Lewis County, MO Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Lewis County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Chance of precipitation is 30%.
County Weather Overview
This county weather page brings together forecast coverage for Lewis County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Lewis County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 30 to May 31, 2026
- Latest sync
- May 25, 2026 11:53 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewis County
Saturday looks like the warmest upcoming period in Lewis County at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Saturday at about 5 to 9 mph E.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- May 25, 2026 11:53 AM CDT
- Coverage
- 2 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. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 78. Chance of precipitation is 20%.
Partly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Chance Showers And Thunderstorms
|
78°F |
5 to 9 mph
E
|
|
Saturday Night
May 30
|
Chance Showers And Thunderstorms
|
59°F |
7 mph
E
|
|
Sunday
May 31
|
Slight Chance Rain Showers then Partly Sunny
|
78°F |
6 to 9 mph
E
|
|
Sunday Night
May 31
|
Partly Cloudy
|
57°F |
3 to 7 mph
NE
|
Major City Forecasts
Live forecast snapshots for major cities across Lewis County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Lewis County.
Largest mapped city population in this region: 2,314.
