City of Arnold Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for City of Arnold in one place.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 105. South wind around 3 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for City of Arnold 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 6:32 AM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for City of Arnold.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 6:32 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in City of Arnold
Thursday looks like the warmest upcoming period in City of Arnold at 97 degrees F.
Sunday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Saturday at about 5 to 8 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 6:32 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 74. South wind around 3 mph.
Sunny. High near 97, with temperatures falling to around 93 in the afternoon.
Mostly clear, with a low around 73.
Sunny, with a high near 94.
Mostly clear, with a low around 72.
Mostly sunny, with a high near 94.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Slight Chance Showers And Thunderstorms
|
96°F |
3 mph
S
|
|
Wednesday Night
Sep 16
|
Partly Cloudy
|
74°F |
3 mph
S
|
|
Thursday
Sep 17
|
Sunny
|
97°F |
5 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
73°F |
2 mph
E
|
|
Friday
Sep 18
|
Sunny
|
94°F |
3 mph
S
|
|
Friday Night
Sep 18
|
Mostly Clear
|
72°F |
5 mph
SE
|
|
Saturday
Sep 19
|
Mostly Sunny
|
94°F |
5 to 8 mph
SW
|
|
Saturday Night
Sep 19
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
69°F |
6 mph
SW
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
84°F |
5 to 8 mph
W
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
62°F |
7 mph
N
|
|
Monday
Sep 21
|
Chance Showers And Thunderstorms
|
77°F |
8 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around City of Arnold.