Onarga, IL Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Onarga, IL in one place.
A slight chance of rain showers after 5pm. Partly sunny. High near 80, with temperatures falling to around 76 in the afternoon. Northeast wind around 10 mph.
Local Weather Overview
This forecast page for Onarga, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jun 1, 2026 4:37 PM CDT.
The active forecast window currently covers Jun 1 to Jun 7, 2026 for Onarga, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 1 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 4:37 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Onarga
Friday looks like the warmest upcoming period in Onarga at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 15 mph ENE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 1, 2026 4:37 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 53. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 80. East northeast wind 5 to 15 mph.
Mostly clear, with a low around 52. East northeast wind 0 to 10 mph.
Sunny, with a high near 81. East southeast wind 0 to 5 mph.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 85.
Mostly clear, with a low around 63.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jun 1
|
Slight Chance Rain Showers
|
80°F |
10 mph
NE
|
|
Tonight
Jun 1
|
Partly Cloudy
|
53°F |
5 to 10 mph
NNE
|
|
Tuesday
Jun 2
|
Sunny
|
80°F |
5 to 15 mph
ENE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
52°F |
0 to 10 mph
ENE
|
|
Wednesday
Jun 3
|
Sunny
|
81°F |
0 to 5 mph
ESE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
58°F |
5 mph
SSE
|
|
Thursday
Jun 4
|
Mostly Sunny
|
85°F |
5 to 15 mph
SSW
|
|
Thursday Night
Jun 4
|
Mostly Clear
|
63°F |
5 to 10 mph
SSW
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
86°F |
10 to 15 mph
SSW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
SSW
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
SW
|
|
Saturday Night
Jun 6
|
Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
SW
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
SSW
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Onarga.
