Barr, IL Weather Forecast & Current Conditions

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Barr, IL Weather Maps

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Barr Weather Map
UTC Time: 10/27/2026, 16:55
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Barr, IL Regional Weather

Expires:202610271700;;808640
ASUS43 KLOT 271610
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT TUE OCT 27 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>102-271700-
SOUTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          SUNNY     66  50  55 S7        30.26F TC  19           
BELLEVILLE     MOSUNNY   66  53  63 S3        30.25F TC  19           
CAHOKIA*       MOSUNNY   65  53  65 NW3       30.26F TC  18           
SPARTA*        MOSUNNY   67  48  51 S7        30.29S TC  19           
$$


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

Barr, IL

Today
Mostly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
80°/ 55° 27°/ 13°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Fri-Fri Night
Mostly Cloudy
80°27°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
60%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%
Monday
Thunderstorms
75°24°
60%

Day: Mostly cloudy. Highs in the mid 70s. South winds 5 to 10 mph.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 50s. South winds around 5 mph.

Monroe County, IL

Today
Mostly Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
80°/ 52° 27°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Mostly Cloudy
80°/ 55° 27°/ 13°
0%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
60%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
30%
Monday
Rain Showers
75°24°
50%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the mid 70s. South winds around 5 mph.

Night: Mostly clear. Lows around 50. South winds around 5 mph.

Alton, MO

Today
Mostly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
80°/ 55° 27°/ 13°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Fri-Fri Night
Mostly Cloudy
80°27°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
60%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%
Monday
Thunderstorms
75°24°
60%

Day: Mostly cloudy. Highs in the mid 70s. South winds 5 to 10 mph.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 50s. South winds around 5 mph.

Jefferson County, MO

Today
Mostly Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
80°/ 52° 27°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Mostly Cloudy
80°/ 55° 27°/ 13°
0%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
60%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
30%
Monday
Rain Showers
75°24°
50%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the mid 70s. South winds around 5 mph.

Night: Mostly clear. Lows around 50. South winds around 5 mph.

Chester, IL

Today
Mostly Cloudy
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Fri-Fri Night
Mostly Cloudy
80°27°
0%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
50%
Sun-Sun Night
Rain Showers
75°24°
20%
Monday
Rain Showers
75°24°
50%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the mid 70s. South winds around 5 mph.

Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 40s. South winds around 5 mph.

Alton, IL

Today
Mostly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
80°/ 55° 27°/ 13°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Fri-Fri Night
Mostly Cloudy
80°27°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
60%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%
Monday
Thunderstorms
75°24°
60%

Day: Mostly cloudy. Highs in the mid 70s. South winds 5 to 10 mph.

Night: Partly cloudy in the evening, then clearing. Lows in the lower 50s. South winds around 5 mph.

Centralia, IL

Today
Mostly Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Fri-Fri Night
Mostly Cloudy
80°27°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
50%
Sun-Sun Night
Rain Showers
75°24°
20%
Monday
Rain Showers
72°22°
50%

Day: Mostly cloudy. Highs in the mid 70s. South winds around 5 mph.

Night: Partly cloudy in the evening, then clearing. Lows around 50. South winds around 5 mph in the evening, becoming light and variable.

Farmington, MO

Today
Mostly Cloudy
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Mostly Cloudy
78°/ 55° 26°/ 13°
0%
Saturday
Rain Showers
72°/ 52° 22°/ 11°
50%
Sunday
Rain Showers
75°/ 52° 24°/ 11°
30%
Monday
Rain Showers
75°24°
50%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the lower 70s. South winds around 5 mph.

Night: Mostly clear. Lows in the upper 40s. South winds around 5 mph in the evening, becoming light and variable.

Pinckneyville, IL

Today
Mostly Cloudy
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Fri-Fri Night
Mostly Cloudy
80°27°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
50%
Sun-Sun Night
Mostly Cloudy
75°24°
0%
Monday
Rain Showers
75°24°
50%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the mid 70s. South winds around 5 mph.

Night: Mostly cloudy in the evening, then clearing. Lows in the upper 40s. South winds around 5 mph in the evening, becoming light and variable.

Washington, MO

Today
Mostly Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 55° 26°/ 13°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Friday
Mostly Cloudy
78°/ 55° 26°/ 13°
0%
Saturday
Rain Showers
72°/ 52° 22°/ 11°
50%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%
Monday
Rain Showers
72°22°
60%

Day: Mostly cloudy this morning, then becoming partly sunny. Highs in the mid 70s. South winds around 5 mph.

Night: Mostly clear. Lows in the lower 50s. South winds around 5 mph.

Litchfield, IL

Today
Mostly Cloudy
72°/ 50° 22°/ 10°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Fri-Fri Night
Mostly Cloudy
78°26°
0%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
50%
Sun Night
Rain Showers
55°13°
30%
Monday
Thunderstorms
72°22°
50%

Day: Mostly cloudy. Highs in the lower 70s. South winds 5 to 10 mph.

Night: Partly cloudy in the evening, then clearing. Lows around 50. South winds around 5 mph in the evening, becoming light and variable.

Greene County, IL

Today
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
78°/ 55° 26°/ 13°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Fri-Fri Night
Mostly Cloudy
80°27°
0%
Sat-Sat Night
Rain Showers
72°22°
50%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%
Monday
Thunderstorms
72°22°
60%

Day: Mostly cloudy. Highs in the lower 70s. South winds 5 to 10 mph.

Night: Partly cloudy. Lows in the lower 50s. South winds around 5 mph.

Perryville, MO

Today
Mostly Cloudy
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Fri-Fri Night
Mostly Cloudy
78°26°
0%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
50%
Sun-Sun Night
Mostly Cloudy
75°24°
0%
Monday
Rain Showers
75°24°
50%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the mid 70s. South winds around 5 mph.

Night: Mostly cloudy in the evening, then clearing. Lows in the upper 40s. South winds around 5 mph.

Carbondale, IL

Today
Mostly Cloudy
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Fri-Fri Night
Mostly Cloudy
78°26°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
50%
Sun-Sun Night
Mostly Cloudy
75°24°
0%
Monday
Rain Showers
75°24°
50%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the mid 70s. South winds around 5 mph.

Night: Mostly cloudy in the evening, then clearing. Lows in the upper 40s. South winds around 5 mph in the evening, becoming light and variable.

Mount Vernon, IL

Today
Partly Cloudy
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Fri-Fri Night
Mostly Cloudy
80°27°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
50%
Sun-Sun Night
Mostly Cloudy
75°24°
0%
Monday
Rain Showers
75°24°
50%

Day: Partly sunny. Highs in the mid 70s. South winds around 5 mph.

Night: Mostly cloudy in the evening, then clearing. Lows in the upper 40s. South winds around 5 mph in the evening, becoming light and variable.

Cape Girardeau, MO

Today
Mostly Cloudy
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
78°/ 50° 26°/ 10°
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Fri-Fri Night
Mostly Cloudy
78°26°
0%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
50%
Sun-Sun Night
Mostly Cloudy
75°24°
0%
Monday
Rain Showers
75°24°
40%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the mid 70s. Calm winds, becoming south around 5 mph this afternoon.

Night: Mostly cloudy in the evening, then clearing. Lows in the upper 40s. South winds around 5 mph in the evening, becoming light and variable.

West Frankfort, IL

Today
Partly Cloudy
78°/ 48° 26°/ 9°
0%
Wednesday
Sunny
80°/ 52° 27°/ 11°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Fri-Fri Night
Mostly Cloudy
80°27°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
50%
Sun Night
Mostly Cloudy
55°13°
0%
Monday
Rain Showers
75°24°
50%

Day: Partly sunny. Highs in the upper 70s. Calm winds, becoming south around 5 mph this afternoon.

Night: Mostly cloudy in the evening, then clearing. Lows in the upper 40s. South winds around 5 mph in the evening, becoming light and variable.

Marble Hill, MO

Today
Partly Cloudy
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
78°/ 48° 26°/ 9°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Fri-Fri Night
Mostly Cloudy
78°26°
0%
Saturday
Rain Showers
72°/ 52° 22°/ 11°
50%
Sun-Sun Night
Mostly Cloudy
75°24°
0%
Monday
Rain Showers
75°24°
50%

Day: Partly sunny. Highs in the mid 70s. South winds around 5 mph.

Night: Mostly cloudy in the evening, then clearing. Lows in the upper 40s. South winds around 5 mph in the evening, becoming light and variable.

Herrin, IL

Today
Partly Cloudy
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
80°/ 52° 27°/ 11°
0%
Fri-Fri Night
Mostly Cloudy
78°26°
0%
Saturday
Rain Showers
75°/ 55° 24°/ 13°
50%
Sun Night
Mostly Cloudy
55°13°
0%
Monday
Rain Showers
75°24°
40%

Day: Partly sunny. Highs in the mid 70s. Calm winds, becoming south around 5 mph this afternoon.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s. South winds around 5 mph in the evening, becoming light and variable.

Jonesboro, IL

Today
Mostly Cloudy
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
78°/ 52° 26°/ 11°
0%
Fri-Fri Night
Mostly Cloudy
78°26°
0%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
50%
Sun-Sun Night
Mostly Cloudy
72°22°
0%
Monday
Rain Showers
75°24°
40%

Day: Partly sunny this morning, then becoming mostly cloudy. Highs in the mid 70s. Calm winds, becoming south around 5 mph this afternoon.

Night: Mostly cloudy in the evening, then clearing. Lows in the upper 40s. Calm winds.

Names listed above may include county names.

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