Merwin, MO Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Merwin, MO in one place.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East southeast wind around 7 mph. Chance of precipitation is 50%. 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: Jul 24, 2026 3:37 AM CDT.
The active forecast window currently covers Jul 24 to Jul 30, 2026 for Merwin, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 30, 2026
- Latest sync
- Jul 24, 2026 3:37 AM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Merwin
Monday looks like the warmest upcoming period in Merwin at 98 degrees F.
Overnight is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Monday at about 6 to 10 mph SSW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 24, 2026 3:37 AM CDT
- Coverage
- 7 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 noon, then showers and thunderstorms likely between noon and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South southeast wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a slight chance of showers and thunderstorms between 8pm and 10pm, then a chance of showers and thunderstorms between 10pm and 4am, then a slight chance of showers and thunderstorms between 4am and 5am. Mostly cloudy, with a low around 72. South southeast wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly sunny, with a high near 94. Heat index values as high as 109. South southwest wind 3 to 8 mph. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 75. South southeast wind around 5 mph.
Sunny, with a high near 97.
Mostly clear, with a low around 77.
Sunny, with a high near 98.
Mostly clear, with a low around 77.
Sunny, with a high near 96.
Partly cloudy, with a low around 75.
Mostly sunny, with a high near 94.
Partly cloudy, with a low around 74.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 24
|
Chance Showers And Thunderstorms
|
69°F |
7 mph
ESE
|
|
Friday
Jul 24
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
81°F |
8 mph
SSE
|
|
Friday Night
Jul 24
|
Chance Showers And Thunderstorms
|
72°F |
7 mph
SSE
|
|
Saturday
Jul 25
|
Mostly Sunny
|
94°F |
3 to 8 mph
SSW
|
|
Saturday Night
Jul 25
|
Mostly Clear
|
75°F |
5 mph
SSE
|
|
Sunday
Jul 26
|
Sunny
|
97°F |
2 to 6 mph
S
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
77°F |
3 to 7 mph
S
|
|
Monday
Jul 27
|
Sunny
|
98°F |
6 to 10 mph
SSW
|
|
Monday Night
Jul 27
|
Mostly Clear
|
77°F |
6 mph
SSW
|
|
Tuesday
Jul 28
|
Sunny
|
96°F |
6 mph
SSW
|
|
Tuesday Night
Jul 28
|
Partly Cloudy
|
75°F |
5 mph
E
|
|
Wednesday
Jul 29
|
Mostly Sunny
|
94°F |
3 to 7 mph
ESE
|
|
Wednesday Night
Jul 29
|
Partly Cloudy
|
74°F |
5 mph
ESE
|
|
Thursday
Jul 30
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
3 to 8 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merwin.