Cave, IL Weather Forecast & Current Conditions

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Cave, IL Weather Maps

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Cave Weather Map
UTC Time: 9/21/2026, 01:24
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Cave, IL Regional Weather

Expires:202609210200;;792574
ASUS43 KLOT 210110
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
800 PM CDT SUN SEP 20 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>094-210200-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLEAR     81  64  57 CALM      29.58F HX  82  TC  27   
CAIRO*         CLEAR     80  69  69 CALM      29.87R HX  82  TC  27   
EFFINGHAM*     CLOUDY    74  73  94 CALM      29.92R TC  24           
MARION         CLEAR     84  64  51 SW2       29.86R HX  86  TC  29   
MT. VERNON     PTCLDY    79  70  74 N3        29.87R HX  82  TC  26   
CENTRALIA*     MOCLDY    79  69  70 CALM      29.87R HX  82  TC  26   
SALEM*           N/A     82  69  64 MISG      29.88R HX  86  TC  28   
METROPOLIS*    CLEAR     76  69  79 CALM      29.87R 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

Cave, IL

Afternoon
Sunny
95°/ 68° 35°/ 20°
30%
Monday
Rain Showers
85°/ 62° 29°/ 17°
40%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wed Night
Clear
55°13°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Partly Cloudy
80°27°
0%

Day: Mostly sunny. Hot. Near steady temperature in the mid 90s. West winds 5 to 10 mph.

Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. North winds around 5 mph. Chance of rain 30 percent.

Harrisburg, IL

Afternoon
Partly Cloudy
95°/ 68° 35°/ 20°
20%
Monday
Mostly Cloudy
88°/ 62° 31°/ 17°
0%
Tuesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Wed Night
Clear
55°13°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Fri-Fri Night
Cloudy
78°26°
0%
Saturday
Partly Cloudy
78°26°
0%

Day: Partly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds 5 to 10 mph.

Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. West winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.

Herrin, IL

Afternoon
Sunny
95°/ 68° 35°/ 20°
20%
Monday
Mostly Cloudy
88°/ 62° 31°/ 17°
0%
Tuesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Wed Night
Clear
55°13°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Partly Cloudy
78°26°
0%

Day: Mostly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds 5 to 10 mph.

Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. West winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.

McLeansboro, IL

Afternoon
Partly Cloudy
95°/ 68° 35°/ 20°
40%
Monday
Rain Showers
85°/ 62° 29°/ 17°
40%
Tuesday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Wed Night
Clear
55°13°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Partly Cloudy
80°27°
0%

Day: Partly sunny. Hot. Near steady temperature in the mid 90s. West winds around 10 mph.

Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 60s. North winds around 5 mph. Chance of rain 40 percent.

Mount Vernon, IL

Afternoon
Sunny
95°/ 68° 35°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Tuesday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Wed Night
Cloudy
55°13°
0%
Thursday
Cloudy
78°26°
0%
Friday
Cloudy
78°/ 55° 26°/ 13°
0%

Day: Mostly sunny. Hot. Near steady temperature in the mid 90s. West winds 5 to 10 mph.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. North winds around 5 mph. Chance of rain 50 percent.

Carmi, IL

Afternoon
Partly Cloudy
95°/ 68° 35°/ 20°
20%
Monday
Rain Showers
88°/ 62° 31°/ 17°
30%
Tuesday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%
Fri Night
Cloudy
55°13°
0%
Saturday
Partly Cloudy
80°27°
0%

Day: Partly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds 5 to 10 mph.

Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Northwest winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.

Vienna, IL

Afternoon
Sunny
92°/ 70° 33°/ 21°
0%
Monday
Mostly Cloudy
88°/ 65° 31°/ 18°
30%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wed Night
Clear
55°13°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Fri-Fri Night
Cloudy
78°26°
0%
Saturday
Partly Cloudy
78°26°
0%

Day: Mostly sunny. Hot. Near steady temperature in the lower 90s. Southwest winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. Southwest winds around 5 mph, becoming north after midnight.

Carbondale, IL

Afternoon
Sunny
95°/ 68° 35°/ 20°
20%
Monday
Rain Showers
85°/ 62° 29°/ 17°
40%
Tuesday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Wed Night
Clear
55°13°
0%
Thursday
Cloudy
78°26°
0%
Friday
Cloudy
78°/ 55° 26°/ 13°
0%

Day: Mostly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph.

Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. Northwest winds around 5 mph, becoming north after midnight. Chance of rain 20 percent.

Shawneetown, IL

Afternoon
Partly Cloudy
95°/ 68° 35°/ 20°
0%
Monday
Mostly Cloudy
88°/ 62° 31°/ 17°
0%
Tuesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Wed Night
Cloudy
55°13°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Fri-Fri Night
Cloudy
78°26°
0%
Saturday
Partly Cloudy
78°26°
0%

Day: Partly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds 5 to 10 mph.

Night: Partly cloudy. Lows in the upper 60s. West winds around 5 mph, becoming north after midnight.

Golconda, IL

Afternoon
Partly Cloudy
95°/ 70° 35°/ 21°
0%
Monday
Mostly Cloudy
88°/ 65° 31°/ 18°
30%
Tuesday
Partly Cloudy
80°/ 58° 27°/ 14°
0%
Wed Night
Clear
55°13°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Fri-Fri Night
Cloudy
78°26°
0%
Saturday
Partly Cloudy
78°26°
0%

Day: Partly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. Southwest winds around 5 mph, becoming north after midnight.

Pinckneyville, IL

Afternoon
Sunny
95°/ 68° 35°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Tuesday
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Wed-Wed Night
Clear
75°24°
0%
Thursday
Cloudy
78°26°
0%
Friday
Cloudy
78°/ 55° 26°/ 13°
0%

Day: Mostly sunny. Hot. Near steady temperature in the mid 90s. West winds 5 to 10 mph.

Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. North winds around 5 mph. Chance of rain 50 percent.

Fairfield, IL

Afternoon
Partly Cloudy
95°/ 65° 35°/ 18°
50%
Monday
Rain Showers
82°/ 60° 28°/ 16°
50%
Tuesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%
Fri Night
Cloudy
55°13°
0%
Saturday
Partly Cloudy
78°26°
0%

Day: Partly sunny. Hot. Near steady temperature in the mid 90s. West winds 5 to 10 mph.

Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 60s. North winds around 5 mph. Chance of rain 50 percent.

Elizabethtown, IL

Afternoon
Partly Cloudy
92°/ 70° 33°/ 21°
0%
Monday
Mostly Cloudy
88°/ 62° 31°/ 17°
30%
Tuesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Wed Night
Cloudy
55°13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Fri-Fri Night
Cloudy
78°26°
0%
Saturday
Partly Cloudy
78°26°
0%

Day: Partly sunny. Hot. Near steady temperature in the lower 90s. Southwest winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. Southwest winds around 5 mph, becoming north after midnight.

Jonesboro, IL

Afternoon
Sunny
95°/ 70° 35°/ 21°
0%
Monday
Rain Showers
88°/ 65° 31°/ 18°
30%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wed Night
Clear
55°13°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Partly Cloudy
78°26°
0%

Day: Mostly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. Southwest winds around 5 mph, becoming north after midnight.

Metropolis, IL

Afternoon
Partly Cloudy
95°/ 70° 35°/ 21°
0%
Monday
Mostly Cloudy
92°/ 65° 33°/ 18°
30%
Tuesday
Sunny
82°/ 58° 28°/ 14°
0%
Wed Night
Clear
55°13°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Partly Cloudy
80°27°
0%

Day: Partly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. Southwest winds around 5 mph in the evening, becoming light and variable.

Smithland, KY

Afternoon
Partly Cloudy
95°/ 72° 35°/ 22°
0%
Monday
Partly Cloudy
92°/ 65° 33°/ 18°
0%
Tuesday
Partly Cloudy
82°/ 58° 28°/ 14°
0%
Wed Night
Clear
55°13°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Cloudy
78°26°
0%
Saturday
Cloudy
78°26°
0%

Day: Partly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable.

Morganfield, KY

Afternoon
Partly Cloudy
95°/ 68° 35°/ 20°
0%
Monday
Mostly Cloudy
88°/ 62° 31°/ 17°
0%
Tuesday
Partly Cloudy
80°/ 58° 27°/ 14°
0%
Wed Night
Cloudy
55°13°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Friday
Cloudy
78°26°
0%
Saturday
Cloudy
78°26°
0%

Day: Partly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds 5 to 10 mph.

Night: Partly cloudy. Lows in the upper 60s. Southwest winds around 5 mph, becoming northwest after midnight.

Marion, KY

Afternoon
Partly Cloudy
92°/ 70° 33°/ 21°
0%
Monday
Partly Cloudy
88°/ 62° 31°/ 17°
0%
Tuesday
Partly Cloudy
80°/ 58° 27°/ 14°
0%
Wed Night
Clear
55°13°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Friday
Cloudy
78°26°
0%
Saturday
Cloudy
78°26°
0%

Day: Partly sunny. Hot. Near steady temperature in the lower 90s. Southwest winds around 5 mph.

Night: Partly cloudy. Lows around 70. Southwest winds around 5 mph, becoming northwest after midnight.

Mound City, IL

Afternoon
Sunny
95°/ 70° 35°/ 21°
0%
Monday
Mostly Cloudy
90°/ 65° 32°/ 18°
30%
Tuesday
Sunny
82°/ 58° 28°/ 14°
0%
Wed-Wed Night
Clear
78°26°
0%
Thursday
Cloudy
78°26°
0%
Fri Night
Cloudy
78°26°
0%
Saturday
Partly Cloudy
80°27°
0%

Day: Mostly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. Southwest winds around 5 mph in the evening, becoming light and variable.

Perryville, MO

Afternoon
Sunny
95°/ 68° 35°/ 20°
50%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Tuesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Wed Night
Clear
52°11°
0%
Thursday
Cloudy
75°24°
0%
Friday
Cloudy
75°/ 55° 24°/ 13°
0%

Day: Mostly sunny. Hot. Near steady temperature in the mid 90s. Southwest winds around 5 mph.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. West winds around 5 mph, becoming north around 5 mph after midnight. Chance of rain 50 percent.

Names listed above may include county names.

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