CHESTER, IL 62233 Weather Forecast & Current Conditions
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  62233 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

SPARTA, IL
Current Weather
10:21 PM CDT MAY 22, 2026
Overcast
63°F
Feels Like: 63°F
Dewpoint: 63°F
Rel. Hum.: 100%
Visibility: 10 miles
Wind: Calm
Pressure: 29.93 inches
Last 72 hours

Local Area Snow Depth

Illinois Current Weather

Illinois MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  62233 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

CHESTER, IL 62233
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TODAY
Cloudy with showers likely late this morning, then partly sunny with a chance of showers with a slight chance of thunderstorms this afternoon. Highs around 80. North winds 5 to 10 mph. Chance of rain 70 percent.
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 50s. Northeast winds around 5 mph.
MEMORIAL DAY
Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. East winds around 5 mph.
MONDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 60s. East winds around 5 mph. Chance of rain 30 percent.
TUESDAY
Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs around 80. East winds around 5 mph. Chance of rain 80 percent.
TUESDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 70 percent.
WEDNESDAY
Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
WEDNESDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 50 percent.
THURSDAY
Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50 percent.
THURSDAY NIGHT AND FRIDAY
Showers likely with a chance of thunderstorms. Lows in the mid 60s. Highs around 80. Chance of rain 70 percent.
FRIDAY NIGHT
A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 60. Chance of rain 40 percent.
SATURDAY
Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.

  62233 WEATHER SATELLITE LOOPS
Visible Weather Satellite
CHESTER, IL 62233
Infrared Weather Satellite
CHESTER, IL 62233
  62233 WEATHER RADAR LOOP
NEXRAD Weather Radar
CHESTER, IL 62233
 MOS COMPUTER WEATHER FORECAST

SPARTA, IL 3 hourly weather forecast
weather forecast created  5:00 PM PDT  5/23/2026
Sunday
24 MAY 2026		 CHESTER, IL 62233 weather forecast Day 1, 0 hours 1 AM 65° 65° Mostly Cloudy 44%
RAIN
>2 in		 0% Thunder
( 26% severe)		   CALM 97% 64°
Low 62° CHESTER, IL 62233 weather forecast Day 1, 3 hours 4 AM 63° 64° Mostly Cloudy   CALM 100% 63°
High 79° CHESTER, IL 62233 weather forecast Day 1, 6 hours 7 AM 64° 66° Mostly Cloudy 36%
RAIN
1–2 in		 0% Thunder
( 17% severe)		   CALM 100% 64°

Mostly Cloudy

Chance of Rain

 CHESTER, IL 62233 weather forecast Day 1, 9 hours 10 AM 70° 70° Mostly Cloudy   CALM 84% 65°
CHESTER, IL 62233 weather forecast Day 1, 12 hours 1 PM 76° 78° Mostly Cloudy 7%

 0% Thunder
( 22% severe)		   CALM 71% 66°
CHESTER, IL 62233 weather forecast Day 1, 15 hours 4 PM 77° 79° Partly Cloudy N   2 67% 65°
CHESTER, IL 62233 weather forecast Day 1, 18 hours 7 PM 76° 78° Partly Cloudy 2%

 0% Thunder
( 4% severe)		 NNE   2 69% 65°
CHESTER, IL 62233 weather forecast Day 1, 21 hours 10 PM 68° 68° Partly Cloudy   CALM 90% 65°
Monday
25 MAY 2026		 CHESTER, IL 62233 weather forecast Day 2, 0 hours 1 AM 65° 65° Partly Cloudy 3%

 0% Thunder
( 1% severe)		   CALM 97% 64°
Low 61° CHESTER, IL 62233 weather forecast Day 2, 3 hours 4 AM 63° 64° Mostly Cloudy   CALM 100% 63°
High 80° CHESTER, IL 62233 weather forecast Day 2, 6 hours 7 AM 64° 66° Mostly Cloudy 14%
RAIN
.25–.5 in		 0% Thunder
( 6% severe)		 ENE   2 100% 64°

Partly Cloudy



 CHESTER, IL 62233 weather forecast Day 2, 9 hours 10 AM 73° 73° Partly Cloudy E   5 79% 66°
CHESTER, IL 62233 weather forecast Day 2, 12 hours 1 PM 78° 80° Partly Cloudy 18%
RAIN
<.01 in		 0% Thunder
( 16% severe)		 E   6 67% 66°
CHESTER, IL 62233 weather forecast Day 2, 15 hours 4 PM 78° 80° Partly Cloudy E   6 64% 65°
CHESTER, IL 62233 weather forecast Day 2, 18 hours 7 PM 75° 75° Partly Cloudy 9%

 0% Thunder
( 5% severe)		 E   6 71% 65°
CHESTER, IL 62233 weather forecast Day 2, 21 hours 10 PM 70° 70° Partly Cloudy E   3 87% 66°

SPARTA, IL extended weather forecast
Tuesday
26 MAY 2026		 Wednesday
27 MAY 2026		 Thursday
28 MAY 2026		 Friday
29 MAY 2026		 Saturday
30 MAY 2026
Low 65° Low 67° Low 67° Low 65° Low 61°
High 80° High 80° High 84° High 79° High 77°
CHESTER, IL 62233 weather forecast Day 3 CHESTER, IL 62233 weather forecast Day 4 CHESTER, IL 62233 weather forecast Day 5 CHESTER, IL 62233 weather forecast Day 6 CHESTER, IL 62233 weather forecast Day 7
Mostly Cloudy
29% Rain		 Overcast
65% Rain		 Partly Cloudy
38% Rain		 Overcast
42% Rain		 Overcast
32% Rain
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