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Chester, IL 62233 Weather
It is 78°F and clear in Chester, IL 62233, observed at 4:55 PM CDT. Tonight: Mostly Cloudy, low 58°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).
Chester, IL 62233 current weather
78°F
Clear
H -- / L 58°Feels like 78°
- Wildfire smoke overhead: light
No rain expected in the next 12 hours
Observed at Perryville Regional Airport (5.6 mi away), 10/30/2026, 4:55 PM CDT
Hourly forecast
NWS, updated 10/30/2026, 3:46 PM PT
7-day forecast
Tap a day for details
Today10/30Low 58°High
Tonight: Mostly cloudy, with a low around 58. East wind 3 to 7 mph.
Mostly CloudySat10/3166% chance of precipitationLow 57°High 74°
Saturday: A chance of rain showers after 1pm. Cloudy, with a high near 74. East wind 2 to 6 mph.
Saturday Night: Rain showers likely after 10pm. Mostly cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 70%.
Cloudy then Chance Rain ShowersSun11/173% chance of precipitationLow 53°High 65°
Sunday: Rain showers likely. Cloudy, with a high near 65. Southeast wind 5 to 8 mph. Chance of precipitation is 70%.
Sunday Night: Cloudy. Low around 53, with temperatures rising to around 57 overnight. Southeast wind around 7 mph.
Rain Showers LikelyMon11/232% chance of precipitationLow 58°High 69°
Monday: A slight chance of rain showers. Cloudy, with a high near 69. Chance of precipitation is 20%.
Monday Night: A chance of rain showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Slight Chance Rain ShowersTue11/370% chance of precipitationLow 54°High 71°
Tuesday: A chance of rain showers before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Showers And Thunderstorms LikelyWed11/436% chance of precipitationLow 49°High 69°
Wednesday: A chance of rain showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Wednesday Night: A slight chance of rain showers before midnight. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.
Chance Rain ShowersThu11/518% chance of precipitationLow 45°High 65°
Thursday: A slight chance of rain showers. Partly sunny, with a high near 65. Chance of precipitation is 20%.
Thursday Night: Partly cloudy, with a low around 45.
Slight Chance Rain ShowersFri11/6Low High 65°
Friday: Mostly sunny, with a high near 65.
Mostly Sunny
Forecast for 37.935, -89.803 from the NWS LSX office, updated 10/30/2026, 3:46 PM PT · Official forecast on weather.gov
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now74°Cloudy1%7 mph
- 7 PM70°Cloudy1%6 mph
- 8 PM68°Mostly Cloudy1%6 mph
- 9 PM67°Mostly Cloudy1%5 mph
- 10 PM65°Mostly Cloudy1%5 mph
- 11 PM64°Mostly Cloudy1%5 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the weather in Chester, IL 62233 right now?
- The latest observation from Perryville Regional Airport was 78°F and clear, reported at 10/30/2026, 4:55 PM CDT.
- Will it rain in Chester, IL 62233 in the next 24 hours?
- The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
- What time is sunrise and sunset in Chester, IL 62233 today?
- Sunrise is about 7:23 AM CDT and sunset is about 6:02 PM CDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Chester, IL 62233?
- At Kaskaskia Rvr Navigation Lock, the 1991 to 2020 normal high in October is 70°F and the normal low is 46°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 0.18 in
- Snow
- 0.00 in
- Ice
- 0.00 in
Nearby hazards
Illinois hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
- Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
- River gauges within 40 miles at or above flood stage: None reported
- Active wildfires within 50 miles: Blake Fire (0 acres)
UV and air quality forecast
EPA and AirNow
- AQI forecast today (St. Louis (Metro-east))
- GoodPM2.5
- AQI forecast tomorrow (St. Louis (Metro-east))
- ModeratePM2.5
Drought
By countyRandolph County, week of 10/27/2026
65% of the county is in moderate drought or worse.
Sun and moon
Local time, center of the area
- Sunrise
- 7:23 AM
- Sunset
- 6:02 PM
- Daylight
- 10 hr 39 min
- Moon
- Waning Gibbous 76% lit
- First light (civil dawn)
- 6:55 AM
- Last light (civil dusk)
- 6:29 PM
- Moonrise
- 9:48 PM
- Moonset
- 12:32 PM
Normal October weather
ClimateNormal October high 70°, low 46°, precipitation 3.07 in for the month. 1991 to 2020 normals at Kaskaskia Rvr Navigation Lock, 8 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA · Official site
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center · Official site
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center · Official site
- National Water Prediction ServiceNOAA National Weather Service · Official site
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center · Official site
- Hazard Mapping System Smoke AnalysisNOAA NESDIS Office of Satellite and Product Operations · Official site
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA · Official site
- AirNowU.S. Environmental Protection Agency · Official site
- NWS HeatRisk (experimental)NOAA National Weather Service · Official site
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA · Official site
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency · Official site
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information · Official site
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services · Official site
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University · Official site
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research · Official site
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About this data
Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.
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