Jewett, IL Weather Forecast
Local 7-day forecast
Scattered Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Jewett, IL in one place.
Scattered showers and thunderstorms. Mostly sunny, with a high near 89. West southwest wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Jewett, 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: Jul 17, 2026 7:53 PM CDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Jewett, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 7:53 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jewett
Saturday looks like the warmest upcoming period in Jewett at 91 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Tuesday at about 8 to 13 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 7:53 PM 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 sourceExtended Forecast
Scattered showers and thunderstorms before 9pm. Mostly clear, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms between 3pm and 5pm. Sunny, with a high near 91. Heat index values as high as 101. West wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. Northwest wind 2 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 86. Northeast wind around 6 mph.
Mostly clear, with a low around 66. East northeast wind 1 to 5 mph.
Sunny, with a high near 89. South southeast wind 1 to 5 mph.
A chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 73. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 64.
Sunny, with a high near 80.
Mostly clear, with a low around 59.
Sunny, with a high near 80.
Partly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 17
|
Scattered Showers And Thunderstorms
|
89°F |
6 mph
WSW
|
|
Tonight
Jul 17
|
Scattered Showers And Thunderstorms then Mostly Clear
|
72°F |
5 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Chance Showers And Thunderstorms
|
91°F |
6 to 10 mph
W
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
70°F |
2 to 8 mph
NW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
86°F |
6 mph
NE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
66°F |
1 to 5 mph
ENE
|
|
Monday
Jul 20
|
Sunny
|
89°F |
1 to 5 mph
SSE
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
73°F |
5 to 9 mph
SSW
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms
|
91°F |
8 to 13 mph
W
|
|
Tuesday Night
Jul 21
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
64°F |
8 to 13 mph
NW
|
|
Wednesday
Jul 22
|
Sunny
|
80°F |
10 mph
NNW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
59°F |
3 to 9 mph
N
|
|
Thursday
Jul 23
|
Sunny
|
80°F |
5 mph
N
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
60°F |
3 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jewett.