloudy
75°24°
0%
Tuesday
Partly Cloudy
68°20°
0%

Night: Clear. Lows in the lower 40s. Light and variable winds.

Alton, IL

Overnight
Clear
48°9°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
75°/ 48° 24°/ 9°
0%
Saturday
Sunny
78°/ 50° 26°/ 10°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Mon-Mon Night
Mostly Cloudy
75°24°
0%
Tuesday
Partly Cloudy
68°20°
0%

Night: Clear. Near steady temperature in the upper 40s. Light and variable winds.

Olney, IL

Tonight
Clear
45°7°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Fri-Fri Night
Clear
72°22°
0%
Saturday
Cloudy
75°24°
0%
Sun Night
Cloudy
75°24°
0%
Mon-Mon Night
Mostly Cloudy
75°24°
0%
Tuesday
Partly Cloudy
68°20°
0%

Night: Clear. Lows in the mid 40s. Light and variable winds.

Greene County, IL

Overnight
Clear
45°7°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
75°/ 48° 24°/ 9°
0%
Saturday
Sunny
78°/ 50° 26°/ 10°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Mon-Mon Night
Mostly Cloudy
72°22°
0%
Tuesday
Sunny
68°20°
0%

Night: Clear. Lows in the mid 40s. Light and variable winds, becoming southeast around 5 mph.

Sullivan, IL

Tonight
Clear
42°6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Saturday
Cloudy
75°24°
0%
Sun Night
Cloudy
75°24°
0%
Mon-Mon Night
Mostly Cloudy
72°22°
0%
Tuesday
Sunny
65°18°
0%

Night: Clear. Lows in the lower 40s. Light and variable winds.

Charleston, IL

Tonight
Clear
42°6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Saturday
Cloudy
75°24°
0%
Sun Night
Cloudy
75°24°
0%
Mon-Mon Night
Mostly Cloudy
72°22°
0%
Tuesday
Sunny
65°18°
0%

Night: Clear. Lows in the lower 40s. Light and variable winds.

McLeansboro, IL

Tonight
Clear
42°6°
0%
Wednesday
Sunny
75°/ 45° 24°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Sat Night
Cloudy
48°9°
0%
Tuesday
Cloudy
48°9°
0%
Monday
Cloudy
48°9°
0%
Mon Night-Tue
Mostly Cloudy
48°9°
0%

Night: Clear. Lows in the lower 40s. Calm winds.

Pinckneyville, IL

Tonight
Clear
45°7°
0%
Wednesday
Sunny
75°/ 45° 24°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Sat Night-Sun
Cloudy
48°9°
0%
Sun Night
Mostly Cloudy
48°9°
0%
Wednesday
Mostly Cloudy
48°9°
0%
Tuesday
Mostly Cloudy
48°9°
0%

Night: Clear. Lows in the mid 40s. Northwest winds around 5 mph this evening, becoming light and variable.

West Frankfort, IL

Tonight
Clear
45°7°
0%
Wednesday
Sunny
75°/ 45° 24°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Sat Night
Cloudy
48°9°
0%
Sun Night
Cloudy
48°9°
0%
Monday
Mostly Cloudy
72°22°
0%
Tuesday
Mostly Cloudy
72°22°
0%

Night: Clear. Lows in the mid 40s. Calm winds.

Albion, IL

Tonight
Clear
42°6°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
72°/ 45° 22°/ 7°
0%
Sat Night
Cloudy
48°9°
0%
Tuesday
Cloudy
48°9°
0%
Monday
Cloudy
48°9°
0%
Mon Night
Mostly Cloudy
50°10°
0%
Tuesday
Sunny
68°20°
0%

Night: Clear. Lows in the lower 40s. Calm winds.

Names listed above may include county names.

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