Red Bud, IL Weather Forecast & Current Conditions

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Red Bud Weather Map
UTC Time: 9/17/2026, 09:13
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Red Bud, IL Regional Weather

Expires:202609171000;;593358
ASUS43 KLOT 170910
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT THU SEP 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.


ILZ079-100>102-171000-
SOUTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     71  70  96 CALM      30.21S FOG     TC  22   
BELLEVILLE     CLEAR     74  73  97 MISG      30.19S TC  23           
CAHOKIA*       CLEAR     73  72  96 CALM      30.20S TC  23           
SPARTA*        CLEAR     78  68  71 S8        30.23S HX  80  TC  26   
$$


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

Red Bud, IL

Today
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
98°/ 70° 37°/ 21°
0%
Sun Night
Cloudy
70°21°
0%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
50%
Tuesday
Rain Showers
82°/ 62° 28°/ 17°
30%
Wednesday
Rain Showers
82°28°
20%

Day: Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 107.

Night: Mostly clear. Lows in the lower 70s. Southwest winds around 5 mph. Heat index values up to 102 early in the evening.

Monroe, IL

Today
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Rain Showers
92°/ 68° 33°/ 20°
20%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Tuesday
Rain Showers
80°/ 60° 27°/ 16°
20%

Day: Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 109.

Night: Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph. Heat index values up to 103 early in the evening.

Saint Clair, IL

Today
Thunderstorms
98°/ 72° 37°/ 22°
20%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
20%
Sun Night
Thunderstorms
68°20°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Tuesday
Rain Showers
80°/ 60° 27°/ 16°
20%

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 108 this afternoon.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southwest winds around 5 mph, becoming north after midnight. Chance of rain 20 percent. Heat index values up to 103 early in the evening.

Sainte Genevieve, MO

Today
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
98°/ 70° 37°/ 21°
0%
Sun Night
Cloudy
70°21°
0%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
50%
Tuesday
Rain Showers
82°/ 62° 28°/ 17°
30%
Wednesday
Rain Showers
82°28°
20%

Day: Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 107.

Night: Mostly clear. Lows in the lower 70s. Southwest winds around 5 mph. Heat index values up to 102 early in the evening.

Monroe, MO

Today
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sunday
Rain Showers
92°/ 68° 33°/ 20°
20%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Tuesday
Rain Showers
80°/ 60° 27°/ 16°
20%

Day: Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 109.

Night: Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph. Heat index values up to 103 early in the evening.

Washington, IL

Today
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Rain Showers
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sun-Sun Night
Rain Showers
92°33°
20%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
50%
Tuesday
Rain Showers
82°/ 62° 28°/ 17°
20%
Wednesday
Rain Showers
82°28°
20%

Day: Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 106.

Night: Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph, becoming northwest after midnight. Heat index values up to 103 early in the evening.

Saint Louis, MO

Today
Thunderstorms
98°/ 72° 37°/ 22°
20%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
20%
Sun Night
Thunderstorms
68°20°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Tuesday
Rain Showers
80°/ 60° 27°/ 16°
20%

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 108 this afternoon.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southwest winds around 5 mph, becoming north after midnight. Chance of rain 20 percent. Heat index values up to 103 early in the evening.

Pinckneyville, IL

Overnight
Clear
75°24°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
98°/ 72° 37°/ 22°
0%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sun Night
Cloudy
72°22°
0%
Monday
Thunderstorms
90°/ 65° 32°/ 18°
40%
Tuesday
Cloudy
85°29°
0%
Wednesday
Cloudy
85°29°
0%

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

Clinton, IL

Today
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Rain Showers
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sun-Sun Night
Rain Showers
92°33°
20%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
50%
Tuesday
Rain Showers
82°/ 62° 28°/ 17°
20%
Wednesday
Rain Showers
82°28°
20%

Day: Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 106.

Night: Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph, becoming northwest after midnight. Heat index values up to 103 early in the evening.

Perryville, MO

Overnight
Clear
75°24°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Sat-Sat Night
Clear
95°35°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Monday
Thunderstorms
88°/ 65° 31°/ 18°
50%
Tuesday
Rain Showers
82°/ 62° 28°/ 17°
30%

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

Saint Francois, MO

Today
Sunny
95°/ 72° 35°/ 22°
0%
Friday
Sunny
95°/ 70° 35°/ 21°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
50%
Tuesday
Rain Showers
82°/ 60° 28°/ 16°
20%

Day: Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 105.

Night: Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph, becoming southwest after midnight. Heat index values up to 100 early in the evening.

Saint Louis City, MO

Today
Thunderstorms
98°/ 72° 37°/ 22°
20%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
20%
Sun Night
Thunderstorms
68°20°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Tuesday
Rain Showers
80°/ 60° 27°/ 16°
20%

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 108 this afternoon.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southwest winds around 5 mph, becoming north after midnight. Chance of rain 20 percent. Heat index values up to 103 early in the evening.

Carbondale, IL

Overnight
Clear
75°24°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
98°/ 72° 37°/ 22°
0%
Sat-Sat Night
Clear
98°37°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Monday
Rain Showers
90°/ 65° 32°/ 18°
40%
Tuesday
Sunny
85°/ 62° 29°/ 17°
0%
Wednesday
Sunny
82°28°
0%

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

Madison, IL

Today
Thunderstorms
98°/ 72° 37°/ 22°
20%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
20%
Sun Night
Thunderstorms
68°20°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Tuesday
Rain Showers
80°/ 60° 27°/ 16°
20%

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 108 this afternoon.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southwest winds around 5 mph, becoming north after midnight. Chance of rain 20 percent. Heat index values up to 103 early in the evening.

Washington, MO

Today
Sunny
95°/ 72° 35°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
60%
Tuesday
Rain Showers
78°/ 58° 26°/ 14°
20%

Day: Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106.

Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 102 early in the evening.

Madison, MO

Today
Sunny
95°/ 72° 35°/ 22°
0%
Friday
Sunny
95°/ 70° 35°/ 21°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
50%
Tuesday
Rain Showers
82°/ 60° 28°/ 16°
20%

Day: Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 105.

Night: Mostly clear. Lows in the lower 70s. Southeast winds around 5 mph, becoming southwest after midnight. Heat index values up to 100 early in the evening.

Franklin, MO

Today
Sunny
95°/ 72° 35°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
60%
Tuesday
Rain Showers
78°/ 58° 26°/ 14°
20%

Day: Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Heat index values up to 106.

Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph. Heat index values up to 102 early in the evening.

Cape Girardeau, MO

Overnight
Clear
75°24°
0%
Thursday
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Sat-Sat Night
Clear
95°35°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Monday
Rain Showers
90°/ 65° 32°/ 18°
40%
Tuesday
Sunny
85°/ 62° 29°/ 17°
0%
Wednesday
Sunny
82°28°
0%

Night: Mostly clear. Near steady temperature in the mid 70s. Calm winds.

Bond, IL

Today
Thunderstorms
98°/ 72° 37°/ 22°
20%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
95°/ 68° 35°/ 20°
20%
Sun Night
Thunderstorms
68°20°
20%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Tuesday
Rain Showers
80°/ 58° 27°/ 14°
20%

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 106.

Night: Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph, becoming northeast around 5 mph after midnight. Heat index values up to 102 early in the evening.

Saint Charles, MO

Today
Thunderstorms
98°/ 72° 37°/ 22°
20%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
20%
Sun Night
Thunderstorms
68°20°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Tuesday
Rain Showers
80°/ 60° 27°/ 16°
20%

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 108 this afternoon.

Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Humid with lows in the lower 70s. Southwest winds around 5 mph, becoming north after midnight. Chance of rain 20 percent. Heat index values up to 103 early in the evening.

Names listed above may include county names.

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