Potosi, WI Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Potosi, WI in one place.
A chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 72. Southeast wind 6 to 12 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 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: Apr 13, 2026 7:54 AM CDT.
The active forecast window currently covers Apr 15 to Apr 19, 2026 for Potosi, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 19, 2026
- Latest sync
- Apr 13, 2026 7:54 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Potosi
Friday looks like the warmest upcoming period in Potosi at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 33 degrees F.
The strongest winds are forecast for Friday at about 8 to 18 mph S.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 13, 2026 7:54 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
Showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 56. South wind around 10 mph. Chance of precipitation is 80%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 72. West wind around 12 mph. Chance of precipitation is 40%.
A chance of rain showers before 7pm. Mostly clear, with a low around 54. South wind around 8 mph. Chance of precipitation is 30%.
Showers and thunderstorms likely after 1pm. Mostly sunny, with a high near 79. South wind 8 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Showers and thunderstorms. Mostly cloudy, with a low around 46. Southwest wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Showers and thunderstorms likely. Partly sunny, with a high near 55. West wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
A slight chance of rain showers before 10pm, then a slight chance of rain and snow showers between 10pm and 1am. Mostly cloudy, with a low around 33. Northwest wind 9 to 16 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 54. Northwest wind around 12 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
72°F |
6 to 12 mph
SE
|
|
Wednesday Night
Apr 15
|
Showers And Thunderstorms
|
56°F |
10 mph
S
|
|
Thursday
Apr 16
|
Chance Showers And Thunderstorms
|
72°F |
12 mph
W
|
|
Thursday Night
Apr 16
|
Chance Rain Showers then Mostly Clear
|
54°F |
8 mph
S
|
|
Friday
Apr 17
|
Mostly Sunny then Showers And Thunderstorms Likely
|
79°F |
8 to 18 mph
S
|
|
Friday Night
Apr 17
|
Showers And Thunderstorms
|
46°F |
14 to 17 mph
SW
|
|
Saturday
Apr 18
|
Showers And Thunderstorms Likely
|
55°F |
14 to 17 mph
W
|
|
Saturday Night
Apr 18
|
Slight Chance Rain And Snow Showers
|
33°F |
9 to 16 mph
NW
|
|
Sunday
Apr 19
|
Mostly Sunny
|
54°F |
12 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Potosi.