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Cornell, IL Weather

Today: Sunny, high 79°F, low 57°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

Cornell, IL current weather

79°F

Sunny

Forecast for this hour. No recent report from a nearby station.

H 79° / L 57°

  • No rain expected in the next 12 hours

No recent station report. NWS hourly forecast updated 10/28/2026, 1:41 PM PT

Hourly forecast

NWS, updated 10/28/2026, 1:41 PM PT

  1. Now79°
  2. 4 PM77°
  3. 5 PM75°
  4. 6 PM71°
  5. 7 PM68°
  6. 8 PM66°
  7. 9 PM65°
  8. 10 PM63°
  9. 11 PM61°
  10. 12 AM60°Thu
  11. 1 AM60°
  12. 2 AM59°
  13. 3 AM60°
  14. 4 AM59°12%
  15. 5 AM59°12%
  16. 6 AM58°12%
  17. 7 AM57°10%
  18. 8 AM57°10%
  19. 9 AM62°10%
  20. 10 AM67°16%
  21. 11 AM69°16%
  22. 12 PM70°16%
  23. 1 PM69°25%
  24. 2 PM67°25%
  25. 3 PM66°25%
  26. 4 PM67°
  27. 5 PM67°
  28. 6 PM62°
  29. 7 PM59°
  30. 8 PM56°
  31. 9 PM54°
  32. 10 PM52°
  33. 11 PM50°
  34. 12 AM49°Fri
  35. 1 AM48°
  36. 2 AM46°
  37. 3 AM45°
  38. 4 AM44°
  39. 5 AM43°
  40. 6 AM42°
  41. 7 AM41°
  42. 8 AM46°
  43. 9 AM50°
  44. 10 AM56°
  45. 11 AM60°
  46. 12 PM63°
  47. 1 PM65°17%
  48. 2 PM66°17%

7-day forecast

Tap a day for details

  • Today10/2812% chance of precipitationLow 57°High 79°

    This Afternoon: Sunny. High near 79, with temperatures falling to around 75 in the afternoon. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Tonight: Mostly clear. Low around 57, with temperatures rising to around 59 overnight. South wind 5 to 10 mph.

    Sunny
  • Thu10/2925% chance of precipitationLow 41°High 70°

    Thursday: A slight chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms between 1pm and 4pm. Mostly sunny. High near 70, with temperatures falling to around 67 in the afternoon. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

    Thursday Night: Mostly clear, with a low around 41. North northeast wind 0 to 5 mph, with gusts as high as 10 mph.

    Slight Chance Showers And Thunderstorms
  • Fri10/3066% chance of precipitationLow 52°High 67°

    Friday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 67. East wind 0 to 5 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Friday Night: A slight chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.

    Mostly Sunny then Slight Chance Showers And Thunderstorms
  • Sat10/3166% chance of precipitationLow 51°High 66°

    Saturday: Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 66.

    Saturday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 51.

    Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
  • Sun11/136% chance of precipitationLow 52°High 70°

    Sunday: A chance of rain showers. Mostly cloudy, with a high near 70.

    Sunday Night: Mostly cloudy, with a low around 52.

    Chance Rain Showers
  • Mon11/242% chance of precipitationLow 56°High 71°

    Monday: A chance of rain showers. Partly sunny, with a high near 71.

    Monday Night: A chance of rain showers. Mostly cloudy, with a low around 56.

    Chance Rain Showers
  • Tue11/358% chance of precipitationLow 54°High 71°

    Tuesday: Rain showers likely. Partly sunny, with a high near 71.

    Tuesday Night: Rain showers likely. Mostly cloudy, with a low around 54.

    Rain Showers Likely

Forecast for 40.993, -88.729 from the NWS LOT office, updated 10/28/2026, 1:41 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. Now79°Sunny1%15 mph
  2. 4 PM77°Sunny1%15 mph
  3. 5 PM75°Sunny1%10 mph
  4. 6 PM71°Mostly Clear1%10 mph
  5. 7 PM68°Mostly Clear1%5 mph
  6. 8 PM66°Mostly Clear1%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 (last 50 min) and GOES

Latest

Frequently asked questions

What is the high temperature today in Cornell, IL?
The National Weather Service forecast for this afternoon calls for a high near 79°F. Sunny.
Will it rain in Cornell, 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 Cornell, IL today?
Sunrise is about 7:21 AM CDT and sunset is about 5:55 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Cornell, IL?
At Streator 3 SE, the 1991 to 2020 normal high in October is 65°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

Drought

By county

Livingston County, week of 10/20/2026

No drought or abnormal dryness in this county.

Sun and moon

Local time, center of the area

Sunrise
7:21 AM
Sunset
5:55 PM
Daylight
10 hr 34 min
Moon
Waning Gibbous 92% lit
First light (civil dawn)
6:53 AM
Last light (civil dusk)
6:24 PM
Moonrise
7:19 PM
Moonset
10:27 AM

Normal October weather

Climate

Normal October high 65°, low 44°, precipitation 2.98 in for the month. 1991 to 2020 normals at Streator 3 SE, 8 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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