Weather Alert
New Castle Weather Warning NWS WEATHER ALERT FOR THE NEW CASTLE, IL AREA - HARD FROST ADVISORY Issued: 113 PM CDT Sat Oct 17 2026 New Castle Weather Warning

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New Castle, IL Weather Forecast & Current Conditions

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New Castle Weather Map
UTC Time: 10/17/2026, 21:38
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

New Castle, IL Regional Weather

Expires:202610172200;;273830
ASUS43 KLOT 172110
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 PM CDT SAT OCT 17 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>094-172200-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     SUNNY     59  34  39 N5        30.47F TC  15           
CAIRO*         SUNNY     62  35  37 NE10      30.46F TC  17           
EFFINGHAM*     SUNNY     58  30  34 CALM      30.50S TC  14           
MT. VERNON     SUNNY     58  31  35 VRB3      30.49S TC  14           
CENTRALIA*     SUNNY     59  31  33 NE3       30.49S TC  15           
SALEM*         SUNNY     59  35  39 MISG      30.48F TC  15           
METROPOLIS*    SUNNY     61  31  32 NW9       30.46F TC  16           
$$


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

New Castle, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
60°/ 35° 16°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature around 60. Northeast winds 5 to 10 mph.

Night: Clear. Areas of frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Harrisburg, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
60°/ 35° 16°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature around 60. Northeast winds 5 to 10 mph.

Night: Clear. Areas of frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Vienna, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
60°/ 35° 16°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 48° 6°/ 9°
0%
Thu Night
Clear
48°9°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature around 60. Northeast winds 5 to 10 mph.

Night: Clear. Areas of frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Golconda, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
58°/ 35° 14°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature in the upper 50s. Northeast winds 5 to 10 mph.

Night: Clear. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

West Frankfort, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
60°/ 35° 16°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 48° 6°/ 9°
0%
Thu Night
Clear
48°9°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature around 60. Northeast winds 5 to 10 mph.

Night: Clear. Areas of frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Metropolis, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature in the lower 60s. Northeast winds 5 to 10 mph.

Night: Clear. Areas of frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Elizabethtown, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
58°/ 35° 14°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tue Night
Clear
42°6°
0%
Wednesday
Clear
75°24°
0%
Thu Night
Clear
75°24°
0%
Friday
Sunny
75°24°
0%

Day: Sunny. Near steady temperature in the upper 50s. North winds 5 to 10 mph.

Night: Clear. Areas of frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Shawneetown, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
58°/ 35° 14°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
75°24°
0%

Day: Sunny. Near steady temperature in the upper 50s. Northeast winds 5 to 10 mph.

Night: Clear. Areas of frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

McLeansboro, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
60°/ 32° 16°/ 0°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature around 60. Northeast winds 5 to 10 mph.

Night: Clear. Areas of frost after midnight. Lows in the lower 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Carbondale, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
60°/ 35° 16°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature around 60. Northeast winds 5 to 10 mph.

Night: Clear. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Jonesboro, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
60°/ 35° 16°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 48° 6°/ 9°
0%
Thu Night
Clear
48°9°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature around 60. Northeast winds 5 to 10 mph.

Night: Clear. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Mound City, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature in the lower 60s. Northeast winds 5 to 10 mph.

Night: Clear. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Smithland, KY

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
60°/ 35° 16°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tue Night
Clear
42°6°
0%
Wednesday
Clear
75°24°
0%
Thu Night
Clear
75°24°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature around 60. North winds 5 to 10 mph.

Night: Clear. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Carmi, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
58°/ 35° 14°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
75°24°
0%

Day: Sunny. Near steady temperature in the upper 50s. Northeast winds 5 to 10 mph.

Night: Clear. Areas of frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Marion, KY

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
58°/ 35° 14°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tue Night
Clear
42°6°
0%
Wednesday
Clear
75°24°
0%
Thu Night
Clear
75°24°
0%
Friday
Sunny
75°24°
0%

Day: Sunny. Near steady temperature in the upper 50s. North winds 5 to 10 mph.

Night: Clear. Areas of frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Wickliffe, KY

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature in the lower 60s. Northeast winds around 10 mph.

Night: Clear. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Paducah, KY

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thu Night
Clear
45°7°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature in the lower 60s. Northeast winds 5 to 10 mph.

Night: Clear. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Mount Vernon, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
60°/ 32° 16°/ 0°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 45° 6°/ 7°
0%
Thursday
Sunny
78°/ 48° 26°/ 9°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature around 60. Northeast winds 5 to 10 mph.

Night: Clear. Areas of frost after midnight. Lows in the lower 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Cairo, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Sunny
68°/ 40° 20°/ 4°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wednesday
Clear
42°/ 48° 6°/ 9°
0%
Thu Night
Clear
48°9°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature in the lower 60s. Northeast winds 5 to 10 mph.

Night: Clear. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Pinckneyville, IL

FROST ADVISORY IN EFFECT FROM 1 AM TO 8 AM CDT SUNDAY
Afternoon
Sunny
60°/ 32° 16°/ 0°
0%
Sunday
Sunny
68°/ 35° 20°/ 2°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
42°6°
0%
Wed Night
Clear
42°6°
0%
Thu-Thu Night
Clear
78°26°
0%
Friday
Sunny
78°26°
0%

Day: Sunny. Near steady temperature around 60. North winds around 5 mph.

Night: Clear. Areas of frost after midnight. Lows in the lower 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Names listed above may include county names.

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