O Brien County, IA Weather Forecast
County weather hub
Partly Cloudy
Compare major city weather across O'Brien County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly cloudy. Low around 58, with temperatures rising to around 62 overnight. East southeast wind around 10 mph.
County Weather Overview
This county weather page brings together forecast coverage for O'Brien County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in O'Brien County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 2 to Jun 8, 2026
- Latest sync
- Jun 2, 2026 2:11 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in O'Brien County
Monday looks like the warmest upcoming period in O'Brien County at 86 degrees F.
Overnight is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 20 mph S.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 2, 2026 2:11 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly sunny, with a high near 80. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly cloudy. Low around 58, with temperatures rising to around 61 overnight. Southeast wind 10 to 15 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 81. South wind 10 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely. Mostly cloudy. Low around 59, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Cloudy, with a high near 79. South southwest wind 10 to 15 mph. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jun 2
|
Partly Cloudy
|
58°F |
10 mph
ESE
|
|
Tuesday
Jun 2
|
Partly Sunny
|
80°F |
10 to 15 mph
SE
|
|
Tuesday Night
Jun 2
|
Mostly Cloudy
|
58°F |
10 to 15 mph
SE
|
|
Wednesday
Jun 3
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
81°F |
10 to 20 mph
S
|
|
Wednesday Night
Jun 3
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
59°F |
15 mph
S
|
|
Thursday
Jun 4
|
Showers And Thunderstorms Likely
|
79°F |
10 to 15 mph
SSW
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms
|
61°F |
5 to 10 mph
S
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
84°F |
5 to 10 mph
S
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
62°F |
5 to 10 mph
SW
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
84°F |
5 to 10 mph
N
|
|
Saturday Night
Jun 6
|
Slight Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
ESE
|
|
Sunday
Jun 7
|
Chance Showers And Thunderstorms
|
85°F |
5 to 15 mph
SE
|
|
Sunday Night
Jun 7
|
Chance Showers And Thunderstorms
|
64°F |
5 to 15 mph
SE
|
|
Monday
Jun 8
|
Chance Showers And Thunderstorms
|
86°F |
5 to 15 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across O'Brien County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in O'Brien County.
Largest mapped city population in this region: 5,071.
