Nelson, IL Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Nelson, IL in one place.
A slight chance of rain showers before 11am. Mostly cloudy, with a high near 67. East wind around 5 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Nelson, 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: Sep 24, 2026 11:18 AM CDT.
The active forecast window currently covers Sep 25 to Sep 30, 2026 for Nelson, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 25 to Sep 30, 2026
- Latest sync
- Sep 24, 2026 11:18 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Nelson
Tuesday looks like the warmest upcoming period in Nelson at 71 degrees F.
Friday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Tuesday Night at about 10 to 15 mph SE.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 24, 2026 11:18 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KDVN
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 52. East wind around 5 mph.
Mostly cloudy, with a high near 65. East southeast wind 5 to 10 mph.
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 20%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 67.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 68.
Partly cloudy, with a low around 54.
A chance of rain showers after 7am. Mostly sunny, with a high near 71.
Rain showers likely before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 60.
Showers and thunderstorms likely. Mostly cloudy, with a high near 68.
A chance of rain showers. Mostly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Sep 25
|
Slight Chance Rain Showers then Mostly Cloudy
|
67°F |
5 mph
E
|
|
Friday Night
Sep 25
|
Mostly Cloudy
|
52°F |
5 mph
E
|
|
Saturday
Sep 26
|
Mostly Cloudy
|
65°F |
5 to 10 mph
ESE
|
|
Saturday Night
Sep 26
|
Mostly Cloudy then Slight Chance Rain Showers
|
53°F |
0 to 5 mph
ESE
|
|
Sunday
Sep 27
|
Slight Chance Rain Showers then Partly Sunny
|
67°F |
0 to 5 mph
ESE
|
|
Sunday Night
Sep 27
|
Partly Cloudy
|
52°F |
0 mph
|
|
Monday
Sep 28
|
Mostly Sunny
|
68°F |
0 to 5 mph
ESE
|
|
Monday Night
Sep 28
|
Partly Cloudy
|
54°F |
0 to 5 mph
SE
|
|
Tuesday
Sep 29
|
Chance Rain Showers
|
71°F |
5 to 10 mph
SSE
|
|
Tuesday Night
Sep 29
|
Rain Showers Likely
|
60°F |
10 to 15 mph
SE
|
|
Wednesday
Sep 30
|
Showers And Thunderstorms Likely
|
68°F |
10 to 15 mph
S
|
|
Wednesday Night
Sep 30
|
Chance Rain Showers
|
57°F |
5 to 10 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Nelson.