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Vernon, IL Weather

It is 64°F and clear in Vernon, IL, observed at 12:35 AM CDT. Today: Cloudy then Chance Rain Showers, high 72°F, low 57°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

Vernon, IL current weather

64°F

Clear

H 72° / L 57°Feels like 64°

Observed at Salem, Salem-Leckrone Airport (12.6 mi away), 10/31/2026, 12:35 AM CDT

Hourly forecast

NWS, updated 10/30/2026, 6:26 PM PT

  1. Now61°
  2. 2 AM60°
  3. 3 AM59°
  4. 4 AM59°
  5. 5 AM58°
  6. 6 AM57°
  7. 7 AM57°
  8. 8 AM57°
  9. 9 AM60°
  10. 10 AM64°
  11. 11 AM67°
  12. 12 PM69°
  13. 1 PM70°
  14. 2 PM71°10%
  15. 3 PM71°11%
  16. 4 PM71°11%
  17. 5 PM71°11%
  18. 6 PM69°10%
  19. 7 PM66°
  20. 8 PM64°
  21. 9 PM63°
  22. 10 PM62°
  23. 11 PM61°
  24. 12 AM61°11%Sun
  25. 1 AM60°14%
  26. 1 AM59°18%
  27. 2 AM59°21%
  28. 3 AM59°28%
  29. 4 AM58°37%
  30. 5 AM58°50%
  31. 6 AM57°68%
  32. 7 AM57°68%
  33. 8 AM59°68%
  34. 9 AM63°68%
  35. 10 AM64°68%
  36. 11 AM63°68%
  37. 12 PM62°32%
  38. 1 PM62°32%
  39. 2 PM62°32%
  40. 3 PM62°32%
  41. 4 PM62°32%
  42. 5 PM60°32%
  43. 6 PM60°16%
  44. 7 PM59°16%
  45. 8 PM58°16%
  46. 9 PM58°16%
  47. 10 PM58°16%
  48. 11 PM58°16%

7-day forecast

Tap a day for details

  • Today10/3111% chance of precipitationLow 57°High 72°

    Saturday: A chance of rain showers after 2pm. Cloudy, with a high near 72. East wind around 7 mph.

    Overnight: Mostly cloudy, with a low around 57. East wind around 5 mph.

    Cloudy then Chance Rain Showers
  • Sun11/168% chance of precipitationLow 52°High 64°

    Sunday: Rain showers likely. Cloudy. High near 64, with temperatures falling to around 60 in the afternoon. Southeast wind 5 to 9 mph. Chance of precipitation is 70%.

    Sunday Night: A slight chance of rain showers. Mostly cloudy, with a low around 52. Southeast wind around 7 mph. Chance of precipitation is 20%.

    Rain Showers Likely
  • Mon11/234% chance of precipitationLow 58°High 68°

    Monday: A chance of rain showers. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.

    Monday Night: A chance of rain showers. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.

    Chance Rain Showers
  • Tue11/367% chance of precipitationLow 54°High 72°

    Tuesday: Rain showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Rain Showers Likely
  • Wed11/454% chance of precipitationLow 49°High 68°

    Wednesday: A chance of rain showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.

    Wednesday Night: A chance of rain showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

    Chance Rain Showers
  • Thu11/524% chance of precipitationLow 45°High 65°

    Thursday: A slight chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 20%.

    Thursday Night: Mostly cloudy, with a low around 45.

    Slight Chance Rain Showers
  • Fri11/6Low High 64°

    Friday: Mostly sunny, with a high near 64.

    Mostly Sunny

Forecast for 38.798, -89.088 from the NWS LSX office, updated 10/30/2026, 6:26 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

  1. Now61°Mostly Cloudy1%5 mph
  2. 2 AM60°Mostly Cloudy1%5 mph
  3. 3 AM59°Cloudy2%5 mph
  4. 4 AM59°Cloudy2%5 mph
  5. 5 AM58°Cloudy2%5 mph
  6. 6 AM57°Cloudy3%5 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 Vernon, IL right now?
The latest observation from Salem, Salem-Leckrone Airport was 64°F and clear, reported at 10/31/2026, 12:35 AM CDT.
What is the high temperature today in Vernon, IL?
The National Weather Service forecast for saturday calls for a high near 72°F. Cloudy then Chance Rain Showers.
Will it rain in Vernon, 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 time is sunrise and sunset in Vernon, IL today?
Sunrise is about 7:22 AM CDT and sunset is about 5:57 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Vernon, IL?
At Vandalia, the 1991 to 2020 normal high in October is 68°F and the normal low is 44°F.

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: None reported

UV and air quality forecast

EPA and AirNow

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

UV index guide · Air quality

Drought

By county

Marion 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
7:22 AM
Sunset
5:57 PM
Daylight
10 hr 35 min
Moon
Waning Gibbous 73% lit
First light (civil dawn)
6:55 AM
Last light (civil dusk)
6:24 PM
Moonrise
10:56 PM
Moonset
1:23 PM

Normal October weather

Climate

Normal October high 68°, low 44°, precipitation 3.26 in for the month. 1991 to 2020 normals at Vandalia, 11 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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