Upper Flat Pond, IL Weather Forecast & Current Conditions

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Upper Flat Pond, IL Weather Maps

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Upper Flat Pond Weather Map
UTC Time: 9/18/2026, 03:53
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Upper Flat Pond, IL Regional Weather

Expires:202609180400;;633924
ASUS43 KLOT 180310
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 PM CDT THU SEP 17 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>099-180400-
WEST-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLEAR     78  75  90 N6        30.18R HX  81  TC  26   
GALESBURG*     CLOUDY    73  72  97 N13       30.23R TC  23           
MACOMB*        CLEAR     76  76 100 N13       30.22R TC  24           
JACKSONVILLE*  CLEAR     76  73  91 CALM      30.17S TC  25           
PITTSFIELD*    CLEAR     84  73  70 N5        30.18S HX  90  TC  29   
$$


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

Upper Flat Pond, IL

Tonight
Thunderstorms
72°22°
20%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Partly Cloudy
95°/ 70° 35°/ 21°
20%
Sun-Sun Night
Thunderstorms
90°32°
50%
Monday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
20%
Wednesday
Cloudy
78°26°
0%
Thursday
Cloudy
78°26°
0%

Night: Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the lower 70s. West winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.

Montgomery, MO

Tonight
Thunderstorms
72°22°
20%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Partly Cloudy
95°/ 70° 35°/ 21°
20%
Sunday
Thunderstorms
88°31°
40%
Sun Night-Mon
Thunderstorms
65°18°
60%
Mon Night-Tue
Rain Showers
58°14°
20%
Tue Night
Cloudy
55°13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

Night: Mostly clear. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. West winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.

Greene, IL

Tonight
Thunderstorms
72°22°
20%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Partly Cloudy
95°/ 70° 35°/ 21°
20%
Sun-Sun Night
Thunderstorms
90°32°
50%
Monday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
20%
Wednesday
Cloudy
78°26°
0%
Thursday
Cloudy
78°26°
0%

Night: Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the lower 70s. West winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.

Saint Charles, MO

Tonight
Thunderstorms
72°22°
20%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 20 percent. Heat index values up to 101 early this evening.

Adams, MO

Tonight
Thunderstorms
72°22°
20%
Friday
Thunderstorms
90°/ 72° 32°/ 22°
40%
Saturday
Thunderstorms
92°/ 70° 33°/ 21°
50%
Sun-Sun Night
Thunderstorms
82°28°
70%
Monday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
20%
Wed Night
Cloudy
58°14°
0%
Thursday
Rain Showers
75°24°
20%

Night: Mostly clear with a slight chance of showers and thunderstorms this evening, then mostly cloudy after midnight. Lows in the lower 70s. North winds around 5 mph. Gusts up to 20 mph after midnight. Chance of rain 20 percent.

Saint Louis, MO

Tonight
Thunderstorms
72°22°
20%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 20 percent. Heat index values up to 101 early this evening.

Warren, MO

Tonight
Thunderstorms
72°22°
20%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Partly Cloudy
95°/ 70° 35°/ 21°
0%
Sunday
Thunderstorms
90°/ 65° 32°/ 18°
50%
Monday
Thunderstorms
80°/ 60° 27°/ 16°
60%
Tue Night
Cloudy
58°14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southwest winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.

Madison, IL

Tonight
Thunderstorms
72°22°
20%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 20 percent. Heat index values up to 101 early this evening.

Franklin, MO

Tonight
Thunderstorms
72°22°
20%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Rain Showers
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Tuesday
Rain Showers
75°/ 55° 24°/ 13°
20%
Wednesday
Cloudy
78°26°
0%
Thursday
Cloudy
78°26°
0%

Night: Partly cloudy with a slight chance of showers and thunderstorms this evening, then clear after midnight. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 20 percent.

Saint Louis City, MO

Tonight
Thunderstorms
72°22°
20%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 20 percent. Heat index values up to 101 early this evening.

Saint Clair, IL

Tonight
Thunderstorms
72°22°
20%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 20 percent. Heat index values up to 101 early this evening.

Winchester, IL

Tonight
Cloudy
72°22°
0%
Friday
Thunderstorms
92°/ 72° 33°/ 22°
20%
Saturday
Partly Cloudy
92°/ 70° 33°/ 21°
0%
Sunday
Thunderstorms
85°29°
50%
Sun Night-Mon
Thunderstorms
65°18°
60%
Mon Night
Mostly Cloudy
55°13°
0%
Tuesday
Mostly Cloudy
55°13°
0%
Wednesday
Mostly Cloudy
55°/ 55° 13°/ 13°
0%

Night: Mostly clear this evening, then becoming partly cloudy. Lows in the lower 70s. North winds around 5 mph.

Monroe, MO

Tonight
Thunderstorms
72°22°
20%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Partly Cloudy
98°/ 72° 37°/ 22°
0%
Sunday
Rain Showers
95°/ 68° 35°/ 20°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
60%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southwest winds around 5 mph, becoming west after midnight. Chance of rain 20 percent.

Jacksonville, IL

Tonight
Cloudy
72°22°
0%
Friday
Thunderstorms
90°/ 70° 32°/ 21°
20%
Saturday
Partly Cloudy
92°/ 70° 33°/ 21°
40%
Sunday
Thunderstorms
85°/ 65° 29°/ 18°
60%
Monday
Rain Showers
75°/ 55° 24°/ 13°
60%
Tue Night
Mostly Cloudy
55°13°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Night: Mostly clear this evening, then becoming partly cloudy. Lows in the lower 70s. Northwest winds around 5 mph, becoming northeast around 5 mph after midnight.

Gasconade, MO

Tonight
Thunderstorms
72°22°
20%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Rain Showers
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Tuesday
Rain Showers
75°/ 55° 24°/ 13°
20%
Wednesday
Cloudy
78°26°
0%
Thursday
Cloudy
78°26°
0%

Night: Partly cloudy with a slight chance of showers and thunderstorms this evening, then clear after midnight. Lows in the lower 70s. Southwest winds around 5 mph. Chance of rain 20 percent.

Monroe, IL

Tonight
Thunderstorms
72°22°
20%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Partly Cloudy
98°/ 72° 37°/ 22°
0%
Sunday
Rain Showers
95°/ 68° 35°/ 20°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
60%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. A slight chance of showers and thunderstorms this evening. Lows in the lower 70s. Southwest winds around 5 mph, becoming west after midnight. Chance of rain 20 percent.

Audrain, MO

Tonight
Clear
72°22°
0%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Mostly Cloudy
92°/ 68° 33°/ 20°
20%
Sunday
Thunderstorms
85°29°
50%
Sun Night-Mon
Thunderstorms
65°18°
70%
Mon Night-Tue
Rain Showers
58°14°
20%
Tue Night
Cloudy
55°13°
0%
Wed Night
Cloudy
55°13°
0%
Thursday
Rain Showers
75°24°
20%

Night: Mostly clear. Lows in the lower 70s. Northwest winds around 5 mph, becoming northeast around 5 mph after midnight.

Montgomery, IL

Tonight
Thunderstorms
72°22°
20%
Friday
Thunderstorms
92°/ 70° 33°/ 21°
20%
Saturday
Sunny
95°/ 70° 35°/ 21°
0%
Sunday
Thunderstorms
92°33°
20%
Sun Night-Mon
Thunderstorms
65°18°
50%
Mon Night
Thunderstorms
58°14°
20%
Tuesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

Night: Partly cloudy with a slight chance of showers and thunderstorms this evening, then mostly clear after midnight. Lows in the lower 70s. Southwest winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.

Callaway, MO

Tonight
Clear
72°22°
0%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Mostly Cloudy
95°/ 70° 35°/ 21°
20%
Sunday
Thunderstorms
88°31°
30%
Sun Night-Mon
Thunderstorms
65°18°
70%
Mon Night-Tue
Rain Showers
60°16°
20%
Tue Night
Cloudy
55°13°
0%
Wed Night
Cloudy
55°13°
0%
Thursday
Rain Showers
78°26°
20%

Night: Mostly clear. Lows in the lower 70s. Northeast winds around 5 mph. Heat index values up to 100 early this evening.

Springfield, IL

Tonight
Cloudy
72°22°
0%
Friday
Thunderstorms
90°/ 70° 32°/ 21°
20%
Saturday
Sunny
92°/ 70° 33°/ 21°
40%
Sun-Sun Night
Thunderstorms
88°31°
50%
Monday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Tue Night
Mostly Cloudy
58°14°
0%
Wednesday
Cloudy
78°26°
0%
Thursday
Cloudy
78°26°
0%

Night: Mostly clear this evening, then becoming partly cloudy. Lows in the lower 70s. Northwest winds around 5 mph, becoming northeast after midnight.

Names listed above may include county names.

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