Santa Fe, IL Weather Forecast & Current Conditions

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Santa Fe, IL Weather Maps

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Santa Fe Weather Map
UTC Time: 9/16/2026, 08:31
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Santa Fe, IL Regional Weather

Expires:202609160900;;536075
ASUS43 KLOT 160810
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CDT WED SEP 16 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>094-160900-
SOUTH-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     NOT AVBL                                               
CAIRO*         CLEAR     73  72  96 CALM      30.17R TC  23           
EFFINGHAM*     PTCLDY    76  71  82 SE6       30.17R TC  25           
MARION         CLEAR     75  68  78 S5        30.15S TC  24           
MT. VERNON     CLEAR     74  71  91 CALM      30.16R TC  23           
CENTRALIA*     PTCLDY    78  70  74 S6        30.15R HX  81  TC  26   
SALEM*         PTCLDY    83  71  68 MISG      30.14F HX  87  TC  28   
METROPOLIS*    CLEAR     74  73  98 CALM      30.17S TC  23           
$$


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

Santa Fe, IL

Today
Thunderstorms
95°/ 75° 35°/ 24°
30%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
98°/ 72° 37°/ 22°
20%
Sun Night
Rain Showers
68°20°
20%
Monday
Thunderstorms
88°/ 65° 31°/ 18°
30%
Tuesday
Rain Showers
85°29°
20%

Day: Mostly sunny. A chance of showers and thunderstorms, mainly this morning. Hot with highs in the mid 90s. Southeast winds around 5 mph, becoming southwest around 5 mph this afternoon. Chance of rain 30 percent. Heat index values up to 106.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Alton, IL

Today
Thunderstorms
95°/ 75° 35°/ 24°
50%
Thursday
Thunderstorms
98°/ 72° 37°/ 22°
20%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
98°/ 72° 37°/ 22°
40%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
40%
Monday
Thunderstorms
85°/ 65° 29°/ 18°
30%
Tuesday
Rain Showers
82°28°
20%

Day: Mostly sunny. A chance of showers and thunderstorms, mainly this morning. Highs in the mid 90s. East winds around 5 mph, becoming southwest this afternoon. Chance of rain 50 percent. Heat index values up to 106.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Greenville, IL

Today
Thunderstorms
95°/ 75° 35°/ 24°
40%
Thursday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Sunny
95°/ 72° 35°/ 22°
30%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
20%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
30%
Tuesday
Rain Showers
82°28°
20%

Day: Mostly cloudy with a chance of showers and thunderstorms this morning, then mostly sunny with a slight chance of showers and thunderstorms this afternoon. Highs in the mid 90s. East winds around 5 mph, becoming southwest around 5 mph this afternoon. Chance of rain 40 percent. Heat index values up to 105.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Humid with lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.

Mount Vernon, IL

Overnight
Cloudy
75°24°
0%
Wednesday
Sunny
98°/ 75° 37°/ 24°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Fri-Fri Night
Clear
95°35°
0%
Saturday
Cloudy
98°37°
0%
Sun Night
Cloudy
98°37°
0%
Monday
Sunny
90°/ 65° 32°/ 18°
30%
Tuesday
Rain Showers
85°29°
30%

Night: Partly cloudy. Near steady temperature in the mid 70s. South winds around 5 mph.

Pinckneyville, IL

Overnight
Clear
75°24°
0%
Wednesday
Sunny
98°/ 72° 37°/ 22°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Fri-Fri Night
Clear
95°35°
0%
Saturday
Cloudy
98°37°
0%
Sun Night
Cloudy
98°37°
0%
Monday
Sunny
90°/ 65° 32°/ 18°
30%
Tuesday
Rain Showers
85°29°
30%

Night: Mostly clear. Lows in the mid 70s. South winds around 5 mph.

Chester, IL

Today
Thunderstorms
95°/ 75° 35°/ 24°
20%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
98°/ 72° 37°/ 22°
20%
Sun-Sun Night
Rain Showers
95°35°
20%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
30%
Tuesday
Rain Showers
85°29°
30%

Day: Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 106.

Night: Partly cloudy in the evening, then clearing. Lows in the mid 70s. South winds around 5 mph. Heat index values up to 101 early in the evening.

ILZ102, IL

Today
Thunderstorms
95°/ 75° 35°/ 24°
30%
Thursday
Thunderstorms
98°/ 72° 37°/ 22°
20%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Sat Night
Thunderstorms
72°22°
20%
Sunday
Rain Showers
95°/ 68° 35°/ 20°
30%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
40%
Tuesday
Rain Showers
82°28°
30%

Day: Mostly sunny with a slight chance of showers and thunderstorms. Hot with highs in the mid 90s. East winds around 5 mph, becoming southwest around 5 mph this afternoon. Chance of rain 20 percent. Heat index values up to 107.

Night: Mostly cloudy with a chance of thunderstorms with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the mid 70s. South winds around 5 mph. Chance of rain 30 percent. Heat index values up to 103 early in the evening.

Litchfield, IL

Today
Thunderstorms
92°/ 72° 33°/ 22°
50%
Thursday
Thunderstorms
95°/ 70° 35°/ 21°
20%
Friday
Rain Showers
92°/ 70° 33°/ 21°
20%
Saturday
Sunny
95°/ 70° 35°/ 21°
50%
Sunday
Thunderstorms
90°/ 65° 32°/ 18°
50%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
30%
Tuesday
Rain Showers
82°28°
20%

Day: Mostly cloudy with a chance of showers and thunderstorms this morning, then mostly sunny with a slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. East winds around 5 mph, becoming southwest this afternoon. Chance of rain 50 percent. Heat index values up to 102.

Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. East winds around 5 mph, becoming south after midnight. Chance of rain 20 percent. Heat index values up to 100 early in the evening.

West Frankfort, IL

Overnight
Clear
75°24°
0%
Wednesday
Sunny
98°/ 75° 37°/ 24°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Fri-Fri Night
Clear
98°37°
0%
Saturday
Cloudy
98°37°
0%
Sun Night
Cloudy
98°37°
0%
Monday
Sunny
92°/ 65° 33°/ 18°
30%
Tuesday
Rain Showers
85°29°
30%

Night: Mostly clear. Lows in the mid 70s. South winds around 5 mph.

Carbondale, IL

Overnight
Clear
75°24°
0%
Wednesday
Sunny
98°/ 72° 37°/ 22°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Fri-Fri Night
Clear
95°35°
0%
Saturday
Cloudy
98°37°
0%
Sun Night
Cloudy
98°37°
0%
Monday
Sunny
88°/ 65° 31°/ 18°
30%
Tuesday
Rain Showers
85°29°
30%

Night: Mostly clear. Lows in the mid 70s. South winds around 5 mph.

Fairfield, IL

Overnight
Cloudy
75°24°
0%
Wednesday
Sunny
98°/ 72° 37°/ 22°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Fri-Fri Night
Clear
95°35°
0%
Saturday
Cloudy
98°37°
0%
Sun Night
Cloudy
98°37°
0%
Monday
Sunny
90°/ 65° 32°/ 18°
30%
Tuesday
Sunny
85°29°
0%

Night: Partly cloudy. Near steady temperature in the mid 70s. South winds around 5 mph.

Flora, IL

Tonight
Thunderstorms
75°24°
20%
Wednesday
Thunderstorms
95°/ 72° 35°/ 22°
30%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
92°/ 70° 33°/ 21°
0%
Saturday
Cloudy
70°21°
0%
Sun Night
Cloudy
70°21°
0%
Monday
Partly Cloudy
88°/ 62° 31°/ 17°
30%
Tuesday
Sunny
85°29°
0%

Night: Mostly cloudy with a slight chance of showers and thunderstorms. Near steady temperature in the mid 70s. South winds around 5 mph. Chance of rain 20 percent.

McLeansboro, IL

Overnight
Clear
75°24°
0%
Wednesday
Sunny
98°/ 72° 37°/ 22°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
98°/ 72° 37°/ 22°
0%
Saturday
Cloudy
98°37°
0%
Sun Night
Cloudy
98°37°
0%
Monday
Sunny
92°/ 65° 33°/ 18°
30%
Tuesday
Rain Showers
85°29°
30%

Night: Mostly clear. Near steady temperature in the mid 70s. South winds around 5 mph.

Herrin, IL

Overnight
Clear
78°26°
0%
Wednesday
Sunny
98°/ 75° 37°/ 24°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Fri-Fri Night
Clear
98°37°
0%
Sat-Sat Night
Cloudy
100°38°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Monday
Sunny
90°/ 65° 32°/ 18°
30%
Tuesday
Rain Showers
85°29°
30%

Night: Mostly clear. Near steady temperature in the upper 70s. South winds around 5 mph.

Effingham, IL

Tonight
Thunderstorms
75°24°
50%
Wednesday
Thunderstorms
95°/ 72° 35°/ 22°
50%
Thursday
Sunny
95°/ 70° 35°/ 21°
0%
Fri-Fri Night
Clear
92°33°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
40%
Sunday
Rain Showers
90°/ 65° 32°/ 18°
40%
Monday
Partly Cloudy
85°/ 62° 29°/ 17°
30%
Tuesday
Sunny
82°28°
0%

Night: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the mid 70s. Southeast winds around 5 mph. Chance of rain 50 percent.

Perryville, MO

Overnight
Clear
78°26°
0%
Wednesday
Sunny
95°/ 72° 35°/ 22°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Fri-Fri Night
Clear
95°35°
0%
Saturday
Cloudy
95°35°
0%
Sun Night
Cloudy
95°35°
0%
Monday
Sunny
88°/ 65° 31°/ 18°
30%
Tuesday
Rain Showers
85°29°
30%

Night: Mostly clear. Near steady temperature in the upper 70s. South winds around 5 mph.

Shelbyville, IL

Tonight
Thunderstorms
72°22°
50%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
50%
Thursday
Sunny
95°/ 68° 35°/ 20°
0%
Friday
Cloudy
92°33°
0%
Saturday
Cloudy
92°/ 68° 33°/ 20°
50%
Sunday
Rain Showers
88°/ 65° 31°/ 18°
50%
Monday
Partly Cloudy
85°/ 62° 29°/ 17°
30%
Tuesday
Sunny
80°27°
0%

Night: Cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 70s. North winds around 5 mph. Chance of rain 50 percent.

Harrisburg, IL

Overnight
Clear
75°24°
0%
Wednesday
Sunny
98°/ 75° 37°/ 24°
0%
Thursday
Sunny
100°/ 72° 38°/ 22°
0%
Fri-Fri Night
Clear
98°37°
0%
Saturday
Cloudy
98°37°
0%
Sun Night
Cloudy
98°37°
0%
Monday
Sunny
92°/ 65° 33°/ 18°
30%
Tuesday
Rain Showers
85°29°
30%

Night: Mostly clear. Near steady temperature in the mid 70s. South winds around 5 mph.

Taylorville, IL

Tonight
Thunderstorms
75°24°
70%
Wednesday
Thunderstorms
92°/ 72° 33°/ 22°
60%
Thursday
Sunny
92°/ 68° 33°/ 20°
0%
Friday
Cloudy
92°33°
0%
Saturday
Cloudy
92°/ 68° 33°/ 20°
60%
Sunday
Rain Showers
88°31°
50%
Sun Night-Mon
Rain Showers
65°18°
40%
Mon Night
Rain Showers
62°17°
30%
Tuesday
Sunny
80°27°
0%

Night: Showers likely with a chance of thunderstorms. Near steady temperature in the mid 70s. North winds around 5 mph. Chance of rain 70 percent.

Farmington, MO

Today
Thunderstorms
95°/ 72° 35°/ 22°
20%
Thursday
Sunny
95°/ 72° 35°/ 22°
0%
Friday
Sunny
95°/ 70° 35°/ 21°
0%
Sat-Sat Night
Cloudy
95°35°
0%
Sun-Sun Night
Rain Showers
95°35°
20%
Mon-Mon Night
Thunderstorms
88°31°
50%
Tuesday
Rain Showers
82°28°
40%

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the mid 90s. South winds around 5 mph. Chance of rain 20 percent. Heat index values up to 104.

Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 70s. South winds around 5 mph.

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