Newton, IL Weather Forecast

Local 7-day forecast

70°
F

Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Newton, IL in one place.

Saturday, August 1, 2026
Wind: 10 mph SSE
Overnight

Showers and thunderstorms before 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South southeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Local 7-day forecast

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: Aug 1, 2026 2:11 AM CDT.

The active forecast window currently covers Aug 1 to Aug 7, 2026 for Newton, IL.

Page Snapshot

Page focus
city weather
Forecast window
Aug 1 to Aug 7, 2026
Latest sync
Aug 1, 2026 2:11 AM CDT
Forecast office
ILX
Source
NOAA / NWS
Next High
78°F
Saturday
Next Low
70°F
Overnight
Rain Outlook
12
Periods mentioning precipitation
Windiest
12 to 15 mph
Sunday

Daily Outlook

Today
Aug 1
Chance Showers And Thunderstorms
78 °F
/ 70°F
Wind 6 to 9 mph
Sun
Aug 2
Rain Showers Likely
77 °F
/ 63°F
Wind 12 to 15 mph
Mon
Aug 3
Mostly Sunny then Chance Rain Showers
79 °F
/ 63°F
Wind 9 mph
Tue
Aug 4
Mostly Sunny then Chance Rain Showers
81 °F
/ 64°F
Wind 5 mph
Wed
Aug 5
Sunny
84 °F
/ 67°F
Wind 5 mph
Thu
Aug 6
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
85 °F
/ 68°F
Wind 6 mph
Fri
Aug 7
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
86 °F
Wind 7 mph

This Week in Newton

Friday looks like the warmest upcoming period in Newton at 86 degrees F.

Sunday Night is the coolest period ahead with temperatures near 63 degrees F.

The strongest winds are forecast for Sunday at about 12 to 15 mph N.

Precipitation is mentioned in 12 upcoming forecast periods.

Forecast Details

Last updated
Aug 1, 2026 2:11 AM CDT
Coverage
7 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 source

Extended Forecast

Saturday
Aug 1
78°F
Chance Showers And Thunderstorms
6 to 9 mph SW

A chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 78. Southwest wind 6 to 9 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night
Aug 1
66°F
Showers And Thunderstorms Likely
3 to 12 mph WNW

Showers and thunderstorms likely. Mostly cloudy, with a low around 66. West northwest wind 3 to 12 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

Sunday
Aug 2
77°F
Rain Showers Likely
12 to 15 mph N

Rain showers likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77. North wind 12 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Sunday Night
Aug 2
63°F
Chance Showers And Thunderstorms then Partly Cloudy
8 to 14 mph N

A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. North wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

Monday
Aug 3
79°F
Mostly Sunny then Chance Rain Showers
9 mph N

A chance of rain showers after 1pm. Mostly sunny, with a high near 79. North wind around 9 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Monday Night
Aug 3
63°F
Chance Rain Showers then Mostly Clear
2 to 7 mph NNE

A chance of rain showers before 7pm. Mostly clear, with a low around 63. North northeast wind 2 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Tuesday
Aug 4
81°F
Mostly Sunny then Chance Rain Showers
5 mph NNE

A chance of rain showers after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 30%.

Tuesday Night
Aug 4
64°F
Chance Rain Showers then Mostly Clear
3 mph ENE

A chance of rain showers before 7pm. Mostly clear, with a low around 64. Chance of precipitation is 30%.

Wednesday
Aug 5
84°F
Sunny
5 mph SSE

Sunny, with a high near 84.

Wednesday Night
Aug 5
67°F
Mostly Clear
3 mph SSE

Mostly clear, with a low around 67.

Thursday
Aug 6
85°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
6 mph S

A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Thursday Night
Aug 6
68°F
Slight Chance Showers And Thunderstorms
5 mph SSE

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68.

Friday
Aug 7
86°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
7 mph S

A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Aug 1
Showers And Thunderstorms
70°F
10 mph
SSE
Saturday
Aug 1
Chance Showers And Thunderstorms
78°F
6 to 9 mph
SW
Saturday Night
Aug 1
Showers And Thunderstorms Likely
66°F
3 to 12 mph
WNW
Sunday
Aug 2
Rain Showers Likely
77°F
12 to 15 mph
N
Sunday Night
Aug 2
Chance Showers And Thunderstorms then Partly Cloudy
63°F
8 to 14 mph
N
Monday
Aug 3
Mostly Sunny then Chance Rain Showers
79°F
9 mph
N
Monday Night
Aug 3
Chance Rain Showers then Mostly Clear
63°F
2 to 7 mph
NNE
Tuesday
Aug 4
Mostly Sunny then Chance Rain Showers
81°F
5 mph
NNE
Tuesday Night
Aug 4
Chance Rain Showers then Mostly Clear
64°F
3 mph
ENE
Wednesday
Aug 5
Sunny
84°F
5 mph
SSE
Wednesday Night
Aug 5
Mostly Clear
67°F
3 mph
SSE
Thursday
Aug 6
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
85°F
6 mph
S
Thursday Night
Aug 6
Slight Chance Showers And Thunderstorms
68°F
5 mph
SSE
Friday
Aug 7
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
86°F
7 mph
S
Jasper County Courthouse in Newton
Jasper County Courthouse in Newton image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.