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Leeper Lake, IL Weather Forecast & Current Conditions

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Leeper Lake, IL Weather Maps

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Leeper Lake Weather Map
UTC Time: 10/22/2026, 05:51
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Leeper Lake, IL Regional Weather

Expires:202610220600;;975343
ASUS43 KLOT 220510
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT THU OCT 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.


ILZ025>027-034>036-040-047-049-050-058-095>099-220600-
WEST-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLEAR     56  46  69 CALM      30.23S TC  13           
GALESBURG*     CLEAR     49  49  99 CALM      30.25S TC   9           
MACOMB*        CLEAR     50  47  92 CALM      30.26S TC  10           
JACKSONVILLE*  CLEAR     49  44  85 CALM      30.23S TC   9           
PITTSFIELD*    CLEAR     50  47  90 CALM      30.24S TC  10           
$$


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

Leeper Lake, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
78°/ 48° 26°/ 9°
0%
Sat-Sat Night
Cloudy
75°24°
0%
Sunday
Mostly Cloudy
78°26°
0%
Mon Night
Mostly Cloudy
78°26°
0%
Tue-Tue Night
Mostly Cloudy
68°20°
0%
Wednesday
Sunny
70°21°
0%

Night: Mostly clear. Lows in the upper 40s. Light and variable winds.

Havana, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
75°/ 48° 24°/ 9°
0%
Sat-Sat Night
Cloudy
75°24°
0%
Sunday
Mostly Cloudy
78°26°
0%
Mon Night
Mostly Cloudy
78°26°
0%
Tue-Tue Night
Mostly Cloudy
68°20°
0%
Wednesday
Sunny
68°20°
0%

Night: Mostly clear. Lows in the upper 40s. Light and variable winds.

Rushville, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
75°/ 50° 24°/ 10°
0%
Saturday
Sunny
75°24°
0%
Sat Night
Mostly Cloudy
50°10°
0%
Tuesday
Mostly Cloudy
50°/ 68° 10°/ 20°
0%
Mon Night
Mostly Cloudy
50°10°
0%
Wednesday
Sunny
68°20°
0%

Night: Mostly clear. Lows in the upper 40s. Light and variable winds.

Petersburg, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
78°/ 48° 26°/ 9°
0%
Friday
Sunny
78°/ 48° 26°/ 9°
0%
Sat-Sat Night
Cloudy
75°24°
0%
Sunday
Mostly Cloudy
78°26°
0%
Mon Night
Mostly Cloudy
78°26°
0%
Tue-Tue Night
Mostly Cloudy
68°20°
0%
Wednesday
Sunny
70°21°
0%

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

Jacksonville, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
78°/ 48° 26°/ 9°
0%
Friday
Sunny
78°/ 48° 26°/ 9°
0%
Sat-Sat Night
Cloudy
75°24°
0%
Sunday
Mostly Cloudy
78°26°
0%
Mon Night
Mostly Cloudy
78°26°
0%
Tue-Tue Night
Mostly Cloudy
68°20°
0%
Wednesday
Sunny
72°22°
0%

Night: Mostly clear. Lows in the upper 40s. Light and variable winds.

Canton, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
75°/ 48° 24°/ 9°
0%
Saturday
Sunny
75°24°
0%
Sat Night
Mostly Cloudy
48°9°
0%
Tuesday
Mostly Cloudy
48°/ 68° 9°/ 20°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Wednesday
Sunny
68°20°
0%

Night: Mostly clear. Lows in the upper 40s. Light and variable winds.

Springfield, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
78°/ 48° 26°/ 9°
0%
Friday
Sunny
75°/ 48° 24°/ 9°
0%
Sat-Sat Night
Cloudy
75°24°
0%
Sunday
Mostly Cloudy
78°26°
0%
Mon Night
Mostly Cloudy
78°26°
0%
Tue-Tue Night
Mostly Cloudy
70°21°
0%
Wednesday
Sunny
72°22°
0%

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

Quincy, IL

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

Night: Mostly clear. Lows in the upper 40s. Light and variable winds.

Winchester, IL

Tonight
Clear
45°7°
0%
Thursday
Sunny
78°/ 48° 26°/ 9°
0%
Friday
Sunny
78°/ 48° 26°/ 9°
0%
Saturday
Sunny
75°24°
0%
Sat Night
Mostly Cloudy
48°9°
0%
Tuesday
Mostly Cloudy
48°/ 68° 9°/ 20°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Wednesday
Sunny
72°22°
0%

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

Lincoln, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
75°/ 48° 24°/ 9°
0%
Sat-Sat Night
Cloudy
75°24°
0%
Sunday
Mostly Cloudy
78°26°
0%
Mon Night
Mostly Cloudy
78°26°
0%
Tue-Tue Night
Mostly Cloudy
68°20°
0%
Wednesday
Sunny
68°20°
0%

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

Macomb, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
75°/ 52° 24°/ 11°
0%
Saturday
Sunny
75°24°
0%
Sat Night
Mostly Cloudy
50°10°
0%
Tuesday
Mostly Cloudy
50°/ 65° 10°/ 18°
0%
Mon Night
Mostly Cloudy
50°10°
0%
Wednesday
Sunny
68°20°
0%

Night: Mostly clear. Lows in the upper 40s. Light and variable winds.

Pekin, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
75°/ 48° 24°/ 9°
0%
Sat-Sat Night
Cloudy
75°24°
0%
Sunday
Mostly Cloudy
75°24°
0%
Mon Night
Mostly Cloudy
75°24°
0%
Tue-Tue Night
Mostly Cloudy
68°20°
0%
Wednesday
Sunny
68°20°
0%

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

Peoria, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
75°/ 50° 24°/ 10°
0%
Saturday
Sunny
75°24°
0%
Sat Night
Mostly Cloudy
50°10°
0%
Tuesday
Mostly Cloudy
50°/ 65° 10°/ 18°
0%
Mon Night
Mostly Cloudy
50°10°
0%
Wednesday
Sunny
68°20°
0%

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

Greene County, IL

Overnight
Clear
45°7°
0%
Thursday
Sunny
78°/ 48° 26°/ 9°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Saturday
Sunny
75°24°
0%
Sat Night
Mostly Cloudy
48°9°
0%
Tuesday
Mostly Cloudy
48°/ 70° 9°/ 21°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Wednesday
Sunny
72°22°
0%

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

Carthage, IL

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

Night: Mostly clear. Lows in the upper 40s. Light and variable winds.

Taylorville, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Sat-Sat Night
Cloudy
75°24°
0%
Sunday
Mostly Cloudy
78°26°
0%
Mon Night
Mostly Cloudy
78°26°
0%
Tue-Tue Night
Mostly Cloudy
70°21°
0%
Wednesday
Sunny
70°21°
0%

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

Galesburg, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
75°/ 50° 24°/ 10°
0%
Saturday
Mostly Cloudy
75°24°
0%
Tuesday
Mostly Cloudy
75°/ 65° 24°/ 18°
0%
Mon Night
Mostly Cloudy
75°24°
0%
Wednesday
Sunny
68°20°
0%

Night: Mostly clear. Lows in the upper 40s. Light and variable winds.

Monmouth, IL

Tonight
Clear
48°9°
0%
Thursday
Sunny
75°/ 48° 24°/ 9°
0%
Friday
Sunny
75°/ 52° 24°/ 11°
0%
Saturday
Mostly Cloudy
75°24°
0%
Tuesday
Mostly Cloudy
75°24°
0%
Mon Night
Mostly Cloudy
75°24°
0%
Tuesday
Mostly Cloudy
65°18°
0%
Wednesday
Mostly Cloudy
65°18°
0%

Night: Mostly clear. Lows in the upper 40s. Light and variable winds.

Litchfield, IL

Overnight
Clear
45°7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Sat-Sat Night
Cloudy
75°24°
0%
Sunday
Mostly Cloudy
78°26°
0%
Mon Night
Mostly Cloudy
78°26°
0%
Tue-Tue Night
Mostly Cloudy
70°21°
0%
Wednesday
Sunny
70°21°
0%

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

Decatur, IL

Tonight
Clear
45°7°
0%
Thursday
Sunny
75°/ 45° 24°/ 7°
0%
Friday
Sunny
75°/ 45° 24°/ 7°
0%
Sat-Sat Night
Cloudy
75°24°
0%
Sunday
Mostly Cloudy
78°26°
0%
Mon Night
Mostly Cloudy
78°26°
0%
Tue-Tue Night
Mostly Cloudy
68°20°
0%
Wednesday
Sunny
68°20°
0%

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

Names listed above may include county names.

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