Merwin, MO Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Merwin, MO in one place.
A slight chance of showers and thunderstorms between 9am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. South wind 13 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Merwin, 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 22, 2026 2:18 PM CDT.
The active forecast window currently covers Apr 23 to Apr 28, 2026 for Merwin, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 28, 2026
- Latest sync
- Apr 22, 2026 2:18 PM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Merwin
Thursday looks like the warmest upcoming period in Merwin at 77 degrees F.
Monday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Thursday at about 13 to 20 mph S.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 22, 2026 2:18 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KEAX
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. Mostly cloudy, with a low around 56. South southwest wind 7 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms. Mostly sunny, with a high near 75. Northwest wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A slight chance of rain showers before 1am. Mostly clear, with a low around 49. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 73.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 80%.
Showers and thunderstorms likely. Mostly sunny, with a high near 72. Chance of precipitation is 70%.
A chance of rain showers before 1am. Partly cloudy, with a low around 46. Chance of precipitation is 30%.
Sunny, with a high near 71.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
77°F |
13 to 20 mph
S
|
|
Thursday Night
Apr 23
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
56°F |
7 to 18 mph
SSW
|
|
Friday
Apr 24
|
Showers And Thunderstorms
|
75°F |
6 to 9 mph
NW
|
|
Friday Night
Apr 24
|
Slight Chance Rain Showers
|
49°F |
7 mph
NNE
|
|
Saturday
Apr 25
|
Mostly Sunny then Slight Chance Rain Showers
|
73°F |
6 to 10 mph
ENE
|
|
Saturday Night
Apr 25
|
Chance Showers And Thunderstorms
|
55°F |
8 mph
E
|
|
Sunday
Apr 26
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
76°F |
9 to 15 mph
SE
|
|
Sunday Night
Apr 26
|
Showers And Thunderstorms
|
58°F |
14 mph
SSE
|
|
Monday
Apr 27
|
Showers And Thunderstorms Likely
|
72°F |
15 mph
WSW
|
|
Monday Night
Apr 27
|
Chance Rain Showers
|
46°F |
5 to 12 mph
NW
|
|
Tuesday
Apr 28
|
Sunny
|
71°F |
7 mph
N
|
|
Tuesday Night
Apr 28
|
Partly Cloudy then Slight Chance Rain Showers
|
49°F |
5 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merwin.