Marcelline, IL Weather Forecast & Current Conditions

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Marcelline Weather Map
UTC Time: 9/17/2026, 12:39
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Marcelline, IL Regional Weather

Expires:202609171300;;600321
ASUS43 KLOT 171212
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM 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>099-171300-
WEST-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLEAR     72  70  93 S7        30.18R TC  22           
GALESBURG*     MOCLDY   N/A N/A N/A NW5       30.20R FOG              
MACOMB*        MOCLDY    71  71 100 CALM      30.20S TC  22           
JACKSONVILLE*  CLEAR     74  72  92 S6        30.19R TC  24           
PITTSFIELD*    CLEAR     76  71  87 S3        30.20R TC  24           
$$


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
Sunny
92°/ 70° 33°/ 21°
0%
Friday
Thunderstorms
88°/ 72° 31°/ 22°
20%
Saturday
Partly Cloudy
92°/ 68° 33°/ 20°
60%
Sunday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Monday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Tuesday
Rain Showers
72°/ 58° 22°/ 14°
20%

Day: Sunny. Highs in the lower 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west this afternoon. Heat index values up to 103.

Night: Mostly clear in the evening, then becoming partly cloudy. Patchy fog after midnight. Humid with lows around 70. Northeast winds around 5 mph. Heat index values up to 100 early in the evening.

Rushville, IL

Today
Sunny
90°/ 68° 32°/ 20°
20%
Friday
Thunderstorms
88°/ 70° 31°/ 21°
40%
Saturday
Partly Cloudy
92°/ 68° 33°/ 20°
70%
Sunday
Thunderstorms
80°/ 62° 27°/ 17°
70%
Monday
Rain Showers
72°/ 58° 22°/ 14°
70%
Tuesday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
75°24°
0%

Day: Patchy fog this morning. Mostly sunny. Highs around 90. Southeast winds around 5 mph, becoming west around 5 mph this afternoon. Heat index values up to 102 this afternoon.

Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 20 percent.

Jacksonville, IL

Today
Sunny
95°/ 68° 35°/ 20°
0%
Friday
Thunderstorms
90°/ 70° 32°/ 21°
20%
Saturday
Partly Cloudy
92°/ 68° 33°/ 20°
50%
Sunday
Rain Showers
85°/ 62° 29°/ 17°
50%
Monday
Rain Showers
78°/ 58° 26°/ 14°
60%
Tuesday
Cloudy
78°26°
0%
Wednesday
Cloudy
78°26°
0%

Day: Patchy fog this morning. Mostly sunny. Highs in the mid 90s. West winds around 5 mph. Heat index values up to 102.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 60s. Northeast winds around 5 mph.

Winchester, IL

Today
Sunny
95°/ 70° 35°/ 21°
0%
Friday
Thunderstorms
92°/ 72° 33°/ 22°
40%
Saturday
Partly Cloudy
92°/ 68° 33°/ 20°
40%
Sunday
Thunderstorms
85°/ 65° 29°/ 18°
60%
Monday
Rain Showers
78°/ 58° 26°/ 14°
60%
Tuesday
Cloudy
75°24°
0%
Wednesday
Cloudy
75°24°
0%

Day: Patchy fog this morning. Sunny, hot with highs in the mid 90s. West winds around 5 mph. Heat index values up to 105.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows around 70. Northeast winds around 5 mph.

Beardstown, IL

Today
Sunny
92°/ 68° 33°/ 20°
20%
Friday
Thunderstorms
88°/ 70° 31°/ 21°
20%
Saturday
Partly Cloudy
92°/ 68° 33°/ 20°
50%
Sun Night
Thunderstorms
62°17°
60%
Monday
Rain Showers
75°/ 58° 24°/ 14°
60%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
75°24°
0%

Day: Patchy fog this morning. Mostly sunny. Highs in the lower 90s. Southwest winds around 5 mph. Heat index values up to 102.

Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 20 percent.

Canton, IL

Today
Mostly Cloudy
88°/ 68° 31°/ 20°
20%
Friday
Thunderstorms
85°/ 68° 29°/ 20°
30%
Saturday
Mostly Cloudy
88°/ 68° 31°/ 20°
70%
Sunday
Thunderstorms
78°/ 62° 26°/ 17°
60%
Monday
Rain Showers
70°/ 58° 21°/ 14°
60%
Tuesday
Partly Cloudy
70°/ 55° 21°/ 13°
0%

Day: Mostly cloudy this morning, then becoming mostly sunny. Patchy fog this morning. Highs in the upper 80s. East winds around 5 mph, becoming southwest around 5 mph this afternoon. Heat index values up to 100 this afternoon.

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

Audrain, MO

Today
Sunny
92°/ 68° 33°/ 20°
0%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Sunny
92°/ 68° 33°/ 20°
50%
Sunday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Monday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
20%
Wednesday
Rain Showers
75°24°
20%

Day: Sunny. Highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 101.

Night: Mostly clear. Humid with lows in the upper 60s. Northwest winds around 5 mph, becoming northeast after midnight.

Havana, IL

Today
Partly Cloudy
90°/ 68° 32°/ 20°
20%
Friday
Thunderstorms
88°/ 68° 31°/ 20°
30%
Saturday
Partly Cloudy
92°/ 68° 33°/ 20°
60%
Sunday
Rain Showers
82°/ 62° 28°/ 17°
60%
Monday
Rain Showers
72°/ 58° 22°/ 14°
60%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
75°24°
0%

Day: Patchy fog this morning. Partly sunny. Highs around 90. East winds around 5 mph, becoming southwest around 5 mph this afternoon. Heat index values up to 100.

Night: Mostly clear in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 20 percent.

Greene, IL

Today
Thunderstorms
95°/ 70° 35°/ 21°
20%
Friday
Thunderstorms
92°/ 72° 33°/ 22°
20%
Saturday
Sunny
95°/ 70° 35°/ 21°
20%
Sunday
Thunderstorms
88°/ 65° 31°/ 18°
50%
Monday
Thunderstorms
82°/ 60° 28°/ 16°
60%
Tuesday
Rain Showers
78°/ 58° 26°/ 14°
20%

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west this afternoon. Chance of rain 20 percent. Heat index values up to 105.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows around 70. West winds around 5 mph, becoming northeast after midnight. Heat index values up to 101 early in the evening.

Galesburg, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
20%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
50%
Saturday
Mostly Cloudy
88°/ 65° 31°/ 18°
70%
Sun Night
Thunderstorms
60°16°
60%
Monday
Rain Showers
68°/ 55° 20°/ 13°
60%
Tue Night-Wed
Cloudy
55°13°
0%

Day: Patchy fog this morning. Mostly cloudy with a slight chance of showers and thunderstorms this morning, then partly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. East winds around 5 mph, becoming west around 5 mph this afternoon. Chance of rain 20 percent.

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

Montgomery, MO

Today
Sunny
95°/ 70° 35°/ 21°
0%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
20%
Sunday
Thunderstorms
88°/ 65° 31°/ 18°
50%
Monday
Thunderstorms
78°/ 60° 26°/ 16°
60%
Tuesday
Rain Showers
75°/ 58° 24°/ 14°
20%

Day: Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106.

Night: Mostly clear. Humid with lows around 70. Southwest winds around 5 mph, becoming north around 5 mph after midnight. Heat index values up to 102 early in the evening.

Unionville, MO

Today
Thunderstorms
85°/ 68° 29°/ 20°
20%
Friday
Thunderstorms
85°/ 70° 29°/ 21°
20%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
60%
Sun-Sun Night
Thunderstorms
72°22°
70%
Monday
Rain Showers
68°/ 55° 20°/ 13°
50%
Tue Night-Wed
Cloudy
55°13°
0%

Day: Partly cloudy early this morning, then clearing. Areas of dense fog early this morning. A slight chance of showers and thunderstorms this morning. Highs in the mid 80s. South winds around 5 mph, becoming northwest this afternoon. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. Northeast winds 5 to 10 mph.

Petersburg, IL

Today
Sunny
92°/ 68° 33°/ 20°
30%
Friday
Thunderstorms
88°/ 70° 31°/ 21°
30%
Saturday
Partly Cloudy
92°/ 68° 33°/ 20°
50%
Sunday
Rain Showers
85°/ 62° 29°/ 17°
50%
Monday
Rain Showers
75°/ 58° 24°/ 14°
60%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
78°26°
0%

Day: Patchy fog this morning. Mostly sunny. Highs in the lower 90s. Southwest winds around 5 mph. Heat index values up to 100.

Night: Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph. Chance of rain 30 percent.

Boone, MO

Today
Sunny
95°/ 72° 35°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
92°/ 70° 33°/ 21°
50%
Sunday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Monday
Thunderstorms
75°/ 60° 24°/ 16°
70%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Rain Showers
78°26°
20%

Day: Sunny. Highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west this afternoon. Heat index values up to 104.

Night: Mostly clear. Humid with lows in the lower 70s. East winds around 5 mph. Heat index values up to 102 early in the evening.

Springfield, IL

Today
Sunny
95°/ 70° 35°/ 21°
20%
Friday
Thunderstorms
90°/ 70° 32°/ 21°
30%
Saturday
Partly Cloudy
95°/ 70° 35°/ 21°
50%
Sunday
Rain Showers
85°/ 65° 29°/ 18°
50%
Monday
Rain Showers
78°/ 58° 26°/ 14°
60%
Tuesday
Cloudy
78°26°
0%
Wednesday
Cloudy
78°26°
0%

Day: Patchy fog this morning. Mostly sunny. Hot with highs in the mid 90s. West winds around 5 mph. Heat index values up to 103.

Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows around 70. Northeast winds around 5 mph. Chance of rain 20 percent.

Brookfield, MO

Today
Sunny
88°/ 68° 31°/ 20°
0%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Partly Cloudy
90°/ 68° 32°/ 20°
60%
Sunday
Thunderstorms
78°/ 62° 26°/ 17°
80%
Monday
Rain Showers
72°/ 55° 22°/ 13°
50%
Tuesday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Wednesday
Partly Cloudy
75°24°
0%

Day: Mostly sunny. Highs in the upper 80s. South winds around 5 mph, becoming west this afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. Northeast winds around 5 mph.

Warren, MO

Today
Sunny
95°/ 70° 35°/ 21°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
20%
Sun Night
Thunderstorms
65°18°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Tuesday
Rain Showers
78°/ 58° 26°/ 14°
20%

Day: Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 107 this afternoon.

Night: Mostly clear. Humid with lows around 70. Southwest winds around 5 mph, becoming north after midnight. Heat index values up to 103 early in the evening.

Callaway, MO

Today
Sunny
95°/ 70° 35°/ 21°
0%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Sunny
92°/ 68° 33°/ 20°
20%
Sunday
Thunderstorms
88°31°
30%
Sun Night-Mon
Thunderstorms
65°18°
70%
Mon Night
Rain Showers
60°16°
50%
Tuesday
Rain Showers
75°/ 58° 24°/ 14°
20%

Day: Sunny. Highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 104.

Night: Mostly clear. Humid with lows around 70. South winds around 5 mph, becoming east around 5 mph after midnight. Heat index values up to 100 early in the evening.

Peoria, IL

Today
Thunderstorms
85°/ 65° 29°/ 18°
20%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
50%
Saturday
Mostly Cloudy
88°/ 68° 31°/ 20°
70%
Sun Night
Thunderstorms
62°17°
60%
Monday
Rain Showers
70°/ 58° 21°/ 14°
60%
Tue Night-Wed
Cloudy
55°13°
0%

Day: Patchy fog this morning. Mostly cloudy with a slight chance of showers and thunderstorms this morning, then partly sunny this afternoon. Highs in the mid 80s. East winds around 5 mph, becoming west this afternoon. Chance of rain 20 percent.

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

Pekin, IL

Today
Thunderstorms
88°/ 68° 31°/ 20°
20%
Friday
Thunderstorms
85°/ 68° 29°/ 20°
40%
Saturday
Mostly Cloudy
90°/ 68° 32°/ 20°
70%
Sunday
Thunderstorms
78°26°
50%
Sun Night-Mon
Thunderstorms
62°17°
60%
Mon Night
Rain Showers
58°14°
40%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
0%

Day: Patchy fog this morning. Mostly cloudy with a slight chance of showers and thunderstorms this morning, then mostly sunny this afternoon. Highs in the upper 80s. East winds around 5 mph, becoming west this afternoon. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Names listed above may include county names.

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