Arenzville, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Arenzville, IL in one place.
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 94, with temperatures falling to around 89 in the afternoon. Heat index values as high as 102. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Arenzville, 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: Sep 15, 2026 2:58 PM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Arenzville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 2:58 PM CDT
- Forecast office
- ILX
- Source
- NOAA / NWS
Daily Outlook
This Week in Arenzville
This Afternoon looks like the warmest upcoming period in Arenzville at 94 degrees F.
Monday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Saturday at about 12 mph SW.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 2:58 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ILX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 69. North northeast wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 1pm. Mostly cloudy, with a high near 88. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Southeast wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91. West northwest wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Northeast wind around 5 mph.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southeast wind around 6 mph.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 70.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 88.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
A slight chance of rain showers before 1pm. Partly sunny, with a high near 73.
Partly cloudy, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Sep 15
|
Chance Showers And Thunderstorms
|
94°F |
5 to 10 mph
WSW
|
|
Tonight
Sep 15
|
Showers And Thunderstorms Likely
|
69°F |
3 to 7 mph
NNE
|
|
Wednesday
Sep 16
|
Showers And Thunderstorms Likely
|
88°F |
5 mph
NE
|
|
Wednesday Night
Sep 16
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
72°F |
5 mph
SE
|
|
Thursday
Sep 17
|
Slight Chance Showers And Thunderstorms
|
91°F |
5 mph
WNW
|
|
Thursday Night
Sep 17
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
69°F |
5 mph
NE
|
|
Friday
Sep 18
|
Slight Chance Showers And Thunderstorms
|
89°F |
6 mph
SE
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
70°F |
5 to 9 mph
SSE
|
|
Saturday
Sep 19
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
88°F |
12 mph
SW
|
|
Saturday Night
Sep 19
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
66°F |
8 mph
WNW
|
|
Sunday
Sep 20
|
Chance Rain Showers
|
78°F |
6 to 10 mph
NNW
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
59°F |
7 to 10 mph
NNE
|
|
Monday
Sep 21
|
Slight Chance Rain Showers
|
73°F |
7 to 12 mph
NNE
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
55°F |
6 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arenzville.