Nelson, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Nelson, IL in one place.
Partly sunny, with a high near 79. East wind 5 to 10 mph.
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: Jun 27, 2026 1:22 AM CDT.
The active forecast window currently covers Jun 27 to Jul 3, 2026 for Nelson, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 27 to Jul 3, 2026
- Latest sync
- Jun 27, 2026 1:22 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Nelson
Wednesday looks like the warmest upcoming period in Nelson at 96 degrees F.
Saturday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Sunday at about 10 to 15 mph SE.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 27, 2026 1:22 AM CDT
- Coverage
- 7 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
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. East southeast wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Heat index values as high as 97. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 92.
Partly cloudy, with a low around 76.
Sunny, with a high near 95.
Mostly clear, with a low around 76.
Sunny, with a high near 96.
Mostly clear, with a low around 75.
Sunny, with a high near 96.
Mostly clear, with a low around 74.
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jun 27
|
Partly Sunny
|
79°F |
5 to 10 mph
E
|
|
Saturday Night
Jun 27
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
ESE
|
|
Sunday
Jun 28
|
Slight Chance Showers And Thunderstorms
|
87°F |
10 to 15 mph
SE
|
|
Sunday Night
Jun 28
|
Partly Cloudy
|
75°F |
10 to 15 mph
SSE
|
|
Monday
Jun 29
|
Sunny
|
92°F |
10 to 15 mph
S
|
|
Monday Night
Jun 29
|
Partly Cloudy
|
76°F |
5 to 15 mph
SSW
|
|
Tuesday
Jun 30
|
Sunny
|
95°F |
5 to 15 mph
SSW
|
|
Tuesday Night
Jun 30
|
Mostly Clear
|
76°F |
5 to 15 mph
SSW
|
|
Wednesday
Jul 1
|
Sunny
|
96°F |
5 to 10 mph
SW
|
|
Wednesday Night
Jul 1
|
Mostly Clear
|
75°F |
5 to 10 mph
SSW
|
|
Thursday
Jul 2
|
Sunny
|
96°F |
5 to 10 mph
SSW
|
|
Thursday Night
Jul 2
|
Mostly Clear
|
74°F |
0 to 10 mph
SSW
|
|
Friday
Jul 3
|
Sunny then Chance Showers And Thunderstorms
|
94°F |
0 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Nelson.