King, IL Weather Forecast & Current Conditions

Feedback E-mail the Weather

Quick Clicks

Weather World

King, IL Weather Maps

°F °C°F °C
King Weather Map
UTC Time: 9/17/2026, 11:04
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

King, IL Regional Weather

Expires:202609171200;;597451
ASUS43 KLOT 171103
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 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>102-171200-
SOUTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BELLEVILLE     CLEAR     73  72  97 CALM      30.19S TC  23           
CAHOKIA*       CLEAR     72  71  97 CALM      30.20S TC  22           
$$


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

King, 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.

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.

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.

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.

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.

Randolph, 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.

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.

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.

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.

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.

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.

Greene, IL

Today
Thunderstorms
95°/ 70° 35°/ 21°
20%
Friday
Thunderstorms
92°/ 72° 33°/ 22°
20%
Saturday
Sunny
95°/ 70° 35°/ 21°
20%
Sunday
Thunderstorms
88°/ 65° 31°/ 18°
50%
Monday
Thunderstorms
82°/ 60° 28°/ 16°
60%
Tuesday
Rain Showers
78°/ 58° 26°/ 14°
20%

Day: Sunny. A slight chance of showers and thunderstorms this afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming west this afternoon. Chance of rain 20 percent. Heat index values up to 105.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows around 70. West winds around 5 mph, becoming northeast after midnight. Heat index values up to 101 early in the evening.

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.

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.

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.

Montgomery, MO

Today
Sunny
95°/ 70° 35°/ 21°
0%
Friday
Sunny
92°/ 72° 33°/ 22°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
20%
Sunday
Thunderstorms
88°/ 65° 31°/ 18°
50%
Monday
Thunderstorms
78°/ 60° 26°/ 16°
60%
Tuesday
Rain Showers
75°/ 58° 24°/ 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. Humid with lows around 70. Southwest winds around 5 mph, becoming north around 5 mph after midnight. Heat index values up to 102 early in the evening.

Warren, MO

Today
Sunny
95°/ 70° 35°/ 21°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
20%
Sun Night
Thunderstorms
65°18°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
50%
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 107 this afternoon.

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

Pinckneyville, IL

Today
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%

Day: Sunny, hot with highs in the upper 90s. West winds around 5 mph.

Night: Mostly clear. Lows in the lower 70s. West winds around 5 mph in the evening, becoming light and variable.

Perryville, MO

Today
Sunny
98°/ 72° 37°/ 22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Monday
Thunderstorms
88°/ 65° 31°/ 18°
50%
Tuesday
Rain Showers
82°/ 62° 28°/ 17°
30%

Day: Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph.

Night: Mostly clear. Lows in the lower 70s. Calm winds.

Names listed above may include county names.

Trending Headlines

Trending Entertainment Headlines

King Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

King Quick Facts

National Two Day Weather Forecast


E-mail the King Weather Forecast

Voice your opinion or tell us about page issues...