Columbus, IL Weather Forecast
Local 7-day forecast
Areas Of Fog
Track current conditions, temperature changes, wind, and the full daily outlook for Columbus, IL in one place.
Areas of fog and a slight chance of rain showers. Mostly cloudy. Low around 63, with temperatures rising to around 67 overnight. East wind around 6 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Columbus, 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 27, 2026 3:09 AM CDT.
The active forecast window currently covers Jun 27 to Jul 3, 2026 for Columbus, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 27 to Jul 3, 2026
- Latest sync
- Jun 27, 2026 3:09 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Columbus
Wednesday looks like the warmest upcoming period in Columbus at 95 degrees F.
Overnight is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Sunday at about 9 to 15 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 27, 2026 3:09 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Areas of fog and a slight chance of rain showers before 10am. Mostly cloudy, with a high near 81. East wind around 6 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms between 7pm and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind 6 to 9 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 90. Heat index values as high as 103. South wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Mostly clear, with a low around 75. South wind 9 to 14 mph, with gusts as high as 23 mph.
Mostly sunny, with a high near 92.
Mostly clear, with a low around 76.
Sunny, with a high near 94.
Clear, with a low around 76.
Sunny, with a high near 95.
Mostly clear, with a low around 76.
Sunny, with a high near 94.
Mostly clear, with a low around 75.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jun 27
|
Areas Of Fog
|
63°F |
6 mph
E
|
|
Saturday
Jun 27
|
Areas Of Fog then Mostly Cloudy
|
81°F |
6 mph
E
|
|
Saturday Night
Jun 27
|
Chance Showers And Thunderstorms
|
70°F |
6 to 9 mph
SE
|
|
Sunday
Jun 28
|
Chance Showers And Thunderstorms then Mostly Sunny
|
90°F |
9 to 15 mph
S
|
|
Sunday Night
Jun 28
|
Mostly Clear
|
75°F |
9 to 14 mph
S
|
|
Monday
Jun 29
|
Mostly Sunny
|
92°F |
10 to 15 mph
S
|
|
Monday Night
Jun 29
|
Mostly Clear
|
76°F |
9 to 13 mph
S
|
|
Tuesday
Jun 30
|
Sunny
|
94°F |
9 to 13 mph
SW
|
|
Tuesday Night
Jun 30
|
Clear
|
76°F |
7 to 13 mph
S
|
|
Wednesday
Jul 1
|
Sunny
|
95°F |
9 mph
S
|
|
Wednesday Night
Jul 1
|
Mostly Clear
|
76°F |
6 to 9 mph
S
|
|
Thursday
Jul 2
|
Sunny
|
94°F |
6 to 9 mph
S
|
|
Thursday Night
Jul 2
|
Mostly Clear
|
75°F |
5 to 9 mph
S
|
|
Friday
Jul 3
|
Sunny then Chance Showers And Thunderstorms
|
93°F |
5 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Columbus.