Marrisa, IL Weather Forecast & Current Conditions

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Marrisa, IL Weather Maps

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Marrisa Weather Map
UTC Time: 9/22/2026, 17:39
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Marrisa, IL Regional Weather

Expires:202609221800;;880031
ASUS43 KLOT 221710
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 PM CDT TUE SEP 22 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>102-221800-
SOUTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    66  57  72 E10       30.20S TC  19           
CAHOKIA*       CLOUDY    67  57  70 NE8       30.20S TC  19           
SPARTA*        CLOUDY    64  57  79 E6        30.21S TC  18           
$$


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

Marrisa, IL

Today
Drizzle
75°/ 58° 24°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Fri Night
Mostly Cloudy
55°13°
0%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
20%
Sunday
Rain Showers
82°28°
20%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Mostly cloudy with a slight chance of very light drizzle late this morning, then partly sunny this afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Chester, IL

Today
Drizzle
75°/ 58° 24°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Fri Night
Cloudy
55°13°
0%
Saturday
Partly Cloudy
78°/ 55° 26°/ 13°
20%
Sun Night
Rain Showers
58°14°
20%
Monday
Sunny
88°31°
0%

Day: Partly sunny. A slight chance of very light drizzle late this morning. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. North winds 5 to 10 mph.

Centralia, IL

Today
Drizzle
75°/ 58° 24°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Fri Night
Cloudy
52°11°
0%
Saturday
Partly Cloudy
75°/ 55° 24°/ 13°
20%
Sunday
Partly Cloudy
82°28°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Partly sunny. A slight chance of very light drizzle late this morning. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Monroe County, IL

Today
Drizzle
75°/ 55° 24°/ 13°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Fri Night
Mostly Cloudy
55°13°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
20%
Sunday
Rain Showers
82°28°
20%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. A slight chance of very light drizzle late this morning. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. North winds 5 to 10 mph.

Pinckneyville, IL

Today
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Fri Night
Cloudy
55°13°
0%
Sat-Sat Night
Mostly Cloudy
78°26°
0%
Sunday
Cloudy
85°29°
0%
Monday
Cloudy
85°29°
0%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Chester, MO

Today
Drizzle
75°/ 58° 24°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Fri Night
Cloudy
55°13°
0%
Saturday
Partly Cloudy
78°/ 55° 26°/ 13°
20%
Sun Night
Rain Showers
58°14°
20%
Monday
Sunny
88°31°
0%

Day: Partly sunny. A slight chance of very light drizzle late this morning. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. North winds 5 to 10 mph.

Carbondale, IL

Today
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Friday
Cloudy
55°13°
0%
Saturday
Cloudy
55°/ 55° 13°/ 13°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 50s. North winds 5 to 10 mph.

Alton, IL

Today
Drizzle
75°/ 58° 24°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Fri Night
Mostly Cloudy
55°13°
0%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
20%
Sunday
Rain Showers
82°28°
20%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Mostly cloudy with a slight chance of very light drizzle late this morning, then partly sunny this afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Perryville, MO

Today
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Wednesday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Friday
Cloudy
55°13°
0%
Saturday
Cloudy
55°/ 55° 13°/ 13°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Mostly cloudy. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. North winds 5 to 10 mph.

Alton, MO

Today
Drizzle
75°/ 58° 24°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Fri Night
Mostly Cloudy
55°13°
0%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
20%
Sunday
Rain Showers
82°28°
20%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Mostly cloudy with a slight chance of very light drizzle late this morning, then partly sunny this afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Jefferson County, MO

Today
Drizzle
75°/ 55° 24°/ 13°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Fri Night
Mostly Cloudy
55°13°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
20%
Sunday
Rain Showers
82°28°
20%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. A slight chance of very light drizzle late this morning. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. North winds 5 to 10 mph.

Mount Vernon, IL

Today
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Fri Night-Sat
Cloudy
52°11°
0%
Sat Night
Mostly Cloudy
55°13°
0%
Sunday
Cloudy
82°28°
0%
Monday
Cloudy
82°28°
0%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Litchfield, IL

Today
Drizzle
75°/ 55° 24°/ 13°
0%
Wednesday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Fri Night
Cloudy
52°11°
0%
Saturday
Partly Cloudy
75°/ 52° 24°/ 11°
20%
Sunday
Partly Cloudy
80°27°
0%
Sun Night-Mon
Cloudy
55°13°
0%

Day: Mostly cloudy. A slight chance of very light drizzle late this morning. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph.

Farmington, MO

Today
Thunderstorms
78°/ 55° 26°/ 13°
20%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Fri Night
Mostly Cloudy
55°13°
0%
Saturday
Rain Showers
78°/ 55° 26°/ 13°
20%
Sunday
Rain Showers
82°28°
20%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. A slight chance of showers and thunderstorms late this morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Partly cloudy. Lows in the mid 50s. North winds 5 to 10 mph.

West Frankfort, IL

Today
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Friday
Cloudy
58°14°
0%
Saturday
Cloudy
58°/ 55° 14°/ 13°
0%
Sunday
Cloudy
85°29°
0%
Monday
Cloudy
85°29°
0%

Day: Mostly cloudy. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Herrin, IL

Today
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Wednesday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Thursday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Friday
Cloudy
58°14°
0%
Saturday
Cloudy
58°/ 55° 14°/ 13°
0%
Sunday
Cloudy
82°28°
0%
Monday
Cloudy
82°28°
0%

Day: Mostly cloudy. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Cape Girardeau, MO

Today
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Friday
Cloudy
55°13°
0%
Saturday
Cloudy
55°/ 55° 13°/ 13°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Partly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. North winds 5 to 10 mph.

Washington, MO

Today
Drizzle
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Fri Night
Mostly Cloudy
55°13°
0%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
20%
Sunday
Rain Showers
82°/ 58° 28°/ 14°
20%
Monday
Sunny
88°31°
0%

Day: Mostly cloudy. A slight chance of very light drizzle late this morning. Highs in the mid 70s. Northeast winds around 5 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds around 5 mph.

Marble Hill, MO

Today
Rain Showers
75°/ 55° 24°/ 13°
20%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Friday
Cloudy
55°13°
0%
Saturday
Cloudy
55°/ 55° 13°/ 13°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Mostly cloudy with a slight chance of showers this morning, then partly sunny this afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s. North winds 5 to 10 mph.

Greene County, IL

Today
Drizzle
72°/ 55° 22°/ 13°
0%
Wednesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Fri Night
Mostly Cloudy
52°11°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
20%
Sunday
Partly Cloudy
80°27°
0%
Sun Night-Mon
Cloudy
58°14°
0%

Day: Mostly cloudy. A slight chance of very light drizzle late this morning. Highs in the lower 70s. Northeast winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph.

Names listed above may include county names.

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