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Fountain, IL Weather Forecast & Current Conditions

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Fountain, IL Weather Maps

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Fountain Weather Map
UTC Time: 10/6/2026, 11:50
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Fountain, IL Regional Weather

Expires:202610061200;;624846
ASUS43 KLOT 061110
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
600 AM CDT TUE OCT 06 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>102-061200-
SOUTHWEST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLEAR     43  42  95 CALM      30.15R TC   6           
BELLEVILLE     CLEAR     47  46  98 CALM      30.13S TC   8           
CAHOKIA*       CLEAR     44  44 100 CALM      30.14S TC   7           
SPARTA*        CLEAR     44  44 100 CALM      30.15S TC   7           
$$


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

Fountain, IL

Today
Sunny
80°/ 55° 27°/ 13°
0%
Wednesday
Sunny
88°/ 58° 31°/ 14°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Fri-Fri Night
Clear
82°28°
0%
Saturday
Sunny
85°/ 58° 29°/ 14°
20%
Sunday
Sunny
82°/ 60° 28°/ 16°
0%
Columbus Day
Sunny
88°31°
0%

Day: Sunny. Highs around 80. South winds around 5 mph.

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

Jefferson County, MO

Today
Sunny
80°/ 55° 27°/ 13°
0%
Wednesday
Sunny
88°/ 58° 31°/ 14°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Fri-Fri Night
Clear
82°28°
0%
Saturday
Sunny
85°/ 58° 29°/ 14°
20%
Sunday
Sunny
82°/ 60° 28°/ 16°
0%
Columbus Day
Sunny
88°31°
0%

Day: Sunny. Highs around 80. South winds around 5 mph.

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

Alton, MO

Today
Sunny
80°/ 55° 27°/ 13°
0%
Wednesday
Sunny
88°/ 58° 31°/ 14°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Fri-Fri Night
Clear
82°28°
0%
Saturday
Sunny
88°/ 58° 31°/ 14°
20%
Sunday
Sunny
85°/ 62° 29°/ 17°
0%
Columbus Day
Sunny
88°31°
0%

Day: Sunny. Highs around 80. South winds around 5 mph.

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

Alton, IL

Today
Sunny
80°/ 55° 27°/ 13°
0%
Wednesday
Sunny
88°/ 58° 31°/ 14°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Fri-Fri Night
Clear
82°28°
0%
Saturday
Sunny
88°/ 58° 31°/ 14°
20%
Sunday
Sunny
85°/ 62° 29°/ 17°
0%
Columbus Day
Sunny
88°31°
0%

Day: Sunny. Highs around 80. South winds around 5 mph.

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

Chester, IL

Today
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
88°/ 58° 31°/ 14°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°/ 55° 28°/ 13°
0%
Sat Night
Rain Showers
58°14°
20%
Sun-Sun Night
Cloudy
82°28°
0%
Columbus Day
Sunny
85°29°
0%

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

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

Washington, MO

Today
Sunny
82°/ 55° 28°/ 13°
0%
Wednesday
Sunny
88°/ 55° 31°/ 13°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Fri-Fri Night
Clear
85°29°
0%
Saturday
Sunny
85°/ 58° 29°/ 14°
20%
Sunday
Sunny
85°/ 58° 29°/ 14°
0%
Columbus Day
Sunny
88°31°
0%

Day: Sunny. Highs in the lower 80s. South winds around 5 mph.

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

Farmington, MO

Today
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
85°/ 58° 29°/ 14°
0%
Thursday
Sunny
85°/ 55° 29°/ 13°
0%
Friday
Sunny
82°/ 55° 28°/ 13°
0%
Sat Night
Rain Showers
58°14°
20%
Sun Through Columbus Day
Cloudy
82°28°
0%

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

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

Centralia, IL

Today
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
88°/ 55° 31°/ 13°
0%
Thursday
Sunny
82°/ 52° 28°/ 11°
0%
Friday
Sunny
82°/ 55° 28°/ 13°
0%
Sat Night
Rain Showers
58°14°
20%
Sun-Sun Night
Cloudy
80°27°
0%
Columbus Day
Sunny
85°29°
0%

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

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

Greene County, IL

Today
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
88°/ 55° 31°/ 13°
0%
Thursday
Sunny
80°/ 50° 27°/ 10°
0%
Fri Night
Clear
55°13°
0%
Saturday
Sunny
88°/ 58° 31°/ 14°
20%
Sunday
Sunny
85°/ 58° 29°/ 14°
0%
Columbus Day
Sunny
88°31°
0%

Day: Sunny. Highs in the upper 70s. South winds 5 to 10 mph.

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

Perryville, MO

Overnight
Clear
48°9°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
85°/ 58° 29°/ 14°
0%
Thursday
Clear
82°28°
0%
Friday
Clear
82°/ 52° 28°/ 11°
0%
Sat Night Through Columbus Day
Cloudy
58°14°
0%

Night: Clear. Near steady temperature in the upper 40s. Calm winds.

Pinckneyville, IL

Overnight
Clear
45°7°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
88°/ 55° 31°/ 13°
0%
Thursday
Clear
82°28°
0%
Friday
Clear
82°/ 52° 28°/ 11°
0%
Sat Night Through Columbus Day
Cloudy
58°14°
0%

Night: Clear. Lows in the mid 40s. East winds around 5 mph.

Litchfield, IL

Today
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
85°/ 55° 29°/ 13°
0%
Thursday
Sunny
78°/ 50° 26°/ 10°
0%
Fri Night
Clear
52°11°
0%
Saturday
Sunny
85°/ 58° 29°/ 14°
20%
Sunday
Sunny
82°/ 58° 28°/ 14°
0%
Columbus Day
Sunny
85°29°
0%

Day: Sunny. Highs in the upper 70s. South winds around 5 mph.

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

Carbondale, IL

Overnight
Clear
45°7°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
85°/ 58° 29°/ 14°
0%
Thursday
Clear
82°28°
0%
Friday
Clear
82°/ 52° 28°/ 11°
0%
Sat Night Through Columbus Day
Cloudy
58°14°
0%

Night: Clear. Lows in the mid 40s. Northeast winds around 5 mph.

Cape Girardeau, MO

Overnight
Clear
42°6°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
85°/ 58° 29°/ 14°
0%
Thursday
Clear
82°28°
0%
Friday
Clear
82°/ 55° 28°/ 13°
0%
Sat Night Through Columbus Day
Cloudy
58°14°
0%

Night: Clear. Lows in the lower 40s. Northeast winds around 5 mph.

Marble Hill, MO

Overnight
Clear
45°7°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
85°/ 58° 29°/ 14°
0%
Thursday
Clear
82°28°
0%
Friday
Clear
82°/ 52° 28°/ 11°
0%
Sat Night Through Columbus Day
Cloudy
58°14°
0%

Night: Clear. Lows in the mid 40s. Northeast winds around 5 mph.

Mount Vernon, IL

Overnight
Clear
40°4°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
88°/ 55° 31°/ 13°
0%
Thursday
Clear
82°28°
0%
Fri Night
Clear
82°28°
0%
Saturday
Sunny
85°/ 58° 29°/ 14°
0%

Night: Clear. Lows around 40. East winds around 5 mph.

West Frankfort, IL

Overnight
Clear
48°9°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
85°/ 55° 29°/ 13°
0%
Thursday
Clear
82°28°
0%
Fri Night
Clear
82°28°
0%
Saturday
Sunny
85°/ 58° 29°/ 14°
0%

Night: Clear. Near steady temperature in the upper 40s. East winds around 5 mph.

Lake Spring, MO

Tonight
Clear
50°10°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
88°/ 55° 31°/ 13°
0%
Thursday
Clear
85°29°
0%
Fri Night
Clear
85°29°
0%
Saturday
Sunny
85°/ 55° 29°/ 13°
20%
Sunday
Sunny
82°/ 58° 28°/ 14°
0%

Night: Clear. Near steady temperature around 50. Southeast winds around 5 mph.

Northwye, MO

Tonight
Clear
48°9°
0%
Tuesday
Sunny
80°/ 55° 27°/ 13°
0%
Wednesday
Sunny
88°/ 58° 31°/ 14°
0%
Thursday
Sunny
82°/ 55° 28°/ 13°
0%
Fri Night
Clear
55°13°
0%
Saturday
Sunny
85°/ 58° 29°/ 14°
20%
Sun-Sun Night
Clear
85°29°
0%
Columbus Day
Sunny
88°31°
0%

Night: Clear. Lows in the upper 40s. Southeast winds around 5 mph.

Herrin, IL

Overnight
Clear
50°10°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
85°/ 55° 29°/ 13°
0%
Thursday
Clear
82°28°
0%
Friday
Clear
82°/ 52° 28°/ 11°
0%
Sat Night Through Columbus Day
Cloudy
58°14°
0%

Night: Clear. Near steady temperature around 50. East winds around 5 mph.

Names listed above may include county names.

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