Jewett, IL Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Jewett, IL in one place.
A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 81. South southeast wind 3 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
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: Apr 16, 2026 8:22 PM CDT.
The active forecast window currently covers Apr 17 to Apr 23, 2026 for Jewett, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 23, 2026
- Latest sync
- Apr 16, 2026 8:22 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jewett
Friday looks like the warmest upcoming period in Jewett at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday at about 14 to 17 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 8:22 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
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms. Mostly cloudy. Low around 53, with temperatures rising to around 61 overnight. South southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms. Mostly cloudy. High near 63, with temperatures falling to around 55 in the afternoon. West wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 1am, then patchy frost. Mostly clear, with a low around 37. West northwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Patchy frost before 8am. Sunny, with a high near 59. West northwest wind 6 to 16 mph, with gusts as high as 25 mph.
Patchy frost after 3am. Mostly clear, with a low around 37. North northeast wind 3 to 10 mph, with gusts as high as 17 mph.
Patchy frost before 8am. Sunny, with a high near 64.
Mostly clear, with a low around 50.
Mostly sunny, with a high near 75.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 74.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 54.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
81°F |
3 to 14 mph
SSE
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms
|
53°F |
14 mph
SSW
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
63°F |
14 to 17 mph
W
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
37°F |
6 to 14 mph
WNW
|
|
Sunday
Apr 19
|
Patchy Frost then Sunny
|
59°F |
6 to 16 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear then Patchy Frost
|
37°F |
3 to 10 mph
NNE
|
|
Monday
Apr 20
|
Patchy Frost then Sunny
|
64°F |
3 to 8 mph
SE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
50°F |
6 to 9 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
75°F |
9 to 16 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
55°F |
7 to 12 mph
SW
|
|
Wednesday
Apr 22
|
Mostly Sunny
|
74°F |
6 to 10 mph
SW
|
|
Wednesday Night
Apr 22
|
Partly Cloudy then Slight Chance Rain Showers
|
54°F |
7 mph
SSE
|
|
Thursday
Apr 23
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
76°F |
6 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jewett.