Cullom, IL Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cullom, IL in one place.
Mostly sunny, with a high near 80. Southeast wind 5 to 10 mph.
Local Weather Overview
This forecast page for Cullom, 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: May 30, 2026 5:58 PM CDT.
The active forecast window currently covers May 31 to Jun 5, 2026 for Cullom, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 31 to Jun 5, 2026
- Latest sync
- May 30, 2026 5:58 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Cullom
Friday looks like the warmest upcoming period in Cullom at 88 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Friday at about 5 to 15 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 5:58 PM CDT
- Coverage
- 6 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
Mostly cloudy, with a low around 57. East southeast wind 0 to 5 mph.
Mostly sunny, with a high near 83. East northeast wind 0 to 10 mph.
Mostly clear, with a low around 55.
Sunny, with a high near 82.
Clear, with a low around 52.
Sunny, with a high near 84.
Mostly clear, with a low around 57.
Sunny, with a high near 86.
Partly cloudy, with a low around 64.
A chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 88.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
May 31
|
Mostly Sunny
|
80°F |
5 to 10 mph
SE
|
|
Sunday Night
May 31
|
Mostly Cloudy
|
57°F |
0 to 5 mph
ESE
|
|
Monday
Jun 1
|
Mostly Sunny
|
83°F |
0 to 10 mph
ENE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
55°F |
5 to 10 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
82°F |
5 to 10 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
52°F |
0 to 10 mph
ENE
|
|
Wednesday
Jun 3
|
Sunny
|
84°F |
0 to 5 mph
ESE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
57°F |
0 to 5 mph
SSE
|
|
Thursday
Jun 4
|
Sunny
|
86°F |
5 to 10 mph
SSW
|
|
Thursday Night
Jun 4
|
Partly Cloudy
|
64°F |
5 to 10 mph
SSW
|
|
Friday
Jun 5
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
5 to 15 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
66°F |
5 to 15 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cullom.