Custer, IL Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Custer, IL in one place.
A slight chance of rain showers. Mostly cloudy, with a high near 69. South southeast wind 7 to 16 mph, with gusts as high as 24 mph.
Local Weather Overview
This forecast page for Custer, 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: Oct 31, 2026 7:18 PM CDT.
The active forecast window currently covers Nov 2 to Nov 7, 2026 for Custer, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 2 to Nov 7, 2026
- Latest sync
- Oct 31, 2026 7:18 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Custer
Tuesday looks like the warmest upcoming period in Custer at 73 degrees F.
Friday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Tuesday at about 15 to 18 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 31, 2026 7:18 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers. Cloudy, with a low around 59. South wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Rain showers. Mostly cloudy, with a high near 73. South wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely. Mostly cloudy, with a low around 53. South wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.
A slight chance of rain showers before midnight. Mostly cloudy, with a low around 47.
A slight chance of rain showers. Mostly sunny, with a high near 65.
A chance of rain showers. Mostly cloudy, with a low around 45.
A slight chance of rain showers. Partly sunny, with a high near 64.
Mostly cloudy, with a low around 42.
Partly sunny, with a high near 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Nov 2
|
Slight Chance Rain Showers
|
69°F |
7 to 16 mph
SSE
|
|
Monday Night
Nov 2
|
Chance Rain Showers
|
59°F |
16 mph
S
|
|
Tuesday
Nov 3
|
Rain Showers
|
73°F |
15 to 18 mph
S
|
|
Tuesday Night
Nov 3
|
Rain Showers Likely
|
53°F |
6 to 14 mph
S
|
|
Wednesday
Nov 4
|
Chance Rain Showers
|
67°F |
6 to 10 mph
SW
|
|
Wednesday Night
Nov 4
|
Slight Chance Rain Showers then Mostly Cloudy
|
47°F |
6 mph
WNW
|
|
Thursday
Nov 5
|
Slight Chance Rain Showers
|
65°F |
3 to 8 mph
NNW
|
|
Thursday Night
Nov 5
|
Chance Rain Showers
|
45°F |
5 mph
N
|
|
Friday
Nov 6
|
Slight Chance Rain Showers
|
64°F |
5 to 8 mph
N
|
|
Friday Night
Nov 6
|
Mostly Cloudy
|
42°F |
5 mph
N
|
|
Saturday
Nov 7
|
Partly Sunny
|
64°F |
2 to 6 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Custer.