Potosi, WI Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Potosi, WI in one place.
A chance of rain showers after 7am. Mostly cloudy, with a high near 79. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Potosi, WI 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: Aug 27, 2026 3:23 AM CDT.
The active forecast window currently covers Aug 29 to Sep 2, 2026 for Potosi, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 2, 2026
- Latest sync
- Aug 27, 2026 3:23 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Potosi
Sunday looks like the warmest upcoming period in Potosi at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Saturday Night at about 16 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 27, 2026 3:23 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. South wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 12 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Southwest wind 7 to 10 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Southwest wind around 7 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 85. Southwest wind around 5 mph. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 68. East wind around 3 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 85. South wind around 5 mph. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Chance Rain Showers
|
79°F |
7 to 13 mph
S
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
67°F |
16 mph
S
|
|
Sunday
Aug 30
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
87°F |
14 mph
S
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms
|
71°F |
12 mph
S
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms
|
87°F |
7 to 10 mph
SW
|
|
Monday Night
Aug 31
|
Partly Cloudy then Chance Showers And Thunderstorms
|
70°F |
7 mph
SW
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
85°F |
5 mph
SW
|
|
Tuesday Night
Sep 1
|
Slight Chance Showers And Thunderstorms
|
68°F |
3 mph
E
|
|
Wednesday
Sep 2
|
Chance Showers And Thunderstorms
|
85°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Potosi.