Arthur, IA Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Arthur, IA in one place.
Mostly cloudy, with a high near 70. North wind 5 to 10 mph.
Local Weather Overview
This forecast page for Arthur, 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 1:43 PM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Arthur, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 1:43 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Arthur
Friday looks like the warmest upcoming period in Arthur at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Friday at about 10 to 15 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 1:43 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KOAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 56. East northeast wind 0 to 5 mph.
A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 67. East southeast wind 5 to 10 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Cloudy, with a low around 61. Southeast wind 0 to 5 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms. Mostly cloudy. High near 76, with temperatures falling to around 73 in the afternoon. Northeast wind 0 to 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. East southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 7am. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 55.
Partly sunny, with a high near 68.
Mostly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Sep 15
|
Mostly Cloudy
|
70°F |
5 to 10 mph
N
|
|
Tonight
Sep 15
|
Mostly Cloudy
|
56°F |
0 to 5 mph
ENE
|
|
Wednesday
Sep 16
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
67°F |
5 to 10 mph
ESE
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
61°F |
0 to 5 mph
SE
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
76°F |
0 to 5 mph
NE
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
ESE
|
|
Friday
Sep 18
|
Showers And Thunderstorms Likely
|
82°F |
10 to 15 mph
S
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
65°F |
5 to 10 mph
WSW
|
|
Saturday
Sep 19
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
76°F |
5 mph
NNW
|
|
Saturday Night
Sep 19
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
59°F |
5 mph
NNE
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
69°F |
5 mph
NNE
|
|
Sunday Night
Sep 20
|
Slight Chance Rain Showers then Mostly Cloudy
|
55°F |
5 mph
N
|
|
Monday
Sep 21
|
Partly Sunny
|
68°F |
5 mph
N
|
|
Monday Night
Sep 21
|
Mostly Cloudy
|
53°F |
0 to 5 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arthur.