Newton, IL Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Newton, IL in one place.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 75. West southwest wind around 12 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Newton, 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 21, 2026 9:39 AM CDT.
The active forecast window currently covers Apr 22 to Apr 27, 2026 for Newton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 27, 2026
- Latest sync
- Apr 21, 2026 9:39 AM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Newton
Thursday looks like the warmest upcoming period in Newton at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Thursday at about 6 to 16 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 21, 2026 9:39 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 56. South southwest wind around 7 mph.
Mostly sunny, with a high near 80. South wind 6 to 16 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 61. South wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 75. South southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 90%.
A slight chance of rain showers. Mostly sunny, with a high near 72.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 51.
Mostly sunny, with a high near 74.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Showers and thunderstorms likely. Partly sunny, with a high near 74.
Showers and thunderstorms likely. Mostly cloudy, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
75°F |
12 mph
WSW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
56°F |
7 mph
SSW
|
|
Thursday
Apr 23
|
Mostly Sunny
|
80°F |
6 to 16 mph
S
|
|
Thursday Night
Apr 23
|
Partly Cloudy then Chance Showers And Thunderstorms
|
61°F |
14 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms
|
75°F |
15 mph
SSW
|
|
Friday Night
Apr 24
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
56°F |
7 to 10 mph
WNW
|
|
Saturday
Apr 25
|
Slight Chance Rain Showers
|
72°F |
10 mph
NNE
|
|
Saturday Night
Apr 25
|
Slight Chance Rain Showers then Partly Cloudy
|
51°F |
8 mph
NE
|
|
Sunday
Apr 26
|
Mostly Sunny
|
74°F |
10 mph
ENE
|
|
Sunday Night
Apr 26
|
Slight Chance Showers And Thunderstorms
|
56°F |
10 mph
E
|
|
Monday
Apr 27
|
Showers And Thunderstorms Likely
|
74°F |
10 to 14 mph
SE
|
|
Monday Night
Apr 27
|
Showers And Thunderstorms Likely
|
55°F |
13 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Newton.