Lewis County, MO Weather Forecast
County weather hub
Sunny
Compare major city weather across Lewis County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 92. Northeast wind around 3 mph.
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
- Jul 14 to Jul 19, 2026
- Latest sync
- Jul 13, 2026 5:05 PM 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 94 degrees F.
Sunday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Saturday at about 10 mph W.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 5:05 PM CDT
- Coverage
- 6 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
Mostly clear, with a low around 72. Heat index values as high as 100. East wind around 2 mph.
Sunny, with a high near 92. Northeast wind around 2 mph.
Clear, with a low around 72.
Sunny, with a high near 93.
Mostly clear, with a low around 74.
Sunny, with a high near 93.
Mostly clear, with a low around 76.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. Chance of precipitation is 20%.
Sunny, with a high near 92.
Mostly clear, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
92°F |
3 mph
NE
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
72°F |
2 mph
E
|
|
Wednesday
Jul 15
|
Sunny
|
92°F |
2 mph
NE
|
|
Wednesday Night
Jul 15
|
Clear
|
72°F |
1 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
93°F |
0 to 3 mph
S
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
74°F |
3 mph
SW
|
|
Friday
Jul 17
|
Sunny
|
93°F |
3 to 9 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
76°F |
5 to 8 mph
SW
|
|
Saturday
Jul 18
|
Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
10 mph
W
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms
|
75°F |
5 to 8 mph
W
|
|
Sunday
Jul 19
|
Sunny
|
92°F |
8 mph
W
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
70°F |
3 to 7 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.