Cullom, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Cullom, IL in one place.
Showers and thunderstorms likely. Partly sunny, with a high near 75. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
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: Apr 15, 2026 7:30 AM CDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for Cullom, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 7:30 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Cullom
Friday looks like the warmest upcoming period in Cullom at 82 degrees F.
Sunday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph WSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 7:30 AM 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
Showers and thunderstorms likely before 7pm. Mostly clear, with a low around 53. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Mostly sunny, with a high near 82.
Showers and thunderstorms after 7pm. Mostly cloudy, with a low around 52.
Showers and thunderstorms. Partly sunny, with a high near 67.
A chance of rain showers before 1am. Partly cloudy, with a low around 35.
Sunny, with a high near 55.
Mostly clear, with a low around 34.
Sunny, with a high near 64.
Mostly clear, with a low around 46.
Sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Showers And Thunderstorms Likely
|
75°F |
10 to 15 mph
WSW
|
|
Thursday Night
Apr 16
|
Showers And Thunderstorms Likely then Mostly Clear
|
53°F |
5 to 10 mph
SW
|
|
Friday
Apr 17
|
Mostly Sunny
|
82°F |
5 to 15 mph
SSE
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
52°F |
15 mph
S
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
67°F |
15 to 20 mph
WSW
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
35°F |
10 to 20 mph
W
|
|
Sunday
Apr 19
|
Sunny
|
55°F |
10 to 20 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
34°F |
5 to 15 mph
W
|
|
Monday
Apr 20
|
Sunny
|
64°F |
5 to 10 mph
SW
|
|
Monday Night
Apr 20
|
Mostly Clear
|
46°F |
10 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
74°F |
10 to 20 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cullom.