Potosi, MO Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Potosi, MO in one place.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. West wind around 5 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Potosi, MO 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: Jul 17, 2026 8:25 AM CDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Potosi, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 8:25 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Potosi
Tuesday looks like the warmest upcoming period in Potosi at 96 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 6 mph W.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 8:25 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
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. Mostly clear, with a low around 73. Southwest wind around 3 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 91. West wind around 6 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. West wind around 5 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Sunny, with a high near 92. Northwest wind around 2 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. Chance of precipitation is 40%.
Sunny, with a high near 95.
Mostly clear, with a low around 75.
Sunny, with a high near 96.
Partly cloudy, with a low around 68.
Mostly sunny, with a high near 85.
Partly cloudy, with a low around 64.
Mostly sunny, with a high near 86.
Partly cloudy, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
90°F |
5 mph
W
|
|
Tonight
Jul 17
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
3 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
91°F |
6 mph
W
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms
|
72°F |
5 mph
W
|
|
Sunday
Jul 19
|
Sunny then Chance Showers And Thunderstorms
|
92°F |
2 mph
NW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms then Mostly Clear
|
71°F |
1 mph
NE
|
|
Monday
Jul 20
|
Sunny
|
95°F |
2 mph
SW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
75°F |
1 to 5 mph
SW
|
|
Tuesday
Jul 21
|
Sunny
|
96°F |
6 mph
W
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
68°F |
5 mph
N
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
85°F |
5 mph
NE
|
|
Wednesday Night
Jul 22
|
Partly Cloudy
|
64°F |
3 mph
NE
|
|
Thursday
Jul 23
|
Mostly Sunny
|
86°F |
3 mph
E
|
|
Thursday Night
Jul 23
|
Partly Cloudy
|
66°F |
3 mph
E
|
Nearby Forecasts
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Nearby forecast pages are not available for this location yet.
