Dundas, IL Weather Forecast & Current Conditions

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Dundas, IL Weather Maps

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Dundas Weather Map
UTC Time: 10/14/2026, 09:47
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Dundas, IL Regional Weather

Expires:202610141000;;073887
ASUS43 KLOT 140912
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
400 AM CDT WED OCT 14 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.


ILZ067-068-072-073-078-083-087-091-141000-
SOUTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  PTCLDY    70  68  93 S5        29.96F TC  21           
FLORA*         PTCLDY    72  70  94 SW7       29.95F TC  22           
FAIRFIELD*     PTCLDY    73  68  86 SW6       29.96F TC  23           
HARRISBURG*    PTCLDY    71  70  97 CALM      29.97F TC  22           
ROBINSON*      MOCLDY    73  70  88 S6        29.94F TC  23           
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY
$$

  

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

Dundas, IL

Today
Thunderstorms
78°/ 65° 26°/ 18°
90%
Thursday
Thunderstorms
82°/ 52° 28°/ 11°
70%
Friday
Partly Cloudy
60°/ 40° 16°/ 4°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night-Mon
Cloudy
45°7°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Tuesday
Sunny
75°24°
0%

Day: Showers with a chance of thunderstorms. Cooler with highs in the upper 70s. West winds around 5 mph. Chance of rain 90 percent.

Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 30 percent.

Newton, IL

Today
Thunderstorms
78°/ 65° 26°/ 18°
90%
Thursday
Thunderstorms
82°/ 52° 28°/ 11°
80%
Friday
Partly Cloudy
58°/ 38° 14°/ 3°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night-Mon
Cloudy
45°7°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Tuesday
Sunny
75°24°
0%

Day: A chance of thunderstorms. Showers, cooler with highs in the upper 70s. West winds around 5 mph, becoming northwest this afternoon. Chance of rain 90 percent.

Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 30 percent.

Flora, IL

Today
Thunderstorms
78°/ 65° 26°/ 18°
90%
Thursday
Thunderstorms
82°/ 52° 28°/ 11°
70%
Friday
Partly Cloudy
60°/ 38° 16°/ 3°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night-Mon
Cloudy
42°6°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Tuesday
Sunny
75°24°
0%

Day: A chance of thunderstorms. Showers, cooler with highs in the upper 70s. West winds around 5 mph. Chance of rain 90 percent.

Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 40 percent.

Lawrenceville, IL

Today
Thunderstorms
80°/ 65° 27°/ 18°
90%
Thursday
Thunderstorms
82°/ 52° 28°/ 11°
70%
Friday
Partly Cloudy
62°/ 40° 17°/ 4°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night-Mon
Cloudy
45°7°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Tuesday
Sunny
75°24°
0%

Day: Showers with a chance of thunderstorms. Not as warm with highs around 80. West winds around 5 mph. Chance of rain 90 percent.

Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 30 percent.

Robinson, IL

Today
Thunderstorms
78°/ 65° 26°/ 18°
90%
Thursday
Thunderstorms
82°/ 52° 28°/ 11°
70%
Friday
Partly Cloudy
60°/ 38° 16°/ 3°
0%
Sat-Sat Night
Clear
60°16°
0%
Sunday
Sunny
68°20°
0%
Sun Night-Mon
Cloudy
45°7°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Tuesday
Sunny
75°24°
0%

Day: Showers with a chance of thunderstorms. Cooler with highs in the upper 70s. West winds around 5 mph, becoming northwest this afternoon. Chance of rain 90 percent.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 30 percent.

Albion, IL

Overnight
Cloudy
75°24°
0%
Wednesday
Thunderstorms
80°/ 65° 27°/ 18°
100%
Thursday
Thunderstorms
85°/ 55° 29°/ 13°
60%
Friday
Partly Cloudy
62°/ 42° 17°/ 6°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night
Cloudy
48°9°
0%
Wednesday
Cloudy
48°9°
0%
Tuesday
Cloudy
48°9°
0%

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

Effingham, IL

Today
Thunderstorms
78°/ 62° 26°/ 17°
90%
Thursday
Thunderstorms
82°/ 48° 28°/ 9°
80%
Friday
Partly Cloudy
58°/ 38° 14°/ 3°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night-Mon
Cloudy
42°6°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Tuesday
Sunny
75°24°
0%

Day: A chance of thunderstorms. Showers, mainly this morning. Much cooler with highs in the upper 70s. Northwest winds around 5 mph. Chance of rain 90 percent.

Night: Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 40 percent.

Mount Carmel, IL

Overnight
Cloudy
75°24°
0%
Wednesday
Thunderstorms
80°/ 65° 27°/ 18°
100%
Thursday
Thunderstorms
85°/ 55° 29°/ 13°
60%
Friday
Partly Cloudy
62°/ 42° 17°/ 6°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night-Mon
Cloudy
45°7°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Tuesday
Sunny
75°24°
0%

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

Fairfield, IL

Overnight
Cloudy
75°24°
0%
Wednesday
Thunderstorms
80°/ 65° 27°/ 18°
100%
Thursday
Thunderstorms
85°/ 52° 29°/ 11°
70%
Friday
Partly Cloudy
62°/ 38° 17°/ 3°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night
Cloudy
45°7°
0%
Wednesday
Cloudy
45°7°
0%
Tuesday
Cloudy
45°7°
0%

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

Greenup, IL

Today
Thunderstorms
78°/ 62° 26°/ 17°
70%
Thursday
Thunderstorms
80°/ 50° 27°/ 10°
80%
Friday
Partly Cloudy
58°/ 38° 14°/ 3°
0%
Sat-Sat Night
Clear
60°16°
0%
Sunday
Sunny
68°20°
0%
Sun Night
Cloudy
45°7°
0%
Wednesday
Cloudy
45°7°
0%
Tuesday
Cloudy
45°7°
0%

Day: Showers likely with a chance of thunderstorms. Much cooler with highs in the upper 70s. Northwest winds around 5 mph, becoming north around 5 mph this afternoon. Chance of rain 70 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 30 percent.

Marshall, IL

Today
Thunderstorms
78°/ 62° 26°/ 17°
70%
Thursday
Thunderstorms
78°/ 50° 26°/ 10°
90%
Friday
Partly Cloudy
58°/ 38° 14°/ 3°
0%
Saturday
Sunny
60°/ 35° 16°/ 2°
0%
Sun Night-Mon
Cloudy
42°6°
0%
Mon Night
Mostly Cloudy
45°7°
0%
Tuesday
Sunny
75°24°
0%

Day: Showers likely with a chance of thunderstorms. Cooler with highs in the upper 70s. West winds around 5 mph, becoming north this afternoon. Chance of rain 70 percent.

Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Shelbyville, IL

Today
Thunderstorms
78°/ 62° 26°/ 17°
70%
Thursday
Thunderstorms
78°/ 48° 26°/ 9°
80%
Friday
Partly Cloudy
58°/ 35° 14°/ 2°
0%
Sat-Sat Night
Clear
60°16°
0%
Sunday
Sunny
70°21°
0%
Sun Night-Mon
Cloudy
42°6°
0%
Mon Night
Mostly Cloudy
45°7°
0%
Tuesday
Sunny
75°24°
0%

Day: Mostly cloudy with a slight chance of thunderstorms. Showers likely, mainly this morning. Cooler with highs in the upper 70s. North winds around 5 mph. Chance of rain 70 percent.

Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Northeast winds around 5 mph. Chance of rain 40 percent.

Fort Branch, IN

Overnight
Clear
75°24°
0%
Wednesday
Thunderstorms
80°/ 68° 27°/ 20°
100%
Thursday
Thunderstorms
85°/ 55° 29°/ 13°
50%
Friday
Partly Cloudy
62°/ 42° 17°/ 6°
0%
Sat-Sat Night
Clear
60°16°
0%
Sunday
Sunny
68°20°
0%
Sun Night-Mon
Cloudy
45°7°
0%
Mon Night
Mostly Cloudy
50°10°
0%
Tuesday
Sunny
72°22°
0%

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

Litchfield, IL

Tonight
Thunderstorms
70°21°
50%
Wednesday
Thunderstorms
78°/ 62° 26°/ 17°
90%
Thursday
Thunderstorms
82°/ 48° 28°/ 9°
70%
Friday
Partly Cloudy
58°/ 38° 14°/ 3°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°/ 42° 20°/ 6°
0%
Monday
Partly Cloudy
72°/ 45° 22°/ 7°
0%

Night: Mostly cloudy with a chance of showers and thunderstorms. Lows around 70. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Centralia, IL

Tonight
Thunderstorms
75°24°
50%
Wednesday
Thunderstorms
78°/ 65° 26°/ 18°
100%
Thursday
Thunderstorms
85°/ 50° 29°/ 10°
70%
Friday
Partly Cloudy
62°/ 38° 17°/ 3°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night
Cloudy
45°7°
0%
Mon Night
Cloudy
45°7°
0%
Tuesday
Sunny
78°26°
0%

Night: Partly cloudy with a chance of showers and thunderstorms. Near steady temperature in the mid 70s. Southwest winds around 5 mph with gusts up to 20 mph. Chance of rain 50 percent.

Charleston, IL

Today
Thunderstorms
78°/ 62° 26°/ 17°
70%
Thursday
Thunderstorms
78°/ 48° 26°/ 9°
80%
Friday
Partly Cloudy
58°/ 38° 14°/ 3°
0%
Saturday
Sunny
60°/ 35° 16°/ 2°
0%
Sunday
Sunny
68°20°
0%
Sun Night-Mon
Cloudy
45°7°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Tuesday
Sunny
75°24°
0%

Day: Mostly cloudy with a slight chance of thunderstorms. Showers likely, mainly this morning. Cooler with highs in the upper 70s. North winds around 5 mph. Chance of rain 70 percent.

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 60s. Northeast winds 5 to 10 mph.

Carmi, IL

Overnight
Clear
75°24°
0%
Wednesday
Thunderstorms
82°/ 65° 28°/ 18°
100%
Thursday
Rain Showers
85°/ 55° 29°/ 13°
50%
Friday
Partly Cloudy
62°/ 42° 17°/ 6°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night
Cloudy
48°9°
0%
Mon Night
Cloudy
48°9°
0%
Tuesday
Sunny
75°24°
0%

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

Mount Vernon, IL

Overnight
Thunderstorms
75°24°
20%
Wednesday
Thunderstorms
80°/ 65° 27°/ 18°
100%
Thursday
Thunderstorms
85°/ 52° 29°/ 11°
70%
Friday
Partly Cloudy
62°/ 38° 17°/ 3°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
70°21°
0%
Sun Night
Cloudy
45°7°
0%
Mon Night
Cloudy
45°7°
0%
Tuesday
Sunny
78°26°
0%

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

Poseyville, IN

Overnight
Clear
75°24°
0%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
90%
Thursday
Rain Showers
85°/ 55° 29°/ 13°
50%
Friday
Partly Cloudy
62°/ 42° 17°/ 6°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night-Mon
Cloudy
45°7°
0%
Mon Night
Mostly Cloudy
48°9°
0%
Tuesday
Partly Cloudy
75°24°
0%

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

McLeansboro, IL

Overnight
Clear
75°24°
0%
Wednesday
Thunderstorms
82°/ 65° 28°/ 18°
100%
Thursday
Rain Showers
85°/ 52° 29°/ 11°
50%
Friday
Partly Cloudy
62°/ 42° 17°/ 6°
0%
Sat-Sat Night
Clear
62°17°
0%
Sunday
Sunny
68°20°
0%
Sun Night
Cloudy
48°9°
0%
Mon Night
Cloudy
48°9°
0%
Tuesday
Sunny
75°24°
0%

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

Names listed above may include county names.

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