Spring Bay, IL Weather Forecast & Current Conditions

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Spring Bay Weather Map
UTC Time: 9/19/2026, 15:27
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Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Spring Bay, IL Regional Weather

Expires:202609191600;;713686
ASUS43 KLOT 191510
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 AM 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.


ILZ028>032-037-038-041>044-048-051>054-059>061-191600-
CENTRAL ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLOUDY    70  68  95 N12       30.03S TC  21           
BLOOMINGTON    PTSUNNY   72  72 100 E9        30.02R TC  22           
DECATUR        PTSUNNY   78  70  76 N12       30.01R HX  80  TC  26   
PEORIA         PTSUNNY   71  66  84 NE10      30.00R TC  22           
LACON*         CLOUDY    67  62  84 E7        30.00F TC  20           
LINCOLN*       PTSUNNY   78  74  89 NE8       30.00R HX  80  TC  26   
SPRINGFIELD    PTSUNNY   75  71  87 N3        29.98R TC  24           
TAYLORVILLE    NOT AVBL                                               
$$


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

Spring Bay, IL

Today
Thunderstorms
85°/ 68° 29°/ 20°
70%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
70°/ 52° 21°/ 11°
0%

Day: Cloudy. A chance of showers and thunderstorms late this morning. Highs in the mid 80s. East winds 5 to 10 mph, becoming southeast this afternoon. Chance of rain 50 percent.

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

Peoria, IL

Today
Thunderstorms
85°/ 68° 29°/ 20°
70%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
70°/ 55° 21°/ 13°
0%

Day: Cloudy. A slight chance of showers and thunderstorms late this morning. Highs in the mid 80s. East winds around 5 mph, becoming south this afternoon. Chance of rain 20 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Humid with lows in the upper 60s. South winds around 5 mph, becoming northwest around 5 mph after midnight. Chance of rain 70 percent.

Pekin, IL

Today
Thunderstorms
85°/ 68° 29°/ 20°
50%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
70°/ 55° 21°/ 13°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms late this morning. Highs in the mid 80s. East winds around 5 mph, becoming southeast this afternoon. Chance of rain 20 percent.

Night: Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the upper 60s. South winds around 5 mph, becoming northwest around 5 mph after midnight. Chance of rain 50 percent.

Lacon, IL

Today
Thunderstorms
82°/ 68° 28°/ 20°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
70°/ 52° 21°/ 11°
0%

Day: Cloudy. Showers likely with a chance of thunderstorms late this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the lower 80s. East winds around 5 mph, becoming southeast this afternoon. Chance of rain 70 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Humid with lows in the upper 60s. South winds around 5 mph, becoming west around 5 mph after midnight. Chance of rain 90 percent.

Toulon, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
90%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
68°/ 55° 20°/ 13°
0%

Day: Cloudy. A chance of showers and thunderstorms late this morning, then a slight chance of showers and thunderstorms this afternoon. Highs in the lower 80s. East winds around 5 mph, becoming south this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Humid with lows in the mid 60s. South winds around 5 mph, becoming northwest after midnight. Chance of rain 90 percent.

Hennepin, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
90%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
90%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
70°/ 55° 21°/ 13°
0%

Day: Mostly cloudy. Patchy fog this morning. Showers and thunderstorms likely, mainly this morning. Highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Patchy fog after midnight. Humid with lows in the mid 60s. South winds around 5 mph, becoming northwest after midnight. Chance of rain 90 percent.

Galesburg, IL

Today
Thunderstorms
85°/ 68° 29°/ 20°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Partly Cloudy
62°/ 52° 17°/ 11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
68°/ 55° 20°/ 13°
0%

Day: A slight chance of thunderstorms late this morning. Cloudy with a slight chance of showers. Highs in the mid 80s. East winds 5 to 10 mph, becoming south this afternoon. Chance of rain 20 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers with thunderstorms likely after midnight. Humid with lows in the upper 60s. South winds around 5 mph, becoming northwest after midnight. Chance of rain 90 percent.

Princeton, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
100%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
90%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
68°/ 52° 20°/ 11°
0%

Day: Mostly cloudy. Patchy fog this morning. Occasional thunderstorms and showers likely this morning, then a chance of showers and thunderstorms this afternoon. Highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 90 percent.

Night: A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Patchy fog after midnight. Humid with lows in the mid 60s. South winds around 5 mph, becoming northwest after midnight. Chance of rain near 100 percent.

Bloomington, IL

Today
Thunderstorms
85°/ 68° 29°/ 20°
70%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Rain Showers
65°/ 50° 18°/ 10°
40%
Wed-Wed Night
Cloudy
68°20°
0%
Thursday
Partly Cloudy
70°/ 52° 21°/ 11°
0%

Day: Mostly cloudy. Showers likely with a chance of thunderstorms late this morning. Highs in the mid 80s. East winds 5 to 10 mph, becoming southeast 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 and thunderstorms after midnight. Humid with lows in the upper 60s. South winds 5 to 10 mph, becoming west after midnight. Chance of rain 50 percent.

Ottawa, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
100%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Wednesday
Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Cloudy
72°22°
0%

Day: Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. East winds 5 to 10 mph, becoming south in the afternoon. Chance of precipitation near 100 percent.

Night: Showers with thunderstorms likely. Humid with lows in the mid 60s. South winds around 5 mph, becoming northwest after midnight. Chance of precipitation near 100 percent.

Canton, IL

Today
Mostly Cloudy
88°/ 68° 31°/ 20°
70%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
70°/ 55° 21°/ 13°
0%

Day: Mostly cloudy. Highs in the upper 80s. South winds 5 to 10 mph.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Humid with lows in the upper 60s. South winds around 5 mph, becoming northwest after midnight. Chance of rain 70 percent.

Havana, IL

Today
Thunderstorms
88°/ 68° 31°/ 20°
50%
Sunday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
72°/ 55° 22°/ 13°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms late this morning. Highs in the upper 80s. Southwest winds around 5 mph, becoming south this afternoon. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. South winds around 5 mph, becoming west after midnight. Chance of rain 50 percent.

Pontiac, IL

Today
Thunderstorms
85°/ 68° 29°/ 20°
70%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
90%
Monday
Rain Showers
68°/ 52° 20°/ 11°
60%
Tuesday
Thunderstorms
65°/ 52° 18°/ 11°
30%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Friday
Cloudy
75°24°
0%

Day: Cloudy. Showers likely and a chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. East winds around 5 mph, becoming south in the afternoon. Chance of precipitation 70 percent.

Night: Cloudy. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Humid with lows in the upper 60s. South winds around 5 mph, becoming west after midnight. Chance of precipitation 70 percent.

Geneseo, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
100%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
68°/ 52° 20°/ 11°
0%

Day: Mostly cloudy. Patchy fog this morning. Showers and thunderstorms likely, mainly this morning. Highs in the lower 80s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

Night: A chance of thunderstorms. Showers. Patchy fog after midnight. Humid with lows in the mid 60s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain near 100 percent.

Lincoln, IL

Today
Thunderstorms
88°/ 68° 31°/ 20°
50%
Sunday
Thunderstorms
80°/ 60° 27°/ 16°
70%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
72°/ 55° 22°/ 13°
0%

Day: Mostly cloudy. A chance of showers and thunderstorms late this morning. Highs in the upper 80s. Southwest winds around 5 mph, becoming southeast this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 60s. South winds around 5 mph, becoming southwest after midnight. Chance of rain 50 percent.

Clinton, IL

Today
Thunderstorms
88°/ 68° 31°/ 20°
50%
Sunday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Monday
Rain Showers
68°/ 52° 20°/ 11°
70%
Tue Night
Mostly Cloudy
52°11°
0%
Wed-Wed Night
Cloudy
68°20°
0%
Thursday
Partly Cloudy
70°/ 55° 21°/ 13°
0%

Day: Mostly cloudy. A chance of showers and thunderstorms late this morning. Highs in the upper 80s. Southwest winds 5 to 10 mph, becoming southeast this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy. A 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 40 percent.

Petersburg, IL

Today
Thunderstorms
90°/ 68° 32°/ 20°
40%
Sunday
Thunderstorms
82°/ 60° 28°/ 16°
70%
Monday
Rain Showers
68°/ 55° 20°/ 13°
70%
Tue Night
Cloudy
52°11°
0%
Wednesday
Cloudy
52°11°
0%
Thursday
Cloudy
52°11°
0%
Friday
Cloudy
52°11°
0%

Day: Mostly cloudy. A chance of showers with a slight chance of thunderstorms late this morning. Highs around 90. Southwest winds around 5 mph. Chance of rain 40 percent.

Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. South winds around 5 mph, becoming southwest after midnight. Chance of rain 40 percent.

Macomb, IL

Today
Mostly Cloudy
88°/ 68° 31°/ 20°
70%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
90%
Monday
Rain Showers
62°/ 52° 17°/ 11°
70%
Tue Night
Cloudy
52°11°
0%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
68°/ 55° 20°/ 13°
0%

Day: Patchy fog this morning. Mostly cloudy. Highs in the upper 80s. South winds 5 to 10 mph.

Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Humid with lows in the upper 60s. South winds around 5 mph, becoming northwest after midnight. Chance of rain 70 percent.

Monmouth, IL

Today
Thunderstorms
85°/ 65° 29°/ 18°
80%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
40%
Wed Night
Cloudy
50°10°
0%
Thursday
Partly Cloudy
68°/ 55° 20°/ 13°
0%

Day: Mostly cloudy. Patchy fog this morning. A slight chance of showers and thunderstorms this morning, then a slight chance of showers this afternoon. Highs in the mid 80s. South winds 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Humid with lows in the mid 60s. South winds around 5 mph, becoming northwest after midnight. Chance of rain 80 percent.

Aledo, IL

Today
Thunderstorms
85°/ 65° 29°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
70%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
40%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
68°/ 55° 20°/ 13°
0%

Day: Mostly cloudy. Patchy fog this morning. A chance of showers and thunderstorms, mainly this morning. Highs in the mid 80s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Night: A chance of thunderstorms. Showers with lows in the mid 60s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 90 percent.

Names listed above may include county names.

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