Sims, IL Weather Forecast & Current Conditions

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Sims, IL Weather Maps

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Sims Weather Map
UTC Time: 10/2/2026, 14:40
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Sims, IL Regional Weather

Expires:202610021500;;412988
ASUS43 KLOT 021410
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CDT FRI OCT 02 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.


ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-021500-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     LGT RAIN  64  64 100 N10       30.10R FOG     TC  18   
CAIRO*         CLOUDY    72  72 100 CALM      30.06R VSB 1   TC  22   
EFFINGHAM*     CLOUDY    63  61  93 N7        30.16R TC  17           
MARION         LGT RAIN  64  64 100 N17       30.09R FOG     TC  18   
MT. VERNON     CLOUDY    64  61  90 NE8       30.12R TC  18           
CENTRALIA*     CLOUDY    64  61  88 N7G16     30.13R TC  18           
SALEM*         CLOUDY    65  62  89 MISG      30.13R TC  18           
METROPOLIS*    RAIN      70  70  98 CALM      30.06S TC  21           
$$


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

Sims, IL

Today
Rain Showers
72°/ 50° 22°/ 10°
90%
Saturday
Sunny
75°/ 48° 24°/ 9°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Cloudy. Showers, mainly this morning. Much cooler with highs in the lower 70s. North winds 5 to 10 mph. Chance of rain 90 percent.

Night: Partly cloudy. Cooler. Less humid with lows around 50. Northeast winds 5 to 10 mph.

McLeansboro, IL

Today
Rain Showers
68°/ 52° 20°/ 11°
100%
Saturday
Sunny
75°/ 50° 24°/ 10°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Showers, mainly this morning. Much cooler. Near steady temperature in the upper 60s. North winds 10 to 15 mph. Chance of rain near 100 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler. Less humid with lows in the lower 50s. Northeast winds 5 to 10 mph.

Mount Vernon, IL

Today
Rain Showers
72°/ 48° 22°/ 9°
90%
Saturday
Sunny
75°/ 48° 24°/ 9°
0%
Sunday
Sunny
78°/ 48° 26°/ 9°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
80°27°
0%
Thursday
Sunny
82°28°
0%

Day: Cloudy. Showers, mainly this morning. Much cooler with highs in the lower 70s. North winds 10 to 15 mph. Chance of rain 90 percent.

Night: Partly cloudy. Cooler. Less humid with lows in the upper 40s. Northeast winds 5 to 10 mph.

Carmi, IL

Today
Rain Showers
68°/ 52° 20°/ 11°
100%
Saturday
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Showers, mainly this morning. Much cooler. Near steady temperature in the upper 60s. North winds 10 to 15 mph. Chance of rain near 100 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler. Less humid with lows in the lower 50s. Northeast winds 5 to 10 mph.

West Frankfort, IL

Today
Rain Showers
68°/ 52° 20°/ 11°
90%
Saturday
Sunny
75°/ 50° 24°/ 10°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
80°27°
0%
Thursday
Sunny
82°28°
0%

Day: Cloudy. Showers, mainly this morning. Much cooler. Near steady temperature in the upper 60s. North winds 10 to 15 mph. Chance of rain 90 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler. Less humid with lows in the lower 50s. Northeast winds 5 to 10 mph.

Albion, IL

Today
Rain Showers
68°/ 52° 20°/ 11°
90%
Saturday
Sunny
75°/ 50° 24°/ 10°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Cloudy. Showers, mainly this morning. Much cooler. Near steady temperature in the upper 60s. North winds 10 to 15 mph. Chance of rain 90 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler. Less humid with lows in the lower 50s. Northeast winds 5 to 10 mph.

Harrisburg, IL

Today
Rain Showers
72°/ 52° 22°/ 11°
100%
Saturday
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Showers. Much cooler with highs in the lower 70s. North winds 5 to 10 mph. Chance of rain near 100 percent.

Night: Mostly cloudy. Cooler. Less humid with lows in the lower 50s. Northeast winds 5 to 10 mph.

Mount Carmel, IL

Today
Rain Showers
68°/ 52° 20°/ 11°
90%
Saturday
Sunny
75°/ 50° 24°/ 10°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Cloudy. Showers, mainly this morning. Much cooler. Near steady temperature in the upper 60s. North winds 10 to 15 mph. Chance of rain 90 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler. Less humid with lows in the lower 50s. Northeast winds around 10 mph.

Shawneetown, IL

Today
Rain Showers
72°/ 52° 22°/ 11°
100%
Saturday
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Showers. Much cooler with highs in the lower 70s. North winds 5 to 10 mph. Chance of rain near 100 percent.

Night: Mostly cloudy. Cooler. Less humid with lows in the lower 50s. Northeast winds 5 to 10 mph.

Poseyville, IN

Today
Rain Showers
68°/ 52° 20°/ 11°
100%
Saturday
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Showers. Much cooler. Near steady temperature in the upper 60s. North winds 5 to 10 mph. Chance of rain near 100 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler. Less humid with lows in the lower 50s. Northeast winds 5 to 10 mph.

Herrin, IL

Today
Rain Showers
68°/ 52° 20°/ 11°
100%
Saturday
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Clear
72°22°
0%
Tuesday
Clear
72°/ 48° 22°/ 9°
0%
Wed Night
Clear
48°9°
0%
Thursday
Sunny
82°28°
0%

Day: Showers, mainly this morning. Much cooler. Near steady temperature in the upper 60s. North winds 5 to 10 mph. Chance of rain near 100 percent.

Night: Mostly cloudy. Cooler. Less humid with lows in the lower 50s. Northeast winds 5 to 10 mph.

Pinckneyville, IL

Today
Rain Showers
72°/ 52° 22°/ 11°
90%
Saturday
Sunny
75°/ 50° 24°/ 10°
0%
Sunday
Sunny
78°/ 50° 26°/ 10°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Cloudy. Showers, mainly this morning. Much cooler with highs in the lower 70s. North winds around 10 mph. Chance of rain 90 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the lower 50s. Northeast winds 5 to 10 mph.

Fort Branch, IN

Today
Rain Showers
70°/ 52° 21°/ 11°
100%
Saturday
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Showers, mainly this morning. Much cooler with highs around 70. North winds 5 to 10 mph. Chance of rain near 100 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler. Less humid with lows in the lower 50s. Northeast winds 5 to 10 mph.

Carbondale, IL

Today
Rain Showers
68°/ 52° 20°/ 11°
100%
Saturday
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Showers, mainly this morning. Much cooler. Near steady temperature in the upper 60s. North winds 5 to 10 mph. Chance of rain near 100 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler with lows in the lower 50s. Northeast winds 5 to 10 mph.

Morganfield, KY

Today
Rain Showers
70°/ 55° 21°/ 13°
100%
Saturday
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Sunny
75°/ 52° 24°/ 11°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Showers. Much cooler. Near steady temperature around 70. Northwest winds 5 to 10 mph, becoming north this afternoon. Chance of rain near 100 percent.

Night: Mostly cloudy. A slight chance of showers in the evening. Cooler. Less humid with lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Golconda, IL

Today
Thunderstorms
70°/ 55° 21°/ 13°
100%
Saturday
Sunny
75°/ 55° 24°/ 13°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Showers with a slight chance of thunderstorms this morning, then showers likely this afternoon. Much cooler. Near steady temperature around 70. North winds 5 to 10 mph. Chance of rain near 100 percent.

Night: Mostly cloudy. A slight chance of showers in the evening. Cooler. Less humid with lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Elizabethtown, IL

Today
Rain Showers
68°/ 55° 20°/ 13°
100%
Saturday
Sunny
72°/ 52° 22°/ 11°
0%
Sunday
Sunny
75°/ 52° 24°/ 11°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
80°27°
0%

Day: Showers, cooler. Near steady temperature in the upper 60s. Northwest winds 5 to 10 mph, becoming north this afternoon. Chance of rain near 100 percent.

Night: Mostly cloudy. A chance of showers in the evening. Cooler. Less humid with lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 30 percent.

Evansville, IN

Today
Rain Showers
70°/ 55° 21°/ 13°
100%
Saturday
Sunny
75°/ 55° 24°/ 13°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Monday
Clear
72°22°
0%
Tue Night
Clear
72°22°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Sunny
82°28°
0%

Day: Showers. Much cooler. Near steady temperature around 70. Northwest winds 5 to 10 mph, becoming north this afternoon. Chance of rain near 100 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Cooler. Less humid with lows in the mid 50s. Northeast winds 5 to 10 mph.

Vienna, IL

Today
Thunderstorms
68°/ 55° 20°/ 13°
100%
Saturday
Sunny
75°/ 52° 24°/ 11°
0%
Sunday
Sunny
78°/ 52° 26°/ 11°
0%
Monday
Clear
72°22°
0%
Tuesday
Clear
72°/ 45° 22°/ 7°
0%
Wed Night
Clear
52°11°
0%
Thursday
Sunny
82°28°
0%

Day: Showers with a slight chance of thunderstorms this morning, then showers likely this afternoon. Much cooler. Near steady temperature in the upper 60s. North winds 5 to 10 mph. Chance of rain near 100 percent.

Night: Mostly cloudy. A slight chance of showers in the evening. Cooler. Less humid with lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Vincennes, IN

Today
Rain Showers
70°/ 50° 21°/ 10°
50%
Saturday
Sunny
72°/ 48° 22°/ 9°
0%
Sunday
Sunny
75°24°
0%
Sun Night-Mon
Clear
50°10°
0%
Mon Night
Clear
45°7°
0%
Tue Night
Clear
45°7°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%

Day: Mostly cloudy. A chance of showers through early afternoon, then a slight chance of showers late this afternoon. Not as warm with highs around 70. North winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Night: Partly cloudy through the late overnight, then clearing. Much cooler. Less humid with lows around 50. Northeast winds 5 to 10 mph.

Names listed above may include county names.

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