Columbia, IL Weather Forecast & Current Conditions

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Columbia, IL Weather Maps

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Columbia Weather Map
UTC Time: 9/18/2026, 09:24
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Columbia, IL Regional Weather

Expires:202609181000;;647800
ASUS43 KLOT 180910
RWRIL 

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


ILZ079-100>102-181000-
SOUTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     73  71  93 CALM      30.15S TC  23           
BELLEVILLE     CLEAR     75  74  98 NE1       30.12S TC  24           
CAHOKIA*       CLEAR     74  72  93 CALM      30.13F TC  23           
SPARTA*        CLEAR     74  69  84 CALM      30.16S TC  24           
$$


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

Columbia, IL

Overnight
Clear
72°22°
0%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Partly Cloudy
95°/ 72° 35°/ 22°
0%
Sunday
Rain Showers
95°/ 68° 35°/ 20°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
60%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. Lows in the lower 70s. Light and variable winds, becoming west around 5 mph.

Alton, IL

Overnight
Clear
72°22°
0%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Clear. Lows in the lower 70s. West winds around 5 mph.

Alton, MO

Overnight
Clear
72°22°
0%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Clear. Lows in the lower 70s. West winds around 5 mph.

Monroe IL-Jefferson MO, MO

Overnight
Clear
72°22°
0%
Friday
Thunderstorms
95°/ 72° 35°/ 22°
20%
Saturday
Partly Cloudy
95°/ 72° 35°/ 22°
0%
Sunday
Rain Showers
95°/ 68° 35°/ 20°
40%
Monday
Thunderstorms
85°/ 62° 29°/ 17°
60%
Tuesday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. Lows in the lower 70s. Light and variable winds, becoming west around 5 mph.

Chester, IL

Overnight
Clear
72°22°
0%
Friday
Thunderstorms
95°/ 70° 35°/ 21°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Sunny
95°/ 68° 35°/ 20°
30%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
50%
Tuesday
Cloudy
80°27°
0%
Wednesday
Cloudy
80°27°
0%
Thursday
Cloudy
80°27°
0%

Night: Mostly clear. Lows in the lower 70s. Southwest winds around 5 mph.

Washington, MO

Overnight
Clear
72°22°
0%
Friday
Thunderstorms
95°/ 70° 35°/ 21°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Rain Showers
92°/ 68° 33°/ 20°
50%
Monday
Thunderstorms
82°/ 62° 28°/ 17°
60%
Tuesday
Rain Showers
75°/ 55° 24°/ 13°
20%
Wednesday
Cloudy
78°26°
0%
Thursday
Cloudy
78°26°
0%

Night: Mostly clear. Lows in the lower 70s. Southwest winds around 5 mph.

Centralia, IL

Overnight
Clear
72°22°
0%
Friday
Thunderstorms
95°/ 70° 35°/ 21°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sun-Sun Night
Thunderstorms
95°35°
20%
Mon-Mon Night
Thunderstorms
85°29°
50%
Tuesday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. Lows in the lower 70s. Southwest winds around 5 mph.

Chester, MO

Overnight
Clear
72°22°
0%
Friday
Thunderstorms
95°/ 70° 35°/ 21°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Sunny
95°/ 68° 35°/ 20°
30%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
50%
Tuesday
Cloudy
80°27°
0%
Wednesday
Cloudy
80°27°
0%
Thursday
Cloudy
80°27°
0%

Night: Mostly clear. Lows in the lower 70s. Southwest winds around 5 mph.

Farmington, MO

Overnight
Clear
72°22°
0%
Friday
Thunderstorms
95°/ 70° 35°/ 21°
20%
Saturday
Sunny
95°/ 70° 35°/ 21°
0%
Sunday
Sunny
95°/ 68° 35°/ 20°
20%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
60%
Tuesday
Cloudy
80°27°
0%
Wednesday
Cloudy
80°27°
0%
Thursday
Cloudy
80°27°
0%

Night: Mostly clear. Lows in the lower 70s. Light and variable winds, becoming southwest around 5 mph.

White Hall, IL

Overnight
Clear
72°22°
0%
Friday
Sunny
92°/ 68° 33°/ 20°
20%
Saturday
Partly Cloudy
92°/ 70° 33°/ 21°
20%
Sun-Sun Night
Thunderstorms
90°32°
50%
Monday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
20%
Wednesday
Cloudy
78°26°
0%
Thursday
Cloudy
78°26°
0%

Night: Mostly clear. Lows in the lower 70s. North winds around 5 mph.

Greenville, IL

Overnight
Clear
72°22°
0%
Friday
Thunderstorms
92°/ 70° 33°/ 21°
20%
Saturday
Sunny
95°/ 72° 35°/ 22°
0%
Sunday
Thunderstorms
92°/ 68° 33°/ 20°
40%
Monday
Thunderstorms
82°/ 60° 28°/ 16°
50%
Tuesday
Rain Showers
75°/ 58° 24°/ 14°
20%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°14°
0%

Night: Mostly clear. Lows in the lower 70s. Light and variable winds, becoming northwest around 5 mph.

Pinckneyville, IL

Tonight
Clear
72°22°
0%
Friday
Thunderstorms
98°/ 72° 37°/ 22°
20%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Monday
Thunderstorms
88°/ 62° 31°/ 17°
40%
Tuesday
Cloudy
82°28°
0%
Wednesday
Cloudy
82°28°
0%
Thursday
Cloudy
82°28°
0%

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

Montgomery, MO

Overnight
Clear
72°22°
0%
Friday
Thunderstorms
92°/ 70° 33°/ 21°
20%
Saturday
Partly Cloudy
92°/ 70° 33°/ 21°
20%
Sunday
Thunderstorms
88°31°
40%
Sun Night-Mon
Thunderstorms
65°18°
60%
Mon Night-Tue
Rain Showers
58°14°
20%
Tue Night
Cloudy
55°13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

Night: Clear. Lows in the lower 70s. North winds around 5 mph.

Perryville, MO

Tonight
Clear
72°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°/ 62° 31°/ 17°
50%
Tuesday
Cloudy
80°27°
0%
Wednesday
Cloudy
80°27°
0%
Thursday
Cloudy
80°27°
0%

Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph, becoming southwest after midnight.

Carbondale, IL

Tonight
Clear
72°22°
0%
Friday
Sunny
98°/ 72° 37°/ 22°
0%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Monday
Thunderstorms
88°/ 65° 31°/ 18°
40%
Tuesday
Cloudy
80°27°
0%
Wednesday
Cloudy
80°27°
0%
Thursday
Cloudy
80°27°
0%

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

Litchfield, IL

Overnight
Clear
72°22°
0%
Friday
Rain Showers
92°/ 68° 33°/ 20°
20%
Saturday
Sunny
92°/ 70° 33°/ 21°
0%
Sunday
Thunderstorms
92°33°
20%
Sun Night-Mon
Thunderstorms
65°18°
50%
Mon Night
Thunderstorms
58°14°
20%
Tuesday
Partly Cloudy
75°/ 55° 24°/ 13°
0%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

Night: Mostly clear. Lows in the lower 70s. West winds around 5 mph, becoming north.

Mount Vernon, IL

Tonight
Clear
72°22°
0%
Friday
Thunderstorms
98°/ 72° 37°/ 22°
20%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Mon-Mon Night
Rain Showers
88°31°
40%
Tuesday
Cloudy
82°28°
0%
Wednesday
Cloudy
82°28°
0%
Thursday
Cloudy
82°28°
0%

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

Quincy, MO

Overnight
Mostly Cloudy
72°22°
0%
Friday
Mostly Cloudy
88°/ 72° 31°/ 22°
0%
Saturday
Mostly Cloudy
90°/ 70° 32°/ 21°
50%
Sun-Sun Night
Thunderstorms
82°28°
70%
Monday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
20%
Wed Night
Cloudy
58°14°
0%
Thursday
Rain Showers
75°24°
20%

Night: Mostly clear late this evening, then becoming mostly cloudy. Lows in the lower 70s. Northeast winds around 5 mph. Gusts up to 20 mph.

Cape Girardeau, MO

Tonight
Clear
72°22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
98°/ 72° 37°/ 22°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Monday
Rain Showers
90°/ 65° 32°/ 18°
40%
Tuesday
Cloudy
82°28°
0%
Wednesday
Cloudy
82°28°
0%
Thursday
Cloudy
82°28°
0%

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

Marble Hill, MO

Tonight
Clear
72°22°
0%
Friday
Sunny
95°/ 72° 35°/ 22°
0%
Saturday
Sunny
95°/ 70° 35°/ 21°
0%
Sun-Sun Night
Cloudy
95°35°
0%
Monday
Thunderstorms
88°/ 65° 31°/ 18°
50%
Tuesday
Cloudy
82°28°
0%
Wednesday
Cloudy
82°28°
0%
Thursday
Cloudy
82°28°
0%

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

Names listed above may include county names.

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