Mesa Lake, IL Weather Forecast & Current Conditions

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Mesa Lake, IL Weather Maps

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Mesa Lake Weather Map
UTC Time: 10/11/2026, 21:33
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Mesa Lake, IL Regional Weather

Expires:202610112200;;934467
ASUS43 KLOT 112112
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT SUN OCT 11 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.


ILZ067-068-072-073-078-083-087-091-112200-
SOUTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  SUNNY     80  58  46 NW8       29.95F HX  80  TC  27   
FLORA*         SUNNY     84  54  34 W7        29.96F HX  83  TC  29   
FAIRFIELD*     SUNNY     83  49  31 CALM      29.96F HX  81  TC  28   
HARRISBURG*    SUNNY     83  54  36 NW7       29.98S HX  82  TC  29   
ROBINSON*      LGT RAIN  81  57  44 NW8       29.95S HX  81  TC  27   
$$

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

Mesa Lake, IL

Afternoon
Sunny
78°/ 58° 26°/ 14°
0%
Columbus Day
Sunny
90°32°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 68° 33°/ 20°
30%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Thursday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Friday
Mostly Cloudy
68°/ 40° 20°/ 4°
0%
Saturday
Sunny
58°14°
0%

Day: Sunny. Near steady temperature in the upper 70s. Northwest winds around 5 mph.

Night: Mostly clear. Lows in the upper 50s. Calm winds, becoming south around 5 mph after midnight.

Albion, IL

Afternoon
Sunny
80°/ 58° 27°/ 14°
0%
Columbus Day
Sunny
90°32°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 68° 33°/ 20°
30%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
80%
Thursday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Friday
Partly Cloudy
68°/ 40° 20°/ 4°
0%
Saturday
Sunny
58°14°
0%

Day: Sunny. Near steady temperature around 80. Northwest winds around 5 mph.

Night: Mostly clear. Lows in the upper 50s. Calm winds, becoming south around 5 mph after midnight.

Fort Branch, IN

Afternoon
Sunny
78°/ 58° 26°/ 14°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 68° 33°/ 20°
30%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Thursday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Friday
Mostly Cloudy
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
58°14°
0%

Day: Sunny. Near steady temperature in the upper 70s. Northwest winds 5 to 10 mph.

Night: Mostly clear. Lows in the upper 50s. Southwest winds around 5 mph.

Fairfield, IL

Afternoon
Sunny
82°/ 58° 28°/ 14°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 68° 33°/ 20°
30%
Wednesday
Thunderstorms
85°/ 62° 29°/ 17°
90%
Thursday
Thunderstorms
78°/ 55° 26°/ 13°
70%
Friday
Mostly Cloudy
68°/ 38° 20°/ 3°
0%
Saturday
Sunny
60°16°
0%

Day: Sunny. Near steady temperature in the lower 80s. Northwest winds around 5 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Calm winds, becoming south around 5 mph after midnight.

Vincennes, IN

Tonight
Clear
55°13°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 68° 33°/ 20°
50%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Thursday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Fri-Fri Night
Cloudy
68°20°
0%
Sat-Sat Night
Clear
58°14°
0%
Sunday
Sunny
65°18°
0%

Night: Mostly clear. Lows in the mid 50s. Northwest winds 5 to 10 mph, becoming south.

Poseyville, IN

Afternoon
Sunny
78°/ 58° 26°/ 14°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 68° 33°/ 20°
0%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Thursday
Thunderstorms
82°/ 58° 28°/ 14°
60%
Friday
Partly Cloudy
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
58°14°
0%

Day: Sunny. Near steady temperature in the upper 70s. Northwest winds 5 to 10 mph.

Night: Mostly clear. Lows in the upper 50s. West winds around 5 mph, becoming south after midnight.

Carmi, IL

Afternoon
Sunny
82°/ 58° 28°/ 14°
0%
Columbus Day
Sunny
90°32°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 70° 33°/ 21°
0%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Thursday
Thunderstorms
82°/ 58° 28°/ 14°
60%
Friday
Partly Cloudy
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
60°16°
0%

Day: Sunny. Near steady temperature in the lower 80s. Northwest winds around 5 mph.

Night: Mostly clear. Lows in the upper 50s. Southwest winds around 5 mph.

Petersburg, IN

Afternoon
Sunny
75°/ 55° 24°/ 13°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 68° 33°/ 20°
0%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Thursday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Friday
Mostly Cloudy
68°/ 40° 20°/ 4°
0%
Saturday
Sunny
58°14°
0%

Day: Mostly sunny. Near steady temperature in the mid 70s. Northwest winds 5 to 10 mph.

Night: Mostly clear. Lows in the mid 50s. Southwest winds around 5 mph.

Boonville, IN

Afternoon
Sunny
75°/ 55° 24°/ 13°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
90°/ 68° 32°/ 20°
0%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
60%
Thursday
Thunderstorms
80°/ 58° 27°/ 14°
50%
Friday
Mostly Cloudy
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
58°14°
0%

Day: Mostly sunny. Near steady temperature in the mid 70s. Northwest winds 5 to 10 mph.

Night: Mostly clear. Lows in the mid 50s. Southwest winds around 5 mph in the evening, becoming light and variable.

Evansville, IN

Afternoon
Sunny
78°/ 58° 26°/ 14°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
90°/ 68° 32°/ 20°
0%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Thursday
Thunderstorms
82°/ 58° 28°/ 14°
60%
Friday
Partly Cloudy
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
58°14°
0%

Day: Sunny. Near steady temperature in the upper 70s. Northwest winds 5 to 10 mph.

Night: Mostly clear. Lows in the upper 50s. Southwest winds around 5 mph.

Washington, IN

Tonight
Clear
55°13°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
90°/ 68° 32°/ 20°
20%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Thu Night
Thunderstorms
58°14°
50%
Fri-Fri Night
Cloudy
68°20°
0%
Saturday
Sunny
58°/ 35° 14°/ 2°
0%

Night: Mostly clear. Lows in the mid 50s. Northwest winds 5 to 10 mph, becoming south.

McLeansboro, IL

Afternoon
Sunny
82°/ 60° 28°/ 16°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 70° 33°/ 21°
0%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
90%
Thursday
Thunderstorms
82°/ 58° 28°/ 14°
70%
Friday
Partly Cloudy
68°/ 40° 20°/ 4°
0%

Day: Sunny. Near steady temperature in the lower 80s. Northwest winds around 5 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows around 60. Southwest winds around 5 mph.

Sullivan, IN

Tonight
Clear
55°13°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 68° 33°/ 20°
50%
Wednesday
Thunderstorms
82°/ 62° 28°/ 17°
80%
Thursday
Thunderstorms
78°/ 55° 26°/ 13°
70%
Fri-Fri Night
Cloudy
65°18°
0%
Saturday
Sunny
58°/ 35° 14°/ 2°
0%

Night: Mostly clear. Lows in the mid 50s. Northwest winds around 5 mph, becoming south.

Mount Vernon, IL

Afternoon
Sunny
82°/ 60° 28°/ 16°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
95°/ 68° 35°/ 20°
30%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
90%
Thursday
Thunderstorms
80°/ 55° 27°/ 13°
70%
Friday
Mostly Cloudy
68°/ 38° 20°/ 3°
0%

Day: Sunny. Near steady temperature in the lower 80s. Northwest winds around 5 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows around 60. Southwest winds around 5 mph.

Shawneetown, IL

Afternoon
Sunny
80°/ 58° 27°/ 14°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 70° 33°/ 21°
0%
Wed-Wed Night
Rain Showers
88°31°
70%
Thu-Thu Night
Rain Showers
82°28°
50%
Friday
Partly Cloudy
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
60°16°
0%

Day: Sunny. Near steady temperature around 80. Northwest winds 5 to 10 mph.

Night: Clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Southwest winds around 5 mph.

Jasper, IN

Tonight
Cloudy
55°13°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
62°17°
0%
Tuesday
Sunny
88°/ 68° 31°/ 20°
0%
Wednesday
Thunderstorms
85°/ 65° 29°/ 18°
60%
Thursday
Thunderstorms
78°/ 58° 26°/ 14°
50%
Friday
Thunderstorms
68°/ 38° 20°/ 3°
50%
Saturday
Sunny
58°/ 35° 14°/ 2°
0%
Sunday
Sunny
65°18°
0%

Night: Clear until early morning then becoming partly cloudy. Patchy fog late in the evening. Lows in the mid 50s. Northwest winds up to 5 mph in the evening becoming light.

Linton, IN

Tonight
Clear
55°13°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
88°/ 68° 31°/ 20°
50%
Wednesday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Thursday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Friday
Rain Showers
65°/ 38° 18°/ 3°
20%
Sat-Sat Night
Clear
58°14°
0%
Sunday
Sunny
62°17°
0%

Night: Mostly clear. Lows in the mid 50s. Northwest winds 5 to 10 mph, becoming south.

Henderson, KY

Afternoon
Sunny
78°/ 58° 26°/ 14°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
90°/ 68° 32°/ 20°
0%
Wednesday
Rain Showers
88°/ 65° 31°/ 18°
70%
Thu-Thu Night
Rain Showers
82°28°
50%
Friday
Partly Cloudy
70°/ 42° 21°/ 6°
0%
Saturday
Sunny
58°14°
0%

Day: Sunny. Near steady temperature in the upper 70s. Northwest winds 5 to 10 mph.

Night: Mostly clear. Lows in the upper 50s. Southwest winds around 5 mph.

Morganfield, KY

Afternoon
Sunny
78°/ 58° 26°/ 14°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
90°/ 68° 32°/ 20°
0%
Wed-Wed Night
Rain Showers
88°31°
70%
Thursday
Rain Showers
82°/ 58° 28°/ 14°
50%
Friday
Partly Cloudy
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
58°14°
0%

Day: Sunny. Near steady temperature in the upper 70s. Northwest winds 5 to 10 mph.

Night: Mostly clear. Lows in the upper 50s. Southwest winds around 5 mph.

Loogootee, IN

Tonight
Clear
55°13°
0%
Columbus Day
Sunny
85°29°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
88°/ 68° 31°/ 20°
20%
Wednesday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Thu Night
Thunderstorms
58°14°
50%
Fri-Fri Night
Cloudy
65°18°
0%
Sat-Sat Night
Clear
58°14°
0%
Sunday
Sunny
65°18°
0%

Night: Mostly clear. Lows in the mid 50s. Northwest winds around 5 mph, becoming south.

Names listed above may include county names.

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