West Branch, IA Weather Forecast
Local 7-day forecast
Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for West Branch, IA in one place.
A slight chance of rain showers between 3pm and 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers and thunderstorms. Sunny. High near 83, with temperatures falling to around 81 in the afternoon. Northwest wind around 5 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for West Branch, 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: Oct 12, 2026 9:25 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for West Branch, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 9:25 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in West Branch
Tuesday looks like the warmest upcoming period in West Branch at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Friday at about 15 to 20 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 9:25 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 62. North wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers. Mostly cloudy, with a high near 72. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 69. Chance of precipitation is 80%.
Rain showers likely before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Mostly sunny, with a high near 58.
Mostly clear, with a low around 37.
Sunny, with a high near 58.
Clear, with a low around 40.
Sunny, with a high near 65.
Partly cloudy, with a low around 47.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny then Chance Showers And Thunderstorms
|
83°F |
5 mph
NW
|
|
Tuesday Night
Oct 13
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
62°F |
5 mph
N
|
|
Wednesday
Oct 14
|
Rain Showers
|
72°F |
5 to 10 mph
NE
|
|
Wednesday Night
Oct 14
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
57°F |
5 to 10 mph
NE
|
|
Thursday
Oct 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
69°F |
10 mph
NE
|
|
Thursday Night
Oct 15
|
Rain Showers Likely
|
49°F |
10 to 15 mph
NW
|
|
Friday
Oct 16
|
Mostly Sunny
|
58°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
37°F |
0 to 15 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
58°F |
0 to 5 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
40°F |
5 mph
S
|
|
Sunday
Oct 18
|
Sunny
|
65°F |
10 to 15 mph
S
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
47°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around West Branch.
