Royalton, IL Weather Forecast & Current Conditions

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Royalton, IL Weather Maps

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Royalton Weather Map
UTC Time: 10/9/2026, 05:40
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Royalton, IL Regional Weather

Expires:202610090600;;775231
ASUS43 KLOT 090513
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1200 AM CDT FRI OCT 09 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>094-090600-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLEAR     55  52  89 CALM      30.09F TC  13           
CAIRO*         CLEAR     56  55  96 CALM      30.10S TC  14           
EFFINGHAM*     CLEAR     53  51  93 CALM      30.12F TC  12           
MARION         CLEAR     59  50  72 SW2       30.09F TC  15           
MT. VERNON     CLEAR     48  47  96 CALM      30.10F TC   9           
CENTRALIA*     CLEAR     53  47  79 E3        30.10S TC  12           
SALEM*         CLEAR     55  48  77 MISG      30.10F TC  13           
METROPOLIS*    CLEAR     51  50  97 CALM      30.10F TC  11           
$$


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

Royalton, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
88°/ 58° 31°/ 14°
0%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
70%
Sunday
Mostly Cloudy
78°/ 58° 26°/ 14°
0%
Mon Night
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wed-Wed Night
Cloudy
82°28°
0%
Thursday
Rain Showers
82°28°
40%

Night: Clear. Lows in the lower 50s. Southeast winds around 5 mph.

Herrin, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
88°/ 60° 31°/ 16°
0%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
90%
Sunday
Mostly Cloudy
78°/ 58° 26°/ 14°
0%
Mon Night
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wed-Wed Night
Cloudy
82°28°
0%
Thursday
Rain Showers
82°28°
30%

Night: Clear. Lows in the lower 50s. Southeast winds around 5 mph.

Carbondale, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
88°/ 58° 31°/ 14°
0%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
70%
Sunday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Mon Night
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wed-Wed Night
Cloudy
82°28°
0%
Thursday
Rain Showers
82°28°
40%

Night: Clear. Lows in the lower 50s. Southeast winds around 5 mph.

Pinckneyville, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
88°/ 58° 31°/ 14°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
70%
Sunday
Partly Cloudy
80°/ 55° 27°/ 13°
0%
Mon Night
Clear
62°17°
0%
Tue Night
Clear
62°17°
0%
Wednesday
Rain Showers
85°/ 62° 29°/ 17°
30%
Thursday
Rain Showers
82°28°
40%

Night: Clear. Lows in the lower 50s. Southeast winds around 5 mph.

Mount Vernon, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
88°/ 58° 31°/ 14°
0%
Saturday
Rain Showers
78°/ 58° 26°/ 14°
70%
Sunday
Mostly Cloudy
78°/ 55° 26°/ 13°
0%
Mon Night-Tue
Clear
65°18°
0%
Tue Night
Clear
60°16°
0%
Wednesday
Rain Showers
82°/ 62° 28°/ 17°
30%
Thursday
Rain Showers
82°28°
40%

Night: Clear. Lows in the lower 50s. Southeast winds around 5 mph this evening, becoming light and variable.

Harrisburg, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
88°/ 58° 31°/ 14°
0%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
90%
Sunday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Mon Night
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wednesday
Cloudy
82°28°
0%
Thursday
Cloudy
82°28°
0%

Night: Clear. Lows in the lower 50s. Southeast winds around 5 mph this evening, becoming light and variable.

Vienna, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
85°/ 60° 29°/ 16°
0%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
90%
Sunday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Mon Night
Clear
62°17°
0%
Tuesday
Clear
62°17°
0%
Wednesday
Clear
62°/ 62° 17°/ 17°
0%

Night: Clear. Lows in the lower 50s. East winds around 5 mph.

Jonesboro, IL

Tonight
Clear
55°13°
0%
Friday
Sunny
85°/ 60° 29°/ 16°
0%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
80%
Sunday
Mostly Cloudy
78°/ 58° 26°/ 14°
0%
Mon Night
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wed-Wed Night
Cloudy
82°28°
0%
Thursday
Rain Showers
82°28°
30%

Night: Clear. Lows in the mid 50s. East winds around 5 mph.

McLeansboro, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
88°/ 58° 31°/ 14°
0%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
90%
Sunday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Mon Night
Clear
62°17°
0%
Tue Night
Clear
62°17°
0%
Wed-Wed Night
Cloudy
82°28°
0%
Thursday
Rain Showers
82°28°
30%

Night: Clear. Lows in the lower 50s. Southeast winds around 5 mph this evening, becoming light and variable.

Perryville, MO

Tonight
Clear
55°13°
0%
Friday
Sunny
85°/ 58° 29°/ 14°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
50%
Sunday
Partly Cloudy
80°/ 58° 27°/ 14°
0%
Mon Night
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wed-Wed Night
Cloudy
82°28°
0%
Thursday
Rain Showers
82°28°
40%

Night: Clear. Lows in the mid 50s. Southeast winds around 5 mph.

Golconda, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
85°/ 60° 29°/ 16°
0%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
90%
Sunday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Mon Night
Clear
62°17°
0%
Tuesday
Sunny
85°/ 62° 29°/ 17°
0%
Wed Night-Thu
Cloudy
62°17°
0%

Night: Clear. Lows in the lower 50s. East winds around 5 mph this evening, becoming light and variable.

Cape Girardeau, MO

Tonight
Clear
52°11°
0%
Friday
Sunny
85°/ 58° 29°/ 14°
0%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
70%
Sunday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Mon Night
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wed-Wed Night
Cloudy
82°28°
0%
Thursday
Rain Showers
82°28°
40%

Night: Clear. Lows in the lower 50s. East winds around 5 mph this evening, becoming light and variable.

Mound City, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
85°/ 60° 29°/ 16°
0%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
90%
Sunday
Mostly Cloudy
78°/ 58° 26°/ 14°
0%
Mon Night
Clear
62°17°
0%
Tuesday
Clear
62°17°
0%
Wednesday
Clear
62°/ 62° 17°/ 17°
0%
Thursday
Rain Showers
82°28°
30%

Night: Clear. Lows in the lower 50s. East winds around 5 mph this evening, becoming light and variable.

Carmi, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
88°/ 60° 31°/ 16°
0%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
90%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
50%
Mon Night
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wed-Wed Night
Cloudy
82°28°
0%
Thursday
Rain Showers
82°28°
30%

Night: Clear. Lows in the lower 50s. Southeast winds around 5 mph this evening, becoming light and variable.

Cairo, IL

Tonight
Clear
55°13°
0%
Friday
Sunny
88°/ 62° 31°/ 17°
0%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
80%
Sunday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Clear
65°18°
0%
Wednesday
Clear
65°/ 65° 18°/ 18°
0%
Thursday
Rain Showers
82°28°
30%

Night: Clear. Lows in the mid 50s. East winds around 5 mph.

Fairfield, IL

Tonight
Clear
50°10°
0%
Friday
Sunny
88°/ 58° 31°/ 14°
0%
Saturday
Rain Showers
75°/ 58° 24°/ 14°
70%
Sunday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Mon Night
Clear
62°17°
0%
Tue Night
Clear
62°17°
0%
Wed-Wed Night
Cloudy
82°28°
0%
Thursday
Rain Showers
82°28°
40%

Night: Clear. Lows around 50. Calm winds.

Metropolis, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
88°/ 60° 31°/ 16°
0%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
90%
Sunday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Mon Night
Clear
62°17°
0%
Tuesday
Sunny
85°/ 62° 29°/ 17°
0%
Wed Night-Thu
Cloudy
62°17°
0%

Night: Clear. Lows in the lower 50s. Northeast winds around 5 mph this evening, becoming light and variable.

Shawneetown, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
85°/ 58° 29°/ 14°
0%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
90%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
50%
Mon Night
Clear
62°17°
0%
Tuesday
Clear
62°17°
0%
Wednesday
Clear
62°/ 62° 17°/ 17°
0%

Night: Clear. Lows in the lower 50s. East winds around 5 mph this evening, becoming light and variable.

Elizabethtown, IL

Tonight
Clear
52°11°
0%
Friday
Sunny
85°/ 60° 29°/ 16°
0%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
100%
Sunday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Mon Night
Clear
62°17°
0%
Tuesday
Sunny
85°/ 62° 29°/ 17°
0%
Wed Night-Thu
Cloudy
62°17°
0%

Night: Clear. Lows in the lower 50s. East winds around 5 mph this evening, becoming light and variable.

Marble Hill, MO

Tonight
Clear
52°11°
0%
Friday
Sunny
85°/ 58° 29°/ 14°
0%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
50%
Sunday
Sunny
82°/ 58° 28°/ 14°
0%
Mon Night
Clear
62°17°
0%
Tue Night
Clear
62°17°
0%
Wed-Wed Night
Cloudy
82°28°
0%
Thursday
Rain Showers
82°28°
40%

Night: Clear. Lows in the lower 50s. East winds around 5 mph this evening, becoming light and variable.

Names listed above may include county names.

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