Simpson Pond, IL Weather Forecast & Current Conditions

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Simpson Pond, IL Weather Maps

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Simpson Pond Weather Map
UTC Time: 11/12/2026, 09:32
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Simpson Pond, IL Regional Weather

Expires:202611121000;;686138
ASUS43 KLOT 120910
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CST THU NOV 12 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.


ILZ079-100>102-121000-
SOUTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    46  44  91 W5        29.91S TC   8           
BELLEVILLE     CLOUDY    47  46  93 NW5       29.88S TC   9           
CAHOKIA*       CLOUDY    47  43  86 CALM      29.90F TC   8           
SPARTA*        CLOUDY    46  45  97 W5        29.92R 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

Simpson Pond, IL

Tonight
Cloudy
42°6°
0%
Thursday
Rain Showers
55°/ 32° 13°/ 0°
20%
Friday
Sunny
45°/ 25° 7°/ -4°
0%
Saturday
Sunny
48°/ 25° 9°/ -4°
0%
Sunday
Sunny
52°11°
0%
Sun Night
Clear
28°-2°
0%
Mon Night
Clear
28°-2°
0%
Tue-Tue Night
Clear
55°13°
0%
Wednesday
Sunny
60°16°
0%

Night: Partly cloudy. Lows in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph.

Monroe County, IL

Tonight
Cloudy
42°6°
0%
Thursday
Rain Showers
52°/ 32° 11°/ 0°
20%
Friday
Sunny
45°/ 25° 7°/ -4°
0%
Saturday
Sunny
48°/ 25° 9°/ -4°
0%
Sunday
Sunny
52°11°
0%
Sun Night
Clear
25°-4°
0%
Mon Night
Clear
25°-4°
0%
Tue-Tue Night
Clear
55°13°
0%
Wednesday
Sunny
60°16°
0%

Night: Partly cloudy. Lows in the lower 40s. Northwest winds around 5 mph.

Alton, IL

Tonight
Cloudy
45°7°
0%
Thursday
Rain Showers
52°/ 32° 11°/ 0°
20%
Friday
Sunny
45°/ 25° 7°/ -4°
0%
Saturday
Sunny
48°9°
0%
Sat Night
Clear
28°-2°
0%
Tuesday
Clear
28°/ 55° -2°/ 13°
0%
Mon Night
Clear
28°-2°
0%
Wednesday
Sunny
58°14°
0%

Night: Partly cloudy. Near steady temperature in the mid 40s. Northwest winds 5 to 10 mph.

Perryville, MO

Overnight
Clear
42°6°
0%
Thursday
Sprinkles
55°/ 28° 13°/ -2°
0%
Friday
Partly Cloudy
48°/ 25° 9°/ -4°
0%
Saturday
Sunny
48°/ 25° 9°/ -4°
0%
Sunday
Sunny
52°11°
0%
Sun Night
Clear
25°-4°
0%
Mon Night
Clear
25°-4°
0%
Tue-Tue Night
Clear
55°13°
0%
Wednesday
Sunny
60°16°
0%

Night: Mostly clear. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Centralia, IL

Tonight
Cloudy
42°6°
0%
Thursday
Rain Showers
52°/ 32° 11°/ 0°
20%
Friday
Sunny
45°/ 25° 7°/ -4°
0%
Saturday
Sunny
48°9°
0%
Sat Night
Clear
25°-4°
0%
Tuesday
Clear
25°/ 55° -4°/ 13°
0%
Mon Night
Clear
25°-4°
0%
Wednesday
Sunny
58°14°
0%

Night: Partly cloudy. Lows in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph.

Pinckneyville, IL

Overnight
Clear
42°6°
0%
Thursday
Rain Showers
55°/ 30° 13°/ -1°
20%
Friday
Sunny
45°/ 25° 7°/ -4°
0%
Saturday
Sunny
48°9°
0%
Sat Night
Clear
25°-4°
0%
Wednesday
Clear
25°-4°
0%
Thursday
Clear
25°-4°
0%
Tuesday
Clear
25°-4°
0%
Tue Night
Clear
28°-2°
0%
Wednesday
Sunny
58°14°
0%

Night: Mostly clear. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Litchfield, IL

Tonight
Cloudy
42°6°
0%
Thursday
Rain Showers
48°/ 30° 9°/ -1°
20%
Friday
Sunny
45°/ 25° 7°/ -4°
0%
Saturday
Sunny
48°9°
0%
Sat Night
Clear
25°-4°
0%
Tuesday
Clear
25°/ 55° -4°/ 13°
0%
Mon Night
Clear
25°-4°
0%
Wednesday
Sunny
58°14°
0%

Night: Partly cloudy. Near steady temperature in the lower 40s. Northwest winds around 5 mph with gusts up to 20 mph.

Jefferson County, MO

Tonight
Cloudy
42°6°
0%
Thursday
Rain Showers
52°/ 32° 11°/ 0°
20%
Friday
Sunny
45°/ 25° 7°/ -4°
0%
Saturday
Sunny
48°/ 25° 9°/ -4°
0%
Sunday
Sunny
52°11°
0%
Sun Night
Clear
25°-4°
0%
Mon Night
Clear
25°-4°
0%
Tue-Tue Night
Clear
55°13°
0%
Wednesday
Sunny
60°16°
0%

Night: Partly cloudy. Lows in the lower 40s. Northwest winds around 5 mph.

Farmington, MO

Tonight
Cloudy
42°6°
0%
Thursday
Sunny
55°/ 30° 13°/ -1°
0%
Friday
Sunny
48°/ 22° 9°/ -6°
0%
Saturday
Sunny
48°/ 25° 9°/ -4°
0%
Sun Night
Cloudy
25°-4°
0%
Mon-Mon Night
Clear
55°13°
0%
Tue-Tue Night
Clear
55°13°
0%
Wednesday
Sunny
60°16°
0%

Night: Partly cloudy. Lows in the lower 40s. Northwest winds around 5 mph with gusts up to 20 mph.

Carbondale, IL

Overnight
Clear
42°6°
0%
Thursday
Sprinkles
55°/ 30° 13°/ -1°
0%
Friday
Partly Cloudy
48°/ 25° 9°/ -4°
0%
Saturday
Sunny
48°9°
0%
Sat Night
Clear
28°-2°
0%
Wednesday
Clear
28°-2°
0%
Thursday
Clear
28°-2°
0%
Tuesday
Clear
28°-2°
0%
Tue Night
Clear
28°-2°
0%
Wednesday
Sunny
60°16°
0%

Night: Mostly clear. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Alton, MO

Tonight
Cloudy
45°7°
0%
Thursday
Rain Showers
52°/ 32° 11°/ 0°
20%
Friday
Sunny
45°/ 25° 7°/ -4°
0%
Saturday
Sunny
48°9°
0%
Sat Night
Clear
28°-2°
0%
Tuesday
Clear
28°/ 55° -2°/ 13°
0%
Mon Night
Clear
28°-2°
0%
Wednesday
Sunny
58°14°
0%

Night: Partly cloudy. Near steady temperature in the mid 40s. Northwest winds 5 to 10 mph.

Washington, MO

Tonight
Mostly Cloudy
42°6°
0%
Thursday
Sunny
52°/ 28° 11°/ -2°
0%
Friday
Partly Cloudy
45°/ 22° 7°/ -6°
0%
Saturday
Sunny
48°/ 25° 9°/ -4°
0%
Sun Night
Clear
25°-4°
0%
Mon Night
Clear
25°-4°
0%
Tue-Tue Night
Clear
58°14°
0%
Wednesday
Sunny
62°17°
0%

Night: Mostly cloudy. Lows in the lower 40s. Northwest winds around 5 mph.

Cape Girardeau, MO

Overnight
Clear
42°6°
0%
Thursday
Sunny
55°/ 30° 13°/ -1°
0%
Friday
Partly Cloudy
48°/ 25° 9°/ -4°
0%
Saturday
Sunny
48°/ 25° 9°/ -4°
0%
Sun-Sun Night
Cloudy
52°11°
0%
Monday
Clear
55°13°
0%
Tuesday
Clear
55°/ 28° 13°/ -2°
0%
Wednesday
Sunny
58°14°
0%

Night: Mostly clear. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Marble Hill, MO

Overnight
Clear
42°6°
0%
Thursday
Sunny
58°/ 28° 14°/ -2°
0%
Friday
Sunny
48°/ 25° 9°/ -4°
0%
Saturday
Sunny
50°/ 25° 10°/ -4°
0%
Sun Night
Cloudy
25°-4°
0%
Mon-Mon Night
Clear
55°13°
0%
Tue-Tue Night
Clear
55°13°
0%
Wednesday
Sunny
60°16°
0%

Night: Mostly clear. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Mount Vernon, IL

Overnight
Clear
42°6°
0%
Thursday
Rain Showers
52°/ 32° 11°/ 0°
20%
Friday
Sunny
45°/ 25° 7°/ -4°
0%
Saturday
Sunny
48°9°
0%
Sat Night
Clear
25°-4°
0%
Tuesday
Clear
25°/ 55° -4°/ 13°
0%
Mon Night
Clear
25°-4°
0%
Wednesday
Sunny
58°14°
0%

Night: Mostly clear. Lows in the lower 40s. Northwest winds 5 to 10 mph.

West Frankfort, IL

Overnight
Clear
42°6°
0%
Thursday
Rain Showers
55°/ 32° 13°/ 0°
20%
Friday
Sunny
48°/ 28° 9°/ -2°
0%
Saturday
Sunny
48°9°
0%
Sat Night
Clear
28°-2°
0%
Wednesday
Clear
28°-2°
0%
Thursday
Clear
28°-2°
0%
Tuesday
Clear
28°-2°
0%
Tue Night
Clear
28°-2°
0%
Wednesday
Sunny
60°16°
0%

Night: Mostly clear. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Herrin, IL

Overnight
Clear
42°6°
0%
Thursday
Rain Showers
55°/ 32° 13°/ 0°
20%
Friday
Sunny
48°/ 25° 9°/ -4°
0%
Saturday
Sunny
48°9°
0%
Sat Night
Clear
28°-2°
0%
Wednesday
Clear
28°-2°
0%
Thursday
Clear
28°-2°
0%
Tuesday
Clear
28°-2°
0%
Tue Night
Clear
30°-1°
0%
Wednesday
Sunny
60°16°
0%

Night: Mostly clear. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Jonesboro, IL

Overnight
Clear
42°6°
0%
Thursday
Sprinkles
55°/ 32° 13°/ 0°
0%
Friday
Partly Cloudy
48°/ 28° 9°/ -2°
0%
Saturday
Sunny
48°/ 25° 9°/ -4°
0%
Sunday
Sunny
52°11°
0%
Sun Night
Clear
28°-2°
0%
Wednesday
Clear
28°-2°
0%
Tuesday
Clear
28°-2°
0%
Tue Night
Clear
30°-1°
0%
Wednesday
Sunny
58°14°
0%

Night: Mostly clear. Lows in the lower 40s. Northwest winds 5 to 10 mph.

Piedmont, MO

Overnight
Clear
40°4°
0%
Thursday
Sunny
58°/ 28° 14°/ -2°
0%
Friday
Sunny
48°/ 22° 9°/ -6°
0%
Saturday
Sunny
52°/ 25° 11°/ -4°
0%
Sun Night
Cloudy
25°-4°
0%
Mon-Mon Night
Clear
55°13°
0%
Tue-Tue Night
Clear
58°14°
0%
Wednesday
Sunny
62°17°
0%

Night: Mostly clear. Lows around 40. Northwest winds 5 to 10 mph.

Greene County, IL

Tonight
Cloudy
42°6°
0%
Thursday
Rain Showers
48°/ 28° 9°/ -2°
20%
Friday
Sunny
45°/ 22° 7°/ -6°
0%
Saturday
Sunny
45°7°
0%
Sat Night
Clear
25°-4°
0%
Tuesday
Clear
25°/ 55° -4°/ 13°
0%
Mon Night
Clear
25°-4°
0%
Wednesday
Sunny
58°14°
0%

Night: Partly cloudy. Near steady temperature in the lower 40s. Northwest winds 5 to 10 mph.

Names listed above may include county names.

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