Portage Des Sioux, MO Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Portage Des Sioux, MO in one place.
Sunny, with a high near 66. West wind 5 to 14 mph, with gusts as high as 22 mph.
Local Weather Overview
This forecast page for Portage Des Sioux, 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: Apr 17, 2026 8:40 AM CDT.
The active forecast window currently covers Apr 19 to Apr 23, 2026 for Portage Des Sioux, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 23, 2026
- Latest sync
- Apr 17, 2026 8:40 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Portage Des Sioux
Thursday looks like the warmest upcoming period in Portage Des Sioux at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Tuesday at about 8 to 16 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 17, 2026 8:40 AM CDT
- Coverage
- 5 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
Mostly clear, with a low around 42.
Sunny, with a high near 71.
Mostly clear, with a low around 52.
Mostly sunny, with a high near 79.
Partly cloudy, with a low around 56.
Sunny, with a high near 82.
Mostly clear, with a low around 59.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Sunny
|
66°F |
5 to 14 mph
W
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
42°F |
3 to 9 mph
NE
|
|
Monday
Apr 20
|
Sunny
|
71°F |
5 to 10 mph
SE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
52°F |
9 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
79°F |
8 to 16 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
56°F |
6 to 12 mph
SW
|
|
Wednesday
Apr 22
|
Sunny
|
82°F |
6 to 10 mph
SW
|
|
Wednesday Night
Apr 22
|
Mostly Clear
|
59°F |
6 to 9 mph
S
|
|
Thursday
Apr 23
|
Chance Showers And Thunderstorms
|
84°F |
6 to 15 mph
S
|
|
Thursday Night
Apr 23
|
Chance Showers And Thunderstorms
|
61°F |
9 to 13 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Portage Des Sioux.