Fairmount, IL Weather Forecast & Current Conditions

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Fairmount Weather Map
UTC Time: 9/19/2026, 19:35
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Fairmount, IL Regional Weather

Expires:202609192000;;724973
ASUS43 KLOT 191910
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 PM CDT SAT SEP 19 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.


ILZ033-039-045-046-055>057-062-063-192000-
EAST-CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      PTSUNNY   79  72  79 S8        29.97F HX  82  TC  26   
RANTOUL*       PTSUNNY   76  73  89 S7        29.97F TC  25           
MATTOON        MOSUNNY   87  70  56 S5        29.96F HX  92  TC  31   
PARIS*         CLOUDY    75  73  91 CALM      29.99F 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

Fairmount, IL

Afternoon
Thunderstorms
85°/ 68° 29°/ 20°
40%
Sunday
Thunderstorms
82°/ 58° 28°/ 14°
50%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
40%
Wednesday
Mostly Cloudy
55°13°
0%
Thursday
Mostly Cloudy
55°13°
0%
Friday
Mostly Cloudy
55°13°
0%

Day: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Near steady temperature in the mid 80s. South winds around 5 mph. Chance of rain 40 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. South winds around 5 mph. Chance of rain 20 percent.

Champaign, IL

Afternoon
Thunderstorms
85°/ 68° 29°/ 20°
20%
Sunday
Thunderstorms
82°/ 58° 28°/ 14°
50%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tue Night-Wed
Mostly Cloudy
52°11°
0%
Wed Night
Mostly Cloudy
52°11°
0%
Thursday
Mostly Cloudy
72°22°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Mostly cloudy with a slight chance of showers and thunderstorms. Near steady temperature in the mid 80s. Southeast winds around 5 mph. Chance of rain 20 percent.

Night: Mostly cloudy. Lows in the upper 60s. South winds around 5 mph.

Paris, IL

Afternoon
Thunderstorms
88°/ 68° 31°/ 20°
40%
Sunday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Monday
Rain Showers
72°/ 55° 22°/ 13°
70%
Tuesday
Rain Showers
70°/ 55° 21°/ 13°
40%
Wednesday
Mostly Cloudy
55°13°
0%
Thursday
Mostly Cloudy
55°13°
0%
Friday
Mostly Cloudy
55°13°
0%

Day: Partly sunny with a chance of showers and thunderstorms. Near steady temperature in the upper 80s. South winds around 5 mph. Chance of rain 40 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. South winds around 5 mph.

Tuscola, IL

Afternoon
Thunderstorms
88°/ 68° 31°/ 20°
20%
Sunday
Thunderstorms
85°/ 60° 29°/ 16°
40%
Monday
Rain Showers
72°/ 55° 22°/ 13°
70%
Tuesday
Mostly Cloudy
70°21°
0%
Wednesday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Thursday
Mostly Cloudy
75°24°
0%
Friday
Mostly Cloudy
75°24°
0%

Day: Mostly cloudy with a slight chance of showers and thunderstorms. Near steady temperature in the upper 80s. Southwest winds around 5 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. South winds around 5 mph.

Charleston, IL

Afternoon
Thunderstorms
90°/ 70° 32°/ 21°
20%
Sunday
Thunderstorms
88°/ 62° 31°/ 17°
50%
Monday
Rain Showers
75°/ 55° 24°/ 13°
70%
Tuesday
Mostly Cloudy
70°21°
0%
Wednesday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Thursday
Mostly Cloudy
75°24°
0%
Friday
Mostly Cloudy
75°24°
0%

Day: Partly sunny with a slight chance of showers and thunderstorms. Near steady temperature around 90. West winds around 5 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows around 70. South winds around 5 mph.

Paxton, IL

Afternoon
Mostly Cloudy
78°/ 68° 26°/ 20°
50%
Sunday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Monday
Rain Showers
68°/ 52° 20°/ 11°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Friday
Mostly Cloudy
75°24°
0%

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

Night: Mostly cloudy. A slight chance of showers in the late evening and early morning. A slight chance of thunderstorms in the late evening and overnight. A chance of showers late. Humid with lows in the upper 60s. Southeast winds around 5 mph, becoming northeast after midnight. Chance of precipitation 50 percent.

Fowler, IN

Afternoon
Thunderstorms
78°/ 68° 26°/ 20°
50%
Sunday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Monday
Rain Showers
68°/ 52° 20°/ 11°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms. Highs in the upper 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers in the evening. A slight chance of thunderstorms late in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds around 5 mph. Chance of precipitation 50 percent.

Watseka, IL

Afternoon
Mostly Cloudy
78°/ 68° 26°/ 20°
50%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
80%
Monday
Rain Showers
68°/ 52° 20°/ 11°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Friday
Mostly Cloudy
75°24°
0%

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

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds around 5 mph, becoming northeast after midnight. Chance of precipitation 50 percent.

Monticello, IL

Afternoon
Thunderstorms
85°/ 68° 29°/ 20°
20%
Sunday
Thunderstorms
82°/ 58° 28°/ 14°
50%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tuesday
Mostly Cloudy
68°20°
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
75°24°
0%
Friday
Mostly Cloudy
75°24°
0%

Day: Mostly cloudy with a slight chance of showers and thunderstorms. Near steady temperature in the mid 80s. South winds around 5 mph. Chance of rain 20 percent.

Night: Mostly cloudy. Lows in the upper 60s. South winds around 5 mph.

Marshall, IL

Afternoon
Thunderstorms
92°/ 70° 33°/ 21°
40%
Sunday
Thunderstorms
90°/ 62° 32°/ 17°
50%
Monday
Rain Showers
75°/ 58° 24°/ 14°
70%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
40%
Wed Night
Mostly Cloudy
55°13°
0%
Thursday
Mostly Cloudy
75°24°
0%
Friday
Mostly Cloudy
75°24°
0%

Day: Mostly sunny with a chance of thunderstorms with a slight chance of showers. Near steady temperature in the lower 90s. West winds around 5 mph. Chance of rain 40 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows around 70. Southeast winds around 5 mph, becoming south after midnight.

Bloomington, IL

Afternoon
Rain Showers
82°/ 68° 28°/ 20°
20%
Sunday
Thunderstorms
78°/ 58° 26°/ 14°
50%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Mostly Cloudy
68°20°
0%
Wednesday
Mostly Cloudy
68°20°
0%
Thu Night
Mostly Cloudy
68°20°
0%
Friday
Partly Cloudy
72°22°
0%

Day: Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the lower 80s. South winds 5 to 10 mph.

Night: Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the upper 60s. South winds 5 to 10 mph, becoming southwest after midnight. Chance of rain 20 percent.

Clinton, IL

Afternoon
Rain Showers
85°/ 68° 29°/ 20°
20%
Sunday
Thunderstorms
80°/ 58° 27°/ 14°
50%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tuesday
Mostly Cloudy
68°20°
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
72°22°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the mid 80s. South winds 5 to 10 mph.

Night: Mostly cloudy. Lows in the upper 60s. South winds around 5 mph.

Sullivan, IL

Afternoon
Thunderstorms
88°/ 68° 31°/ 20°
20%
Sunday
Thunderstorms
88°/ 60° 31°/ 16°
50%
Monday
Rain Showers
72°/ 55° 22°/ 13°
70%
Tuesday
Mostly Cloudy
68°20°
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
75°24°
0%
Friday
Mostly Cloudy
75°24°
0%

Day: Mostly cloudy with a slight chance of showers and thunderstorms. Near steady temperature in the upper 80s. Southwest winds around 5 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. South winds around 5 mph.

Greenup, IL

Afternoon
Thunderstorms
92°/ 70° 33°/ 21°
20%
Sunday
Thunderstorms
90°/ 62° 32°/ 17°
50%
Monday
Rain Showers
75°/ 58° 24°/ 14°
60%
Tuesday
Mostly Cloudy
72°22°
0%
Wednesday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Thursday
Mostly Cloudy
75°24°
0%
Friday
Mostly Cloudy
75°24°
0%

Day: Partly sunny with a slight chance of showers and thunderstorms. Near steady temperature in the lower 90s. West winds around 5 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows around 70. South winds around 5 mph.

Pontiac, IL

Afternoon
Mostly Cloudy
78°/ 68° 26°/ 20°
50%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Monday
Rain Showers
68°/ 52° 20°/ 11°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Friday
Mostly Cloudy
75°24°
0%

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

Night: Mostly cloudy. A slight chance of showers and thunderstorms early in the evening, then a chance of showers and thunderstorms in the late evening and overnight. Humid with lows in the upper 60s. Southeast winds around 5 mph, becoming north after midnight. Chance of precipitation 50 percent.

Decatur, IL

Afternoon
Rain Showers
88°/ 68° 31°/ 20°
20%
Sunday
Thunderstorms
85°/ 60° 29°/ 16°
50%
Monday
Rain Showers
72°/ 55° 22°/ 13°
70%
Tuesday
Mostly Cloudy
68°20°
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
75°24°
0%
Friday
Mostly Cloudy
75°24°
0%

Day: Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the upper 80s. Southwest winds around 5 mph.

Night: Mostly cloudy. Lows in the upper 60s. South winds around 5 mph.

Roselawn, IN

Afternoon
Thunderstorms
75°/ 68° 24°/ 20°
70%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Monday
Rain Showers
65°/ 50° 18°/ 10°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms late. Highs in the mid 70s. Southeast winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers in the evening. A chance of thunderstorms. Showers likely after midnight. Humid with lows in the upper 60s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

Shelbyville, IL

Afternoon
Thunderstorms
90°/ 68° 32°/ 20°
20%
Sunday
Thunderstorms
88°/ 62° 31°/ 17°
50%
Monday
Rain Showers
75°/ 55° 24°/ 13°
70%
Tuesday
Mostly Cloudy
70°21°
0%
Wednesday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Thursday
Mostly Cloudy
75°24°
0%
Friday
Mostly Cloudy
75°24°
0%

Day: Mostly cloudy with a slight chance of showers and thunderstorms. Near steady temperature around 90. West winds around 5 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 60s. South winds around 5 mph.

Rensselaer, IN

Afternoon
Thunderstorms
72°/ 68° 22°/ 20°
70%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Monday
Rain Showers
65°/ 50° 18°/ 10°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms. Near steady temperature in the lower 70s. South winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers in the evening. A chance of thunderstorms. Showers likely after midnight. Humid with lows in the upper 60s. East winds around 5 mph, becoming west after midnight. Chance of precipitation 70 percent.

Robinson, IL

Afternoon
Thunderstorms
92°/ 70° 33°/ 21°
20%
Sunday
Sunny
92°/ 65° 33°/ 18°
50%
Monday
Rain Showers
78°/ 58° 26°/ 14°
50%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
40%
Wed Night
Mostly Cloudy
55°13°
0%
Thursday
Mostly Cloudy
78°26°
0%
Friday
Mostly Cloudy
78°26°
0%

Day: Mostly sunny with a slight chance of showers and thunderstorms. Near steady temperature in the lower 90s. West winds 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows around 70. South winds around 5 mph.

Names listed above may include county names.

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