Potosi, MO Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Potosi, MO in one place.
Sunny, with a high near 61. Northeast wind around 3 mph.
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: Oct 17, 2026 10:18 AM CDT.
The active forecast window currently covers Oct 17 to Oct 23, 2026 for Potosi, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 17 to Oct 23, 2026
- Latest sync
- Oct 17, 2026 10:18 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Potosi
Friday looks like the warmest upcoming period in Potosi at 84 degrees F.
Tonight is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 0 to 5 mph E.
The forecast from Oct 17 through Oct 23 stays mostly dry.
Forecast Details
- Last updated
- Oct 17, 2026 10:18 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
Areas of frost after 5am. Clear, with a low around 35. East wind around 1 mph.
Areas of frost before 8am. Sunny, with a high near 67. Southeast wind around 3 mph.
Clear, with a low around 38. South wind around 2 mph.
Sunny, with a high near 72. Southeast wind around 2 mph.
Mostly clear, with a low around 41.
Sunny, with a high near 75.
Mostly clear, with a low around 44.
Sunny, with a high near 79.
Clear, with a low around 47.
Sunny, with a high near 83.
Mostly clear, with a low around 50.
Sunny, with a high near 84.
Mostly clear, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 17
|
Sunny
|
61°F |
3 mph
NE
|
|
Tonight
Oct 17
|
Clear then Areas Of Frost
|
35°F |
1 mph
E
|
|
Sunday
Oct 18
|
Areas Of Frost then Sunny
|
67°F |
3 mph
SE
|
|
Sunday Night
Oct 18
|
Clear
|
38°F |
2 mph
S
|
|
Monday
Oct 19
|
Sunny
|
72°F |
2 mph
SE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
41°F |
2 mph
SE
|
|
Tuesday
Oct 20
|
Sunny
|
75°F |
2 mph
E
|
|
Tuesday Night
Oct 20
|
Mostly Clear
|
44°F |
2 mph
NE
|
|
Wednesday
Oct 21
|
Sunny
|
79°F |
1 mph
E
|
|
Wednesday Night
Oct 21
|
Clear
|
47°F |
2 mph
SE
|
|
Thursday
Oct 22
|
Sunny
|
83°F |
2 mph
SE
|
|
Thursday Night
Oct 22
|
Mostly Clear
|
50°F |
2 mph
E
|
|
Friday
Oct 23
|
Sunny
|
84°F |
0 to 5 mph
E
|
|
Friday Night
Oct 23
|
Mostly Clear
|
52°F |
3 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Potosi.
Nearby forecast pages are not available for this location yet.
