Lewis County, MO Weather Forecast
County weather hub
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.
Rain showers likely before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 80%.
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
- Oct 15 to Oct 18, 2026
- Latest sync
- Oct 11, 2026 11:08 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewis County
Thursday looks like the warmest upcoming period in Lewis County at 70 degrees F.
Friday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Friday at about 13 to 17 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 11, 2026 11:08 PM CDT
- Coverage
- 4 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
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Partly sunny, with a high near 61.
Partly cloudy, with a low around 39.
Sunny, with a high near 58.
Mostly clear, with a low around 40.
Sunny, with a high near 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
70°F |
8 mph
E
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
52°F |
7 to 12 mph
N
|
|
Friday
Oct 16
|
Partly Sunny
|
61°F |
13 to 17 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
39°F |
5 to 13 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
58°F |
5 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
40°F |
3 mph
SE
|
|
Sunday
Oct 18
|
Sunny
|
66°F |
5 to 9 mph
S
|
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.
