Weather Alert
Frogtown Weather Warning NWS WEATHER ALERT FOR THE FROGTOWN, IL AREA - HARD FROST ADVISORY Issued: 1022 PM CDT Sat Oct 17 2026 Frogtown Weather Warning

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Frogtown, IL Weather Forecast & Current Conditions

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Frogtown Weather Map
UTC Time: 10/18/2026, 06:48
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Frogtown, IL Regional Weather

Expires:202610180700;;292064
ASUS43 KLOT 180610
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
100 AM CDT SUN OCT 18 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>094-180700-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     CLEAR     38  37  97 CALM      30.48S TC   3           
6HR MIN TEMP:  38; 6HR MAX TEMP:  50;                                

CAIRO*         CLEAR     40  40  99 CALM      30.48S TC   5           
EFFINGHAM*     CLEAR     38  37  95 CALM      30.50S TC   3           
MARION         CLEAR     39  39 100 SW1       30.48S TC   4           
MT. VERNON     CLEAR     36  36 100 CALM      30.49S TC   2           
CENTRALIA*       N/A     37  37  97 CALM      30.48S FOG     TC   3   
SALEM*         CLEAR     42  40  90 MISG      30.48S TC   6           
METROPOLIS*    CLEAR     39  38  96 CALM      30.48S TC   4           
$$


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

Frogtown, IL

FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
Tonight
Clear
32°0°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 40° 22°/ 4°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°/ 48° 26°/ 9°
0%
Fri-Fri Night
Clear
78°26°
0%
Saturday
Sunny
78°26°
0%

Night: Clear. Areas of frost. Lows in the lower 30s. Light and variable winds.

Centralia, IL

FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
Tonight
Clear
32°0°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 40° 22°/ 4°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°/ 48° 26°/ 9°
0%
Fri-Fri Night
Clear
78°26°
0%
Saturday
Sunny
78°26°
0%

Night: Clear. Areas of frost. Lows in the lower 30s. Light and variable winds.

Litchfield, IL

FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
Tonight
Clear
35°2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 38° 22°/ 3°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%
Fri Night
Clear
78°26°
0%
Saturday
Sunny
78°26°
0%

Night: Clear. Areas of frost. Near steady temperature in the mid 30s. Southeast winds around 5 mph.

Alton, IL

FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
Tonight
Clear
35°2°
0%
Sunday
Sunny
68°/ 40° 20°/ 4°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Sunny
75°/ 42° 24°/ 6°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%
Fri Night
Clear
78°26°
0%
Saturday
Sunny
80°27°
0%

Night: Clear. Patchy frost. Lows in the mid 30s. Southeast winds around 5 mph.

Pinckneyville, IL

FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
Overnight
Clear
32°0°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 40° 22°/ 4°
0%
Tuesday
Clear
75°24°
0%
Wednesday
Clear
75°/ 45° 24°/ 7°
0%
Thursday
Clear
45°7°
0%
Friday
Clear
45°/ 45° 7°/ 7°
0%

Night: Clear. Areas of frost. Lows in the lower 30s. Calm winds.

Chester, IL

FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
Tonight
Clear
32°0°
0%
Sunday
Sunny
70°/ 38° 21°/ 3°
0%
Monday
Sunny
75°/ 38° 24°/ 3°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%
Fri Night
Clear
78°26°
0%
Saturday
Sunny
80°27°
0%

Night: Clear. Areas of frost. Cooler with lows in the lower 30s. Light and variable winds.

Mount Vernon, IL

FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
Overnight
Clear
38°3°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 40° 22°/ 4°
0%
Tue-Tue Night
Clear
75°24°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%
Friday
Clear
78°/ 45° 26°/ 7°
0%

Night: Clear. Areas of frost. Near steady temperature in the upper 30s. Calm winds.

Monroe County, IL

FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
Tonight
Clear
35°2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 38° 22°/ 3°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%
Fri Night
Clear
78°26°
0%
Saturday
Sunny
80°27°
0%

Night: Clear. Patchy frost. Lows in the mid 30s. Southeast winds around 5 mph.

West Frankfort, IL

FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
Overnight
Clear
38°3°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tue-Tue Night
Clear
75°24°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%
Friday
Clear
78°/ 48° 26°/ 9°
0%

Night: Clear. Areas of frost. Near steady temperature in the upper 30s. Calm winds.

Carbondale, IL

FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
Overnight
Clear
35°2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Clear
75°24°
0%
Wednesday
Clear
75°/ 45° 24°/ 7°
0%
Thursday
Clear
45°7°
0%
Friday
Clear
45°/ 45° 7°/ 7°
0%

Night: Clear. Lows in the mid 30s. Calm winds.

St. Louis, MO

Tonight
Clear
38°3°
0%
Sunday
Sunny
68°/ 42° 20°/ 6°
0%
Monday
Sunny
72°/ 45° 22°/ 7°
0%
Tuesday
Sunny
75°/ 48° 24°/ 9°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%
Friday
Clear
78°/ 52° 26°/ 11°
0%

Night: Clear. Lows in the upper 30s. Southeast winds around 5 mph.

Greene County, IL

FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
Tonight
Clear
35°2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 38° 22°/ 3°
0%
Tuesday
Sunny
75°/ 42° 24°/ 6°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%
Friday
Clear
78°/ 48° 26°/ 9°
0%

Night: Clear. Areas of frost. Lows in the mid 30s. Southeast winds around 5 mph.

Alton, MO

FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
Tonight
Clear
35°2°
0%
Sunday
Sunny
68°/ 40° 20°/ 4°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tuesday
Sunny
75°/ 42° 24°/ 6°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%
Fri Night
Clear
78°26°
0%
Saturday
Sunny
80°27°
0%

Night: Clear. Patchy frost. Lows in the mid 30s. Southeast winds around 5 mph.

Fairfield, IL

FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
Overnight
Clear
38°3°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 38° 22°/ 3°
0%
Tue-Tue Night
Clear
75°24°
0%
Wednesday
Clear
75°24°
0%
Thursday
Clear
75°24°
0%
Friday
Clear
75°/ 45° 24°/ 7°
0%

Night: Clear. Areas of frost. Near steady temperature in the upper 30s. Calm winds.

Herrin, IL

FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
Overnight
Clear
38°3°
0%
Sunday
Sunny
68°/ 40° 20°/ 4°
0%
Monday
Sunny
72°/ 42° 22°/ 6°
0%
Tue-Tue Night
Clear
75°24°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%
Friday
Clear
78°/ 45° 26°/ 7°
0%

Night: Clear. Areas of frost. Near steady temperature in the upper 30s. Calm winds.

McLeansboro, IL

FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
Overnight
Clear
38°3°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 40° 22°/ 4°
0%
Tue-Tue Night
Clear
75°24°
0%
Wednesday
Clear
75°24°
0%
Thursday
Clear
75°24°
0%
Friday
Clear
75°/ 45° 24°/ 7°
0%

Night: Clear. Areas of frost. Near steady temperature in the upper 30s. Calm winds.

Perryville, MO

FROST ADVISORY IN EFFECT UNTIL 8 AM CDT THIS MORNING
Overnight
Clear
32°0°
0%
Sunday
Sunny
70°/ 38° 21°/ 3°
0%
Monday
Sunny
75°/ 40° 24°/ 4°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°/ 45° 26°/ 7°
0%
Thursday
Clear
45°7°
0%
Friday
Clear
45°/ 45° 7°/ 7°
0%

Night: Clear. Areas of frost. Lows in the lower 30s. Calm winds.

Jefferson County, MO

FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
Tonight
Clear
35°2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
72°/ 38° 22°/ 3°
0%
Tuesday
Clear
78°26°
0%
Wednesday
Clear
78°26°
0%
Thursday
Clear
78°26°
0%
Fri Night
Clear
78°26°
0%
Saturday
Sunny
80°27°
0%

Night: Clear. Patchy frost. Lows in the mid 30s. Southeast winds around 5 mph.

Flora, IL

FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
Tonight
Clear
32°0°
0%
Sunday
Sunny
68°/ 35° 20°/ 2°
0%
Monday
Sunny
72°/ 38° 22°/ 3°
0%
Tuesday
Clear
75°24°
0%
Wednesday
Clear
75°24°
0%
Thursday
Clear
75°24°
0%
Friday
Clear
75°24°
0%
Saturday
Clear
75°24°
0%

Night: Clear. Widespread frost. Lows in the lower 30s. Light and variable winds.

Effingham, IL

FROST ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
Tonight
Clear
32°0°
0%
Sunday
Sunny
68°/ 35° 20°/ 2°
0%
Monday
Sunny
72°/ 38° 22°/ 3°
0%
Tuesday
Clear
75°24°
0%
Wednesday
Clear
75°24°
0%
Thursday
Clear
75°24°
0%
Friday
Clear
75°24°
0%
Saturday
Clear
75°24°
0%

Night: Clear. Widespread frost. Lows in the lower 30s. Light and variable winds.

Names listed above may include county names.

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