West Branch, IA Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for West Branch, IA in one place.
Showers and thunderstorms. Some of the storms could be severe. Cloudy, with a low around 63. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
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: Apr 15, 2026 3:06 AM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for West Branch, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 3:06 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in West Branch
Friday looks like the warmest upcoming period in West Branch at 81 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday at about 5 to 20 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 3:06 AM CDT
- Coverage
- 7 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
Showers and thunderstorms likely. Mostly cloudy. High near 74, with temperatures falling to around 71 in the afternoon. Southwest wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms likely before 2am. Mostly cloudy. Low around 55, with temperatures rising to around 57 overnight. South wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 74. West wind 5 to 10 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 55.
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 81. Chance of precipitation is 60%.
Showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 40. Chance of precipitation is 80%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 50. Chance of precipitation is 50%.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 33.
Sunny, with a high near 53.
Mostly clear, with a low around 35.
Sunny, with a high near 66.
Mostly clear, with a low around 48.
Sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Showers And Thunderstorms
|
63°F |
10 to 15 mph
SW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
74°F |
5 to 15 mph
SW
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms Likely
|
55°F |
5 to 10 mph
S
|
|
Thursday
Apr 16
|
Slight Chance Rain Showers
|
74°F |
5 to 10 mph
W
|
|
Thursday Night
Apr 16
|
Mostly Clear
|
55°F |
5 mph
S
|
|
Friday
Apr 17
|
Mostly Sunny then Showers And Thunderstorms Likely
|
81°F |
5 to 20 mph
S
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
40°F |
15 mph
SW
|
|
Saturday
Apr 18
|
Chance Showers And Thunderstorms
|
50°F |
15 to 20 mph
NW
|
|
Saturday Night
Apr 18
|
Slight Chance Rain Showers then Mostly Clear
|
33°F |
10 to 15 mph
W
|
|
Sunday
Apr 19
|
Sunny
|
53°F |
10 to 15 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
35°F |
5 to 10 mph
W
|
|
Monday
Apr 20
|
Sunny
|
66°F |
5 to 15 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
48°F |
10 to 15 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
71°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around West Branch.
