Plainville, IL Weather Forecast & Current Conditions

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Plainville Weather Map
UTC Time: 9/16/2026, 12:14
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Plainville, IL Regional Weather

Expires:202609161300;;545086
ASUS43 KLOT 161210
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM CDT WED SEP 16 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>099-161300-
WEST-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    69  68  96 E5        30.24R TC  21           
GALESBURG*     DRIZZLE   67  67 100 CALM      30.26R TC  19           
MACOMB*        LGT RAIN  69  69 100 CALM      30.27R TC  21           
JACKSONVILLE*  CLOUDY    69  69 100 CALM      30.23R TC  21           
PITTSFIELD*    MOCLDY    71  70  98 CALM      30.26R TC  22           
$$


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

Adams, MO

Today
Thunderstorms
85°/ 72° 29°/ 22°
50%
Thursday
Thunderstorms
88°/ 68° 31°/ 20°
20%
Friday
Thunderstorms
88°/ 72° 31°/ 22°
20%
Saturday
Thunderstorms
90°/ 68° 32°/ 20°
70%
Sunday
Thunderstorms
82°/ 65° 28°/ 18°
50%
Monday
Thunderstorms
75°/ 60° 24°/ 16°
50%
Tuesday
Rain Showers
75°24°
30%

Day: Mostly cloudy with a chance of showers and thunderstorms this morning, then partly sunny with a slight chance of showers and thunderstorms this afternoon. Highs in the mid 80s. East winds around 5 mph. Chance of rain 50 percent.

Night: Partly cloudy. Humid with lows in the lower 70s. East winds around 5 mph, becoming southeast after midnight.

Winchester, IL

Today
Thunderstorms
92°/ 70° 33°/ 21°
80%
Thursday
Thunderstorms
92°/ 68° 33°/ 20°
30%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Partly Cloudy
92°/ 68° 33°/ 20°
60%
Sunday
Rain Showers
85°29°
50%
Sun Night-Mon
Rain Showers
65°18°
30%
Mon Night-Tue
Cloudy
60°16°
0%

Day: Mostly cloudy this morning, then becoming partly sunny. A slight chance of thunderstorms. Showers, mainly this morning. Highs in the lower 90s. East winds around 5 mph. Chance of rain 80 percent. Heat index values up to 102 this afternoon.

Night: Partly cloudy in the evening, then becoming mostly clear. Humid with lows around 70. East winds around 5 mph, becoming southeast after midnight.

Rushville, IL

Today
Thunderstorms
85°/ 68° 29°/ 20°
80%
Thursday
Thunderstorms
88°/ 68° 31°/ 20°
40%
Friday
Rain Showers
88°/ 70° 31°/ 21°
40%
Saturday
Partly Cloudy
88°/ 68° 31°/ 20°
70%
Sunday
Rain Showers
80°/ 62° 27°/ 17°
70%
Monday
Rain Showers
75°/ 60° 24°/ 16°
50%
Tuesday
Rain Showers
75°24°
30%

Day: Mostly cloudy. Showers with a chance of thunderstorms this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the mid 80s. East winds around 5 mph. Chance of rain 80 percent.

Night: Partly cloudy. Humid with lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable.

Jacksonville, IL

Today
Thunderstorms
90°/ 70° 32°/ 21°
70%
Thursday
Thunderstorms
92°/ 68° 33°/ 20°
40%
Friday
Sunny
90°/ 70° 32°/ 21°
0%
Saturday
Partly Cloudy
92°/ 68° 33°/ 20°
60%
Sunday
Rain Showers
85°29°
50%
Sun Night-Mon
Rain Showers
65°18°
40%
Mon Night-Tue
Cloudy
60°16°
0%

Day: Mostly cloudy this morning, then becoming partly sunny. A slight chance of thunderstorms. Showers likely, mainly this morning. Highs around 90. East winds around 5 mph. Chance of rain 70 percent.

Night: Mostly clear. Humid with lows around 70. East winds around 5 mph, becoming southeast after midnight.

Audrain, MO

Today
Thunderstorms
90°/ 72° 32°/ 22°
20%
Thursday
Sunny
92°/ 70° 33°/ 21°
0%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Thunderstorms
92°/ 68° 33°/ 20°
50%
Sun-Sun Night
Thunderstorms
85°29°
50%
Monday
Thunderstorms
78°/ 60° 26°/ 16°
50%
Tuesday
Rain Showers
75°24°
30%

Day: Mostly cloudy this morning, then clearing. A slight chance of showers and thunderstorms. Highs around 90. East winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 this afternoon.

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

Greene, IL

Today
Thunderstorms
92°/ 72° 33°/ 22°
50%
Thursday
Sunny
95°/ 70° 35°/ 21°
0%
Friday
Thunderstorms
92°/ 72° 33°/ 22°
20%
Saturday
Sunny
95°/ 68° 35°/ 20°
50%
Sunday
Thunderstorms
88°31°
50%
Sun Night-Mon
Thunderstorms
65°18°
40%
Mon Night
Rain Showers
62°17°
30%
Tuesday
Rain Showers
80°27°
20%

Day: Partly sunny. A chance of showers and thunderstorms, mainly this morning. Highs in the lower 90s. East winds around 5 mph, becoming north this afternoon. Chance of rain 50 percent. Heat index values up to 102 this afternoon.

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

Montgomery, MO

Today
Thunderstorms
92°/ 72° 33°/ 22°
40%
Thursday
Sunny
95°/ 70° 35°/ 21°
0%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Sunny
95°/ 68° 35°/ 20°
50%
Sunday
Thunderstorms
88°31°
50%
Sun Night-Mon
Thunderstorms
65°18°
40%
Mon Night
Rain Showers
62°17°
40%
Tuesday
Rain Showers
78°26°
20%

Day: Mostly cloudy with a chance of showers and thunderstorms this morning, then mostly sunny with a slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Northeast winds around 5 mph. Chance of rain 40 percent. Heat index values up to 104 this afternoon.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the lower 70s. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Beardstown, IL

Today
Thunderstorms
88°/ 70° 31°/ 21°
70%
Thursday
Thunderstorms
88°/ 68° 31°/ 20°
40%
Friday
Rain Showers
88°/ 70° 31°/ 21°
40%
Saturday
Partly Cloudy
92°/ 68° 33°/ 20°
70%
Sunday
Rain Showers
82°28°
50%
Sun Night-Mon
Rain Showers
65°18°
40%
Mon Night-Tue
Cloudy
60°16°
0%

Day: Mostly cloudy this morning, then becoming partly sunny. A slight chance of thunderstorms. Showers likely, mainly this morning. Highs in the upper 80s. Northeast winds around 5 mph. Chance of rain 70 percent.

Night: Partly cloudy. Humid with lows around 70. Northeast winds around 5 mph, becoming southeast after midnight.

Canton, IL

Today
Thunderstorms
82°/ 68° 28°/ 20°
70%
Thursday
Thunderstorms
85°/ 68° 29°/ 20°
50%
Friday
Rain Showers
85°/ 68° 29°/ 20°
40%
Saturday
Rain Showers
88°/ 65° 31°/ 18°
70%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
50%
Monday
Rain Showers
75°/ 58° 24°/ 14°
50%
Tuesday
Rain Showers
75°24°
30%

Day: Mostly cloudy. Showers likely with a chance of thunderstorms this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Not as warm with highs in the lower 80s. Northeast winds around 5 mph. Chance of rain 70 percent.

Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Havana, IL

Today
Thunderstorms
85°/ 68° 29°/ 20°
70%
Thursday
Thunderstorms
88°/ 68° 31°/ 20°
40%
Friday
Rain Showers
88°/ 68° 31°/ 20°
40%
Saturday
Partly Cloudy
90°/ 68° 32°/ 20°
70%
Sun-Sun Night
Thunderstorms
82°28°
50%
Monday
Rain Showers
78°/ 60° 26°/ 16°
50%

Day: Mostly cloudy. Showers likely with a chance of thunderstorms this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the mid 80s. Northeast winds around 5 mph. Chance of rain 70 percent.

Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph, becoming southeast after midnight. Chance of rain 20 percent.

Warren, MO

Today
Thunderstorms
92°/ 75° 33°/ 24°
30%
Thursday
Sunny
95°/ 70° 35°/ 21°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 68° 35°/ 20°
50%
Sunday
Rain Showers
88°/ 65° 31°/ 18°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
40%
Tuesday
Rain Showers
80°27°
20%

Day: Mostly sunny. A chance of showers and thunderstorms, mainly this morning. Highs in the lower 90s. Northeast winds around 5 mph. Chance of rain 30 percent. Heat index values up to 105 this afternoon.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. Light and variable winds, becoming south around 5 mph after midnight. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Callaway, MO

Today
Thunderstorms
90°/ 72° 32°/ 22°
20%
Thursday
Sunny
92°/ 70° 33°/ 21°
0%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Thunderstorms
92°/ 68° 33°/ 20°
50%
Sun-Sun Night
Thunderstorms
85°29°
50%
Monday
Thunderstorms
78°/ 60° 26°/ 16°
50%
Tuesday
Rain Showers
75°24°
30%

Day: Mostly cloudy this morning, then clearing. A slight chance of showers and thunderstorms. Highs around 90. East winds around 5 mph. Chance of rain 20 percent. Heat index values up to 101 this afternoon.

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

Boone, MO

Today
Thunderstorms
90°/ 72° 32°/ 22°
20%
Thursday
Sunny
92°/ 72° 33°/ 22°
0%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Thunderstorms
92°/ 68° 33°/ 20°
60%
Sunday
Thunderstorms
85°/ 65° 29°/ 18°
50%
Monday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Tuesday
Rain Showers
78°26°
20%

Day: Mostly cloudy with a slight chance of showers and thunderstorms this morning, then sunny this afternoon. Highs around 90. East winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 this afternoon.

Night: Mostly clear. Humid with lows in the lower 70s. Southeast winds around 5 mph. Heat index values up to 100 early in the evening.

Springfield, IL

Today
Thunderstorms
92°/ 72° 33°/ 22°
70%
Thursday
Thunderstorms
92°/ 68° 33°/ 20°
20%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Partly Cloudy
95°/ 68° 35°/ 20°
70%
Sunday
Rain Showers
85°29°
50%
Sun Night-Mon
Rain Showers
65°18°
40%
Mon Night-Tue
Cloudy
62°17°
0%

Day: Mostly cloudy this morning, then becoming partly sunny. A slight chance of thunderstorms. Showers likely, mainly this morning. Highs in the lower 90s. East winds around 5 mph. Chance of rain 70 percent. Heat index values up to 101 this afternoon.

Night: Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the lower 70s. East winds around 5 mph, becoming south around 5 mph after midnight.

Petersburg, IL

Today
Thunderstorms
88°/ 70° 31°/ 21°
70%
Thursday
Thunderstorms
88°/ 68° 31°/ 20°
40%
Friday
Rain Showers
88°/ 70° 31°/ 21°
40%
Saturday
Partly Cloudy
92°/ 68° 33°/ 20°
70%
Sunday
Rain Showers
85°29°
50%
Sun Night-Mon
Rain Showers
65°18°
40%
Mon Night-Tue
Cloudy
60°16°
0%

Day: Mostly cloudy this morning, then becoming partly sunny. A slight chance of thunderstorms. Showers likely, mainly this morning. Highs in the upper 80s. East winds around 5 mph. Chance of rain 70 percent.

Night: Partly cloudy. Humid with lows around 70. Northeast winds around 5 mph, becoming southeast around 5 mph after midnight.

Saint Charles, MO

Today
Thunderstorms
95°/ 75° 35°/ 24°
40%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
98°/ 72° 37°/ 22°
40%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
40%
Monday
Thunderstorms
85°/ 65° 29°/ 18°
30%
Tuesday
Rain Showers
82°28°
20%

Day: Partly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. East winds around 5 mph, becoming southwest this afternoon. Chance of rain 40 percent. Heat index values up to 106.

Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 103 early in the evening.

Gasconade, MO

Today
Thunderstorms
92°/ 75° 33°/ 24°
30%
Thursday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
20%
Sunday
Rain Showers
92°/ 65° 33°/ 18°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
40%
Tuesday
Rain Showers
80°27°
30%

Day: Mostly sunny. A chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 104.

Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 100 early in the evening.

Galesburg, IL

Today
Thunderstorms
78°/ 68° 26°/ 20°
70%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
50%
Friday
Rain Showers
82°/ 68° 28°/ 20°
40%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
70%
Monday
Rain Showers
75°/ 58° 24°/ 14°
50%

Day: Mostly cloudy. Showers likely with a chance of thunderstorms this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 70s. East winds 5 to 10 mph. Chance of rain 70 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 60s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.

Franklin, MO

Today
Thunderstorms
92°/ 75° 33°/ 24°
30%
Thursday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
20%
Sunday
Rain Showers
92°/ 65° 33°/ 18°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
40%
Tuesday
Rain Showers
80°27°
30%

Day: Mostly sunny. A chance of showers and thunderstorms this afternoon. Highs in the lower 90s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 104.

Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 100 early in the evening.

Madison, IL

Today
Thunderstorms
95°/ 75° 35°/ 24°
40%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
98°/ 72° 37°/ 22°
40%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
40%
Monday
Thunderstorms
85°/ 65° 29°/ 18°
30%
Tuesday
Rain Showers
82°28°
20%

Day: Partly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. East winds around 5 mph, becoming southwest this afternoon. Chance of rain 40 percent. Heat index values up to 106.

Night: Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 103 early in the evening.

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