Clark, IA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Clark, IA in one place.
Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms between 1pm and 3pm. Cloudy. High near 74, with temperatures falling to around 72 in the afternoon. East wind 5 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Clark, IA 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 1:36 PM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Clark, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:36 PM CDT
- Forecast office
- OAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Clark
Friday looks like the warmest upcoming period in Clark at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Friday at about 10 to 16 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:36 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- OAX
- Radar station
- KOAX
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 after 3am. Mostly cloudy, with a low around 65. East 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 before 1pm. Partly sunny, with a high near 82. East southeast wind 2 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly clear, with a low around 68. East southeast wind 6 to 10 mph, with gusts as high as 17 mph.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 10 to 16 mph, with gusts as high as 23 mph.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 68. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81. West wind around 8 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North northeast wind 5 to 8 mph.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 71. North wind around 8 mph.
A chance of rain showers before 7pm. Mostly cloudy, with a low around 59. North wind around 6 mph.
Partly sunny, with a high near 70. North wind 5 to 8 mph.
Partly cloudy, with a low around 57. Northeast wind around 5 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Showers And Thunderstorms
|
74°F |
5 to 9 mph
E
|
|
Wednesday Night
Sep 16
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
65°F |
5 mph
E
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
82°F |
2 to 6 mph
ESE
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
68°F |
6 to 10 mph
ESE
|
|
Friday
Sep 18
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
10 to 16 mph
S
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
68°F |
8 to 13 mph
SSW
|
|
Saturday
Sep 19
|
Showers And Thunderstorms Likely
|
81°F |
8 mph
W
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
63°F |
5 to 8 mph
NNE
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
71°F |
8 mph
N
|
|
Sunday Night
Sep 20
|
Chance Rain Showers then Mostly Cloudy
|
59°F |
6 mph
N
|
|
Monday
Sep 21
|
Partly Sunny
|
70°F |
5 to 8 mph
N
|
|
Monday Night
Sep 21
|
Partly Cloudy
|
57°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Clark.