Marthasville, MO Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Marthasville, MO in one place.
A chance of showers and thunderstorms before 3pm, then showers and thunderstorms likely. Cloudy. High near 81, with temperatures falling to around 77 in the afternoon. Southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Local Weather Overview
This forecast page for Marthasville, 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 15, 2026 3:57 PM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Marthasville, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 3:57 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Marthasville
Friday looks like the warmest upcoming period in Marthasville at 86 degrees F.
Saturday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for This Afternoon at about 14 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 3:57 PM 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 chance of showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 9pm, then a chance of showers and thunderstorms between 9pm and 10pm, then showers and thunderstorms between 10pm and 3am, then a slight chance of showers and thunderstorms between 3am and 4am. Cloudy, with a low around 59. South wind 3 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Mostly sunny, with a high near 83. Southwest wind around 6 mph.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 58. South wind around 2 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 2 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy. Low around 47, with temperatures rising to around 57 overnight. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly sunny, with a high near 61. Chance of precipitation is 80%.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 37. Chance of precipitation is 20%.
Sunny, with a high near 66.
Clear, with a low around 40.
Sunny, with a high near 74.
Mostly clear, with a low around 49.
Sunny, with a high near 77.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Apr 15
|
Chance Showers And Thunderstorms
|
81°F |
14 mph
SW
|
|
Tonight
Apr 15
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
59°F |
3 to 12 mph
S
|
|
Thursday
Apr 16
|
Mostly Sunny
|
83°F |
6 mph
SW
|
|
Thursday Night
Apr 16
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
58°F |
2 mph
S
|
|
Friday
Apr 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
86°F |
2 to 14 mph
S
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
47°F |
8 to 12 mph
SW
|
|
Saturday
Apr 18
|
Showers And Thunderstorms
|
61°F |
9 to 14 mph
NW
|
|
Saturday Night
Apr 18
|
Slight Chance Rain Showers then Mostly Clear
|
37°F |
3 to 12 mph
NW
|
|
Sunday
Apr 19
|
Sunny
|
66°F |
3 to 9 mph
W
|
|
Sunday Night
Apr 19
|
Clear
|
40°F |
5 mph
W
|
|
Monday
Apr 20
|
Sunny
|
74°F |
2 to 8 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
49°F |
6 mph
S
|
|
Tuesday
Apr 21
|
Sunny
|
77°F |
5 to 12 mph
SW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy then Slight Chance Rain Showers
|
53°F |
3 to 8 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Marthasville.