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Junction City, IL Weather

Today: Sunny, high 82°F, low 51°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

Junction City, IL current weather

58°F

Clear

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

H 82° / L 51°

No recent station report. NWS hourly forecast updated 10/28/2026, 11:26 PM PT

Hourly forecast

NWS, updated 10/28/2026, 11:26 PM PT

  1. Now58°
  2. 3 AM56°
  3. 4 AM55°
  4. 5 AM54°
  5. 6 AM52°
  6. 7 AM51°
  7. 8 AM52°
  8. 9 AM60°
  9. 10 AM66°
  10. 11 AM72°
  11. 12 PM76°
  12. 1 PM78°
  13. 2 PM80°
  14. 3 PM82°
  15. 4 PM82°
  16. 5 PM80°
  17. 6 PM76°
  18. 7 PM71°10%
  19. 8 PM67°
  20. 9 PM65°
  21. 10 PM63°
  22. 11 PM62°
  23. 12 AM61°Fri
  24. 1 AM60°
  25. 2 AM59°
  26. 3 AM58°
  27. 4 AM56°
  28. 5 AM56°
  29. 6 AM56°
  30. 7 AM54°
  31. 8 AM56°
  32. 9 AM60°
  33. 10 AM66°
  34. 11 AM70°
  35. 12 PM73°
  36. 1 PM76°
  37. 2 PM77°
  38. 3 PM78°
  39. 4 PM79°
  40. 5 PM77°
  41. 6 PM75°
  42. 7 PM70°
  43. 8 PM65°
  44. 9 PM63°
  45. 10 PM63°
  46. 11 PM62°
  47. 12 AM61°Sat
  48. 1 AM60°

7-day forecast

Tap a day for details

  • Today10/29Low 51°High 82°

    Thursday: Sunny, with a high near 82. Southwest wind 3 to 8 mph.

    Overnight: Clear, with a low around 51. South wind around 3 mph.

    Sunny
  • Fri10/30Low 55°High 79°

    Friday: Partly sunny, with a high near 79. East wind around 6 mph.

    Friday Night: Mostly cloudy, with a low around 55. East wind around 3 mph.

    Partly Sunny
  • Sat10/3131% chance of precipitationLow 53°High 74°

    Saturday: Cloudy, with a high near 74.

    Saturday Night: A chance of rain showers after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Cloudy
  • Sun11/130% chance of precipitationLow 53°High 73°

    Sunday: A chance of rain showers. Partly sunny, with a high near 73. Chance of precipitation is 30%.

    Sunday Night: A slight chance of rain showers after midnight. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.

    Chance Rain Showers
  • Mon11/244% chance of precipitationLow 56°High 73°

    Monday: A chance of rain showers. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.

    Monday Night: A chance of rain showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Chance Rain Showers
  • Tue11/356% chance of precipitationLow 53°High 72°

    Tuesday: Rain showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

    Tuesday Night: A chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.

    Rain Showers Likely
  • Wed11/440% chance of precipitationLow High 70°

    Wednesday: A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 70. Chance of precipitation is 40%.

    Chance Rain Showers

Forecast for 38.576, -89.125 from the NWS LSX office, updated 10/28/2026, 11:26 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. Now58°Clear0%3 mph
  2. 3 AM56°Clear0%3 mph
  3. 4 AM55°Clear0%3 mph
  4. 5 AM54°Clear1%3 mph
  5. 6 AM52°Sunny0%5 mph
  6. 7 AM51°Sunny0%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 high temperature today in Junction City, IL?
The National Weather Service forecast for thursday calls for a high near 82°F. Sunny.
Will it rain in Junction City, 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 Junction City, IL today?
Sunrise is about 7:20 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 Junction City, IL?
At Iuka 12 SW, the 1991 to 2020 normal high in October is 69°F and the normal low is 45°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))
GoodPM2.5

UV index guide · Air quality

Drought

By county

Marion County, week of 10/20/2026

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

Sun and moon

Local time, center of the area

Sunrise
7:20 AM
Sunset
6 PM
Daylight
10 hr 40 min
Moon
Waning Gibbous 89% lit
First light (civil dawn)
6:52 AM
Last light (civil dusk)
6:27 PM
Moonrise
8:32 PM
Moonset
11:30 AM

Normal October weather

Climate

Normal October high 69°, low 45°, precipitation 3.45 in for the month. 1991 to 2020 normals at Iuka 12 SW, 10 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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