Nameoki, IL Weather Forecast & Current Conditions

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Nameoki Weather Map
UTC Time: 10/1/2026, 21:24
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Nameoki, IL Regional Weather

Expires:202610012200;;376089
ASUS43 KLOT 012111
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT THU OCT 01 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>102-012200-
SOUTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          MOSUNNY   90  63  40 SW16G22   29.85S HX  90  TC  32   
CAHOKIA*       PTSUNNY   90  61  37 S8G20     29.83F HX  90  TC  32   
SPARTA*        MOSUNNY   90  60  36 S12G18    29.88S HX  90  TC  32   
$$


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

Nameoki, IL

Afternoon
Thunderstorms
82°/ 62° 28°/ 17°
100%
Friday
Rain Showers
68°/ 50° 20°/ 10°
50%
Saturday
Sunny
72°/ 52° 22°/ 11°
0%
Sunday
Sunny
75°24°
0%
Sun Night-Mon
Clear
52°11°
0%
Mon Night-Tue
Clear
45°7°
0%
Tue Night
Clear
48°9°
0%
Wednesday
Sunny
78°26°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 80s. Temperature falling into the lower 80s late. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Showers with a chance of thunderstorms. Cooler with lows in the lower 60s. Northwest winds 5 to 10 mph, becoming north with gusts up to 20 mph after midnight. Chance of rain near 100 percent.

Alton, MO

Afternoon
Thunderstorms
82°/ 62° 28°/ 17°
100%
Friday
Rain Showers
68°/ 50° 20°/ 10°
50%
Saturday
Sunny
72°/ 52° 22°/ 11°
0%
Sunday
Sunny
75°24°
0%
Sun Night-Mon
Clear
52°11°
0%
Mon Night-Tue
Clear
45°7°
0%
Tue Night
Clear
48°9°
0%
Wednesday
Sunny
78°26°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 80s. Temperature falling into the lower 80s late. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Showers with a chance of thunderstorms. Cooler with lows in the lower 60s. Northwest winds 5 to 10 mph, becoming north with gusts up to 20 mph after midnight. Chance of rain near 100 percent.

Alton, IL

Afternoon
Thunderstorms
82°/ 62° 28°/ 17°
100%
Friday
Rain Showers
68°/ 50° 20°/ 10°
50%
Saturday
Sunny
72°/ 52° 22°/ 11°
0%
Sunday
Sunny
75°24°
0%
Sun Night-Mon
Clear
52°11°
0%
Mon Night-Tue
Clear
45°7°
0%
Tue Night
Clear
48°9°
0%
Wednesday
Sunny
78°26°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 80s. Temperature falling into the lower 80s late. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Showers with a chance of thunderstorms. Cooler with lows in the lower 60s. Northwest winds 5 to 10 mph, becoming north with gusts up to 20 mph after midnight. Chance of rain near 100 percent.

Greene County, IL

Afternoon
Thunderstorms
78°/ 58° 26°/ 14°
100%
Friday
Rain Showers
68°/ 48° 20°/ 9°
50%
Saturday
Sunny
72°/ 48° 22°/ 9°
0%
Sun Night-Mon
Clear
48°9°
0%
Mon Night-Tue
Clear
42°6°
0%
Tue Night-Wed
Clear
45°7°
0%

Day: Showers with a chance of thunderstorms. Near steady temperature in the upper 70s. Southwest winds 10 to 15 mph. Chance of rain 80 percent.

Night: Showers with a chance of thunderstorms. Cooler with lows in the upper 50s. Northwest winds 5 to 10 mph, becoming north 10 to 15 mph with gusts up to 25 mph after midnight. Chance of rain near 100 percent.

Monroe County, IL

Afternoon
Thunderstorms
88°/ 62° 31°/ 17°
100%
Friday
Thunderstorms
68°/ 50° 20°/ 10°
70%
Saturday
Sunny
72°/ 52° 22°/ 11°
0%
Sunday
Sunny
75°24°
0%
Sun Night-Mon
Clear
52°11°
0%
Mon Night-Tue
Clear
45°7°
0%
Tue Night
Clear
45°7°
0%
Wednesday
Sunny
78°26°
0%

Day: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 80s. South winds 10 to 15 mph. Chance of rain 40 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the lower 60s. West winds 5 to 10 mph, becoming north after midnight. Chance of rain near 100 percent.

Jefferson County, MO

Afternoon
Thunderstorms
88°/ 62° 31°/ 17°
100%
Friday
Thunderstorms
68°/ 50° 20°/ 10°
70%
Saturday
Sunny
72°/ 52° 22°/ 11°
0%
Sunday
Sunny
75°24°
0%
Sun Night-Mon
Clear
52°11°
0%
Mon Night-Tue
Clear
45°7°
0%
Tue Night
Clear
45°7°
0%
Wednesday
Sunny
78°26°
0%

Day: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 80s. South winds 10 to 15 mph. Chance of rain 40 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the lower 60s. West winds 5 to 10 mph, becoming north after midnight. Chance of rain near 100 percent.

Centralia, IL

Afternoon
Thunderstorms
88°/ 65° 31°/ 18°
100%
Friday
Thunderstorms
65°/ 50° 18°/ 10°
70%
Saturday
Sunny
72°/ 50° 22°/ 10°
0%
Sunday
Sunny
75°24°
0%
Sun Night-Mon
Clear
50°10°
0%
Mon Night-Tue
Clear
45°7°
0%
Tue Night-Wed
Clear
45°7°
0%

Day: Partly sunny with a slight chance of showers and thunderstorms. Near steady temperature in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Night: A slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming northwest after midnight. Chance of rain near 100 percent.

Litchfield, IL

Afternoon
Thunderstorms
85°/ 62° 29°/ 17°
100%
Friday
Rain Showers
68°/ 48° 20°/ 9°
70%
Saturday
Sunny
72°/ 48° 22°/ 9°
0%
Sun-Sun Night
Clear
75°24°
0%
Monday
Clear
72°22°
0%
Tuesday
Clear
72°/ 45° 22°/ 7°
0%

Day: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Near steady temperature in the mid 80s. Temperature falling into the mid 80s late. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Cooler with lows in the lower 60s. West winds 5 to 10 mph, becoming north with gusts up to 20 mph after midnight. Chance of rain near 100 percent.

Washington, MO

Afternoon
Thunderstorms
85°/ 62° 29°/ 17°
100%
Friday
Rain Showers
68°/ 50° 20°/ 10°
50%
Saturday
Sunny
70°/ 50° 21°/ 10°
0%
Sunday
Sunny
75°24°
0%
Sun Night-Mon
Clear
50°10°
0%
Mon Night-Tue
Clear
45°7°
0%
Tue Night-Wed
Clear
48°9°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Showers with a chance of thunderstorms. Cooler with lows in the lower 60s. West winds around 5 mph, becoming north with gusts up to 20 mph after midnight. Chance of rain near 100 percent.

Chester, IL

Afternoon
Rain Showers
88°/ 65° 31°/ 18°
90%
Friday
Thunderstorms
65°/ 52° 18°/ 11°
90%
Saturday
Sunny
72°/ 52° 22°/ 11°
0%
Sun-Sun Night
Clear
75°24°
0%
Monday
Clear
72°22°
0%
Tuesday
Clear
72°/ 48° 22°/ 9°
0%

Day: Partly sunny with a 20 percent chance of showers. Highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph.

Night: Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 90 percent.

Chester, MO

Afternoon
Rain Showers
88°/ 65° 31°/ 18°
90%
Friday
Thunderstorms
65°/ 52° 18°/ 11°
90%
Saturday
Sunny
72°/ 52° 22°/ 11°
0%
Sun-Sun Night
Clear
75°24°
0%
Monday
Clear
72°22°
0%
Tuesday
Clear
72°/ 48° 22°/ 9°
0%

Day: Partly sunny with a 20 percent chance of showers. Highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph.

Night: Cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 90 percent.

Pinckneyville, IL

Afternoon
Mostly Cloudy
88°/ 65° 31°/ 18°
90%
Friday
Rain Showers
65°/ 52° 18°/ 11°
90%
Saturday
Sunny
72°/ 52° 22°/ 11°
0%
Sun-Sun Night
Clear
75°24°
0%
Monday
Clear
72°22°
0%
Tuesday
Clear
72°/ 45° 22°/ 7°
0%

Day: Mostly cloudy. Near steady temperature in the upper 80s. Southwest winds 10 to 15 mph.

Night: Mostly cloudy. Showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 90 percent.

Quincy, MO

Afternoon
Thunderstorms
72°/ 55° 22°/ 13°
100%
Friday
Partly Cloudy
65°/ 48° 18°/ 9°
0%
Saturday
Sunny
68°/ 48° 20°/ 9°
0%
Sun Night
Clear
48°9°
0%
Mon Night
Clear
48°9°
0%
Tue-Tue Night
Clear
70°21°
0%
Wednesday
Sunny
75°24°
0%

Day: Showers with a chance of thunderstorms. Cooler. Near steady temperature in the lower 70s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Much cooler with lows in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Farmington, MO

Afternoon
Mostly Cloudy
85°/ 62° 29°/ 17°
100%
Friday
Thunderstorms
65°/ 52° 18°/ 11°
100%
Saturday
Sunny
72°/ 52° 22°/ 11°
0%
Sun-Sun Night
Clear
75°24°
0%
Monday
Clear
75°24°
0%
Tuesday
Clear
75°/ 45° 24°/ 7°
0%

Day: Mostly cloudy. Near steady temperature in the mid 80s. South winds 10 to 15 mph with gusts up to 25 mph.

Night: A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 60s. Southwest winds around 5 mph, becoming north around 5 mph after midnight. Chance of rain near 100 percent.

Quincy, IL

Afternoon
Thunderstorms
72°/ 55° 22°/ 13°
100%
Friday
Partly Cloudy
65°/ 48° 18°/ 9°
0%
Saturday
Sunny
68°/ 48° 20°/ 9°
0%
Sun Night
Clear
48°9°
0%
Mon Night
Clear
48°9°
0%
Tue-Tue Night
Clear
70°21°
0%
Wednesday
Sunny
75°24°
0%

Day: Showers with a chance of thunderstorms. Cooler. Near steady temperature in the lower 70s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Much cooler with lows in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Winchester, IL

Afternoon
Thunderstorms
75°/ 55° 24°/ 13°
100%
Friday
Rain Showers
68°/ 45° 20°/ 7°
40%
Saturday
Sunny
70°/ 48° 21°/ 9°
0%
Sun Night
Clear
45°7°
0%
Wednesday
Clear
45°7°
0%
Tuesday
Clear
45°7°
0%
Tue Night
Clear
48°9°
0%
Wednesday
Sunny
78°26°
0%

Day: Showers with a chance of thunderstorms. Near steady temperature in the mid 70s. Temperature falling into the mid 70s late. West winds 5 to 10 mph. Chance of rain 90 percent.

Night: A chance of thunderstorms. Showers. Much cooler with lows in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Jacksonville, IL

Afternoon
Thunderstorms
82°/ 55° 28°/ 13°
100%
Friday
Rain Showers
68°/ 45° 20°/ 7°
40%
Saturday
Sunny
70°/ 48° 21°/ 9°
0%
Sun Night-Mon
Clear
48°9°
0%
Mon Night-Tue
Clear
42°6°
0%
Tue Night-Wed
Clear
48°9°
0%

Day: Showers likely with a chance of thunderstorms. Highs in the lower 80s. Temperature falling into the mid 70s late. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Night: Showers with a chance of thunderstorms. Much cooler with lows in the mid 50s. North winds 10 to 15 mph. Chance of rain near 100 percent.

Springfield, IL

Afternoon
Thunderstorms
82°/ 58° 28°/ 14°
100%
Friday
Rain Showers
68°/ 48° 20°/ 9°
40%
Saturday
Sunny
72°/ 48° 22°/ 9°
0%
Sun Night
Clear
48°9°
0%
Monday
Clear
72°22°
0%
Tuesday
Clear
72°/ 45° 22°/ 7°
0%

Day: Showers likely with a chance of thunderstorms. Highs in the lower 80s. Temperature falling into the upper 70s late. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Night: Showers with a chance of thunderstorms. Cooler with lows in the upper 50s. North winds 10 to 15 mph. Chance of rain near 100 percent.

Taylorville, IL

Afternoon
Thunderstorms
88°/ 60° 31°/ 16°
100%
Friday
Rain Showers
68°/ 48° 20°/ 9°
50%
Saturday
Sunny
72°/ 48° 22°/ 9°
0%
Sun Night
Clear
48°9°
0%
Mon-Mon Night
Clear
72°22°
0%
Tue-Tue Night
Clear
72°22°
0%
Wednesday
Sunny
78°26°
0%

Day: Showers likely with a slight chance of thunderstorms. Highs in the upper 80s. Temperature falling to around 80 late. Southwest winds 10 to 15 mph. Chance of rain 70 percent.

Night: Showers with a chance of thunderstorms. Cooler with lows around 60. Northwest winds 5 to 10 mph, becoming north 10 to 15 mph after midnight. Chance of rain near 100 percent.

Mount Vernon, IL

Afternoon
Mostly Cloudy
88°/ 65° 31°/ 18°
90%
Friday
Rain Showers
70°/ 50° 21°/ 10°
90%
Saturday
Sunny
72°/ 48° 22°/ 9°
0%
Sunday
Sunny
75°24°
0%
Sun Night-Mon
Clear
50°10°
0%
Mon Night-Tue
Clear
42°6°
0%
Tue Night-Wed
Clear
45°7°
0%

Day: Mostly cloudy. Near steady temperature in the upper 80s. Southwest winds 15 to 20 mph.

Night: Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then showers after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 90 percent.

Names listed above may include county names.

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