Saint Croix County, WI Weather Forecast
County weather hub
Mostly Sunny then Slight Chance Showers And Thunderstorms
Compare major city weather across Saint Croix County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. South southwest wind 10 to 15 mph. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for Saint Croix 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 Saint Croix County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 17 to Jul 19, 2026
- Latest sync
- Jul 13, 2026 6:00 AM CDT
- Forecast office
- MPX
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Croix County
Friday looks like the warmest upcoming period in Saint Croix County at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Friday at about 10 to 15 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 6:00 AM CDT
- Coverage
- 3 days
- Time zone
- America/Chicago
- Forecast office
- MPX
- Radar station
- KMPX
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. Partly cloudy, with a low around 68. South southwest wind 10 to 15 mph. Chance of precipitation is 20%.
Sunny, with a high near 88. Southwest wind around 10 mph.
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 85. West wind 5 to 15 mph. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
10 to 15 mph
SSW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
68°F |
10 to 15 mph
SSW
|
|
Saturday
Jul 18
|
Sunny
|
88°F |
10 mph
SW
|
|
Saturday Night
Jul 18
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
65°F |
5 to 10 mph
S
|
|
Sunday
Jul 19
|
Slight Chance Showers And Thunderstorms then Sunny
|
85°F |
5 to 15 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Saint Croix County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Saint Croix County.
Largest mapped city population in this region: 9,730.