West Union, IA Weather Forecast
Local 7-day forecast
Patchy Fog then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for West Union, IA in one place.
Patchy fog before 8am. Sunny, with a high near 91. Heat index values as high as 97. Northwest wind around 5 mph.
Local Weather Overview
This forecast page for West Union, 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: Jul 14, 2026 8:58 PM CDT.
The active forecast window currently covers Jul 15 to Jul 21, 2026 for West Union, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 21, 2026
- Latest sync
- Jul 14, 2026 8:58 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in West Union
Wednesday looks like the warmest upcoming period in West Union at 91 degrees F.
Monday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Monday at about 8 to 14 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 8:58 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
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 70. Heat index values as high as 100. West wind around 3 mph.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 96. Southwest wind around 3 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 70. South wind around 3 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 7am. Sunny, with a high near 89. Southwest wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Sunny, with a high near 89. West wind around 10 mph.
Mostly clear, with a low around 68. Northeast wind 6 to 9 mph.
Sunny, with a high near 87. Southeast wind around 6 mph.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. West wind 8 to 14 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 66. Northwest wind 9 to 14 mph.
Mostly sunny, with a high near 81. Northwest wind 9 to 14 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Patchy Fog then Sunny
|
91°F |
5 mph
NW
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
70°F |
3 mph
W
|
|
Thursday
Jul 16
|
Mostly Sunny then Slight Chance Rain Showers
|
90°F |
3 mph
SW
|
|
Thursday Night
Jul 16
|
Slight Chance Rain Showers then Mostly Clear
|
70°F |
3 mph
S
|
|
Friday
Jul 17
|
Chance Showers And Thunderstorms
|
89°F |
3 to 7 mph
SW
|
|
Friday Night
Jul 17
|
Chance Showers And Thunderstorms then Mostly Clear
|
71°F |
6 to 9 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
89°F |
10 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
68°F |
6 to 9 mph
NE
|
|
Sunday
Jul 19
|
Sunny
|
87°F |
6 mph
SE
|
|
Sunday Night
Jul 19
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
68°F |
6 to 9 mph
SW
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms
|
86°F |
8 to 14 mph
W
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
66°F |
9 to 14 mph
NW
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
81°F |
9 to 14 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around West Union.
