Houston, IL Weather Forecast & Current Conditions

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Houston, IL Weather Maps

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Houston Weather Map
UTC Time: 10/10/2026, 16:31
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Houston, IL Regional Weather

Expires:202610101700;;862501
ASUS43 KLOT 101610
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 AM CDT SAT OCT 10 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>102-101700-
SOUTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          SUNNY     68  52  56 SE5       30.11S TC  20           
CAHOKIA*       PTSUNNY   68  53  58 VRB3      30.10S TC  20           
SPARTA*        PTSUNNY   70  52  51 SE5       30.12R TC  21           
$$


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

Houston, IL

Today
Partly Cloudy
78°/ 52° 26°/ 11°
0%
Sunday
Sunny
88°/ 62° 31°/ 17°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
68°20°
0%
Tuesday
Sunny
92°/ 65° 33°/ 18°
20%
Wednesday
Thunderstorms
82°/ 60° 28°/ 16°
50%
Thu Night
Rain Showers
55°13°
40%
Friday
Rain Showers
72°22°
20%

Day: Partly sunny. Cooler with highs in the upper 70s. Southeast winds around 5 mph.

Night: Mostly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Alton, IL

Today
Sunny
82°/ 55° 28°/ 13°
0%
Sunday
Sunny
88°/ 65° 31°/ 18°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
70°21°
0%
Tuesday
Sunny
90°/ 65° 32°/ 18°
50%
Wednesday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Thursday
Thunderstorms
78°/ 55° 26°/ 13°
60%
Friday
Rain Showers
70°21°
20%

Day: Mostly sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. East winds around 5 mph.

Centralia, IL

Today
Mostly Cloudy
78°/ 55° 26°/ 13°
20%
Sunday
Sunny
85°/ 60° 29°/ 16°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
68°20°
0%
Tuesday
Sunny
90°/ 62° 32°/ 17°
20%
Wednesday
Thunderstorms
80°/ 58° 27°/ 14°
60%
Thu Night
Rain Showers
55°13°
20%
Friday
Rain Showers
72°22°
20%

Day: Mostly cloudy. Cooler with highs in the upper 70s. Southeast winds 5 to 10 mph.

Night: Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Pinckneyville, IL

Today
Mostly Cloudy
78°/ 55° 26°/ 13°
20%
Sunday
Sunny
85°/ 60° 29°/ 16°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
65°18°
0%
Tue-Tue Night
Clear
92°33°
0%
Wed-Wed Night
Rain Showers
82°28°
50%
Thursday
Rain Showers
80°/ 55° 27°/ 13°
50%
Friday
Partly Cloudy
72°22°
0%

Day: Mostly cloudy. Highs in the upper 70s. East winds 5 to 10 mph.

Night: Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Monroe County, IL

Today
Sunny
80°/ 52° 27°/ 11°
0%
Sunday
Sunny
88°/ 65° 31°/ 18°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
68°20°
0%
Tuesday
Sunny
92°/ 65° 33°/ 18°
40%
Wednesday
Thunderstorms
82°/ 60° 28°/ 16°
60%
Thursday
Thunderstorms
78°/ 52° 26°/ 11°
60%
Friday
Rain Showers
72°22°
20%

Day: Mostly sunny. Highs around 80. Southeast winds around 5 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Carbondale, IL

Today
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Sunday
Sunny
85°/ 60° 29°/ 16°
0%
Columbus Day
Sunny
90°32°
0%
Mon Night
Clear
65°18°
0%
Tue-Tue Night
Clear
90°32°
0%
Wed-Wed Night
Rain Showers
82°28°
50%
Thursday
Rain Showers
80°/ 55° 27°/ 13°
50%
Friday
Partly Cloudy
72°22°
0%

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

Night: Mostly cloudy. A chance of showers in the evening. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 40 percent.

Perryville, MO

Today
Mostly Cloudy
75°/ 52° 24°/ 11°
20%
Sunday
Sunny
85°/ 62° 29°/ 17°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
65°18°
0%
Tue-Tue Night
Clear
90°32°
0%
Wednesday
Thunderstorms
82°/ 60° 28°/ 16°
50%
Thursday
Rain Showers
80°/ 55° 27°/ 13°
50%
Friday
Partly Cloudy
72°22°
0%

Day: Mostly cloudy. Highs in the mid 70s. South winds around 5 mph, becoming east around 5 mph this afternoon.

Night: Mostly cloudy. A slight chance of showers in the evening. Lows in the lower 50s. Northeast winds around 5 mph. Chance of rain 20 percent.

Jefferson County, MO

Today
Sunny
80°/ 52° 27°/ 11°
0%
Sunday
Sunny
88°/ 65° 31°/ 18°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
68°20°
0%
Tuesday
Sunny
92°/ 65° 33°/ 18°
40%
Wednesday
Thunderstorms
82°/ 60° 28°/ 16°
60%
Thursday
Thunderstorms
78°/ 52° 26°/ 11°
60%
Friday
Rain Showers
72°22°
20%

Day: Mostly sunny. Highs around 80. Southeast winds around 5 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Alton, MO

Today
Sunny
82°/ 55° 28°/ 13°
0%
Sunday
Sunny
88°/ 65° 31°/ 18°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
70°21°
0%
Tuesday
Sunny
90°/ 65° 32°/ 18°
50%
Wednesday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Thursday
Thunderstorms
78°/ 55° 26°/ 13°
60%
Friday
Rain Showers
70°21°
20%

Day: Mostly sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. East winds around 5 mph.

Farmington, MO

Today
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Sunny
88°/ 62° 31°/ 17°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
65°18°
0%
Tuesday
Sunny
92°/ 65° 33°/ 18°
40%
Wednesday
Thunderstorms
82°/ 60° 28°/ 16°
50%
Thu Night-Fri
Rain Showers
55°13°
20%

Day: Mostly sunny. Highs in the upper 70s. Southeast winds around 5 mph.

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

Mount Vernon, IL

Today
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Sunday
Sunny
82°/ 58° 28°/ 14°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
68°20°
0%
Tue-Tue Night
Clear
90°32°
0%
Wed-Wed Night
Rain Showers
82°28°
50%
Thursday
Rain Showers
80°/ 55° 27°/ 13°
50%
Friday
Partly Cloudy
72°22°
0%

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

Night: Mostly cloudy. A chance of showers in the evening. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 40 percent.

West Frankfort, IL

Today
Mostly Cloudy
75°/ 55° 24°/ 13°
50%
Sunday
Partly Cloudy
82°/ 58° 28°/ 14°
0%
Columbus Day
Sunny
90°32°
0%
Mon Night
Clear
65°18°
0%
Tue-Tue Night
Clear
90°32°
0%
Wed-Wed Night
Rain Showers
82°28°
50%
Thursday
Rain Showers
82°/ 55° 28°/ 13°
50%
Friday
Partly Cloudy
72°22°
0%

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

Night: Cloudy. A chance of showers, mainly in the evening. Lows in the mid 50s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Cape Girardeau, MO

Today
Mostly Cloudy
75°/ 55° 24°/ 13°
20%
Sunday
Sunny
85°/ 58° 29°/ 14°
0%
Columbus Day
Sunny
90°32°
0%
Mon Night-Tue
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wednesday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Thursday
Rain Showers
80°/ 55° 27°/ 13°
40%
Friday
Partly Cloudy
72°22°
0%

Day: Mostly cloudy. Highs in the mid 70s. South winds around 5 mph, becoming east this afternoon.

Night: Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Herrin, IL

Today
Rain Showers
75°/ 55° 24°/ 13°
50%
Sunday
Mostly Cloudy
82°/ 60° 28°/ 16°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night-Tue
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wed-Wed Night
Rain Showers
82°28°
50%
Thursday
Rain Showers
80°/ 55° 27°/ 13°
50%
Friday
Partly Cloudy
72°22°
0%

Day: Mostly cloudy. A slight chance of showers this afternoon. Cooler with highs in the mid 70s. East winds 5 to 10 mph. Chance of rain 20 percent.

Night: Cloudy. A chance of showers, mainly in the evening. Lows in the mid 50s. Northeast winds 10 to 15 mph, diminishing to around 5 mph after midnight. Chance of rain 50 percent.

Litchfield, IL

Today
Partly Cloudy
78°/ 55° 26°/ 13°
0%
Sunday
Sunny
85°/ 60° 29°/ 16°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night-Tue
Clear
68°20°
0%
Tue Night
Thunderstorms
60°16°
40%
Wednesday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Thu Night
Rain Showers
52°11°
40%
Friday
Rain Showers
68°20°
20%

Day: Partly sunny. Highs in the upper 70s. Southeast winds around 5 mph.

Night: Mostly cloudy. Lows in the mid 50s. East winds around 5 mph.

Marble Hill, MO

Today
Mostly Cloudy
75°/ 52° 24°/ 11°
0%
Sunday
Sunny
85°/ 58° 29°/ 14°
0%
Columbus Day
Sunny
90°32°
0%
Mon Night-Tue
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wednesday
Thunderstorms
82°/ 60° 28°/ 16°
50%
Thursday
Rain Showers
80°/ 55° 27°/ 13°
50%
Friday
Partly Cloudy
72°22°
0%

Day: Mostly cloudy. Highs in the mid 70s. South winds around 5 mph, becoming east around 5 mph this afternoon.

Night: Mostly cloudy. Lows in the lower 50s. Northeast winds around 5 mph.

Jonesboro, IL

Today
Rain Showers
72°/ 55° 22°/ 13°
50%
Sunday
Partly Cloudy
82°/ 60° 28°/ 16°
0%
Columbus Day
Sunny
88°31°
0%
Mon Night-Tue
Clear
65°18°
0%
Tue Night
Clear
65°18°
0%
Wednesday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Thursday
Rain Showers
80°/ 58° 27°/ 14°
40%
Friday
Partly Cloudy
72°22°
0%

Day: Mostly cloudy. A slight chance of showers this afternoon. Cooler with highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A chance of showers, mainly in the evening. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Washington, MO

Today
Sunny
82°/ 52° 28°/ 11°
0%
Sunday
Sunny
88°/ 65° 31°/ 18°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night
Clear
68°20°
0%
Tuesday
Thunderstorms
90°/ 65° 32°/ 18°
50%
Wednesday
Thunderstorms
82°/ 60° 28°/ 16°
70%
Thursday
Thunderstorms
78°/ 52° 26°/ 11°
60%

Day: Mostly sunny. Highs in the lower 80s. Southeast winds around 5 mph.

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

Greene County, IL

Today
Sunny
82°/ 52° 28°/ 11°
0%
Sunday
Sunny
88°/ 62° 31°/ 17°
0%
Columbus Day
Sunny
92°33°
0%
Mon Night-Tue
Clear
68°20°
0%
Tue Night
Thunderstorms
62°17°
50%
Wed-Wed Night
Thunderstorms
78°26°
70%
Thursday
Thunderstorms
78°/ 52° 26°/ 11°
60%
Friday
Rain Showers
68°20°
20%

Day: Mostly sunny. Highs in the lower 80s. Southeast winds 5 to 10 mph.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. East winds around 5 mph.

McLeansboro, IL

Today
Rain Showers
75°/ 55° 24°/ 13°
50%
Sunday
Mostly Cloudy
82°/ 58° 28°/ 14°
0%
Columbus Day
Sunny
90°32°
0%
Mon Night
Clear
65°18°
0%
Tue-Tue Night
Clear
90°32°
0%
Wed-Wed Night
Rain Showers
82°28°
50%
Thursday
Rain Showers
80°/ 55° 27°/ 13°
50%
Friday
Partly Cloudy
72°22°
0%

Day: Mostly cloudy. A slight chance of showers this afternoon. Highs in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A chance of showers, mainly in the evening. Lows in the mid 50s. Northeast winds 10 to 15 mph. Chance of rain 50 percent.

Names listed above may include county names.

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