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Benton, IL Weather

It is 64°F and clear in Benton, IL, observed at 9:35 PM CDT. Tonight: Slight Chance Rain Showers then Partly Cloudy, low 55°F. Hourly and 10-day forecast from the National Weather Service. Times are local (CDT).

Benton, IL current weather

64°F

Clear

H -- / L 55°Feels like 64°

Observed at Marion - Williamson County Regional Airport (17.6 mi away), 10/29/2026, 9:35 PM CDT

Hourly forecast

NWS, updated 10/29/2026, 7:41 PM PT

  1. Now61°10%
  2. 11 PM61°16%
  3. 12 AM60°Fri
  4. 1 AM59°
  5. 2 AM58°
  6. 3 AM57°
  7. 4 AM57°
  8. 5 AM56°
  9. 6 AM56°
  10. 7 AM55°
  11. 8 AM55°
  12. 9 AM60°
  13. 10 AM66°
  14. 11 AM71°
  15. 12 PM74°
  16. 1 PM77°
  17. 2 PM79°
  18. 3 PM79°
  19. 4 PM80°
  20. 5 PM78°
  21. 6 PM76°
  22. 7 PM71°
  23. 8 PM66°
  24. 9 PM64°
  25. 10 PM63°
  26. 11 PM62°
  27. 12 AM62°Sat
  28. 1 AM61°
  29. 2 AM60°
  30. 3 AM60°
  31. 4 AM59°
  32. 5 AM59°
  33. 6 AM58°
  34. 7 AM58°
  35. 8 AM57°
  36. 9 AM60°
  37. 10 AM65°
  38. 11 AM68°
  39. 12 PM70°
  40. 1 PM72°
  41. 2 PM73°
  42. 3 PM74°
  43. 4 PM74°
  44. 5 PM73°
  45. 6 PM70°
  46. 7 PM68°18%
  47. 8 PM66°18%
  48. 9 PM64°18%

10-day forecast

Tap a day for details

  • Today10/2916% chance of precipitationLow 55°High

    Tonight: A slight chance of rain showers between 11pm and midnight. Partly cloudy, with a low around 55. East northeast wind around 1 mph. Chance of precipitation is 20%.

    Slight Chance Rain Showers then Partly Cloudy
  • Fri10/30Low 57°High 81°

    Friday: Mostly sunny. High near 81, with temperatures falling to around 78 in the afternoon. East wind 2 to 6 mph.

    Friday Night: Mostly cloudy. Low around 57, with temperatures rising to around 59 overnight. East wind around 5 mph.

    Mostly Sunny
  • Sat10/3144% chance of precipitationLow 56°High 75°

    Saturday: Mostly cloudy, with a high near 75. East wind 3 to 8 mph.

    Saturday Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 56. East southeast wind 3 to 7 mph. Chance of precipitation is 40%.

    Mostly Cloudy
  • Sun11/165% chance of precipitationLow 55°High 70°

    Sunday: Rain showers likely before noon, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Southeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Sunday Night: Mostly cloudy, with a low around 55. Southeast wind 3 to 7 mph.

    Rain Showers Likely then Slight Chance Showers And Thunderstorms
  • Mon11/232% chance of precipitationLow 60°High 72°

    Monday: A chance of rain showers. Mostly cloudy, with a high near 72. South southeast wind 6 to 13 mph, with gusts as high as 18 mph.

    Monday Night: A chance of rain showers. Mostly cloudy, with a low around 60. South southeast wind 12 to 15 mph, with gusts as high as 21 mph.

    Chance Rain Showers
  • Tue11/357% chance of precipitationLow 57°High 76°

    Tuesday: A chance of rain showers. Partly sunny, with a high near 76. South southeast wind 16 to 20 mph, with gusts as high as 25 mph.

    Tuesday Night: Rain showers likely. Mostly cloudy, with a low around 57. South southeast wind 10 to 15 mph.

    Chance Rain Showers
  • Wed11/460% chance of precipitationLow 50°High 72°

    Wednesday: Rain showers likely. Mostly cloudy, with a high near 72. South southeast wind 10 to 16 mph, with gusts as high as 20 mph.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 50. South southwest wind 3 to 8 mph.

    Rain Showers Likely
  • Thu11/520% chance of precipitationLow High 66°

    Thursday: A slight chance of rain showers. Mostly sunny, with a high near 66. West wind 5 to 10 mph.

    Slight Chance Rain Showers
  • Fri11/6Model blend10% chance of precipitationLow 42°High 67°

    Friday: Partly cloudy. High near 67°. Low that night near 42°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

  • Sat11/7Model blendLow 40°High 66°

    Saturday: Partly cloudy. High near 66°. Low that night near 40°.

    Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.

Forecast for 38.014, -88.932 from the NWS PAH office, updated 10/29/2026, 7:41 PM PT · Official forecast on weather.gov

Days 9 to 10: NOAA National Blend of Models, station KMDH (Murphysboro/S Illinois Arpt, 23 mi), model run 10/29/2026, 9:00 PM CDT

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now61°Mostly Clear10%1 mph
  2. 11 PM61°Slight Chance Rain Showers16%0 mph
  3. 12 AM60°Partly Cloudy8%0 mph
  4. 1 AM59°Partly Cloudy1%0 mph
  5. 2 AM58°Partly Cloudy1%0 mph
  6. 3 AM57°Partly Cloudy1%0 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Benton, IL right now?
The latest observation from Marion - Williamson County Regional Airport was 64°F and clear, reported at 10/29/2026, 9:35 PM CDT.
Will it rain in Benton, IL 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 is the 10-day forecast for Benton, IL?
The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 6 to Nov 7) come from the NOAA National Blend of Models, with highs of 66°F to 67°F. Model guidance this far out often changes.
What time is sunrise and sunset in Benton, IL today?
Sunrise is about 7:18 AM CDT and sunset is about 6:00 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Benton, IL?
At Benton 2 N, the 1991 to 2020 normal high in October is 68°F and the normal low is 47°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.21 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Illinois hazards

Severe 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 tomorrow (St. Louis (Metro-east))
GoodPM2.5
AQI forecast tomorrow (St. Louis (Metro-east))
ModeratePM2.5

UV index guide · Air quality

Drought

By county

Franklin County, week of 10/27/2026

100% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:18 AM
Sunset
6 PM
Daylight
10 hr 41 min
Moon
Waning Gibbous 83% lit
First light (civil dawn)
6:51 AM
Last light (civil dusk)
6:27 PM
Moonrise
8:33 PM
Moonset
11:27 AM

Normal October weather

Climate

Normal October high 68°, low 47°. 1991 to 2020 normals at Benton 2 N, 2 mi away.

Other places nearby

Data sources

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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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