Lyon, MS Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lyon, MS in one place.
Sunny, with a high near 101. Heat index values as high as 110. South southeast wind around 5 mph.
Local Weather Overview
This forecast page for Lyon, MS 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: Sep 15, 2026 2:56 PM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Lyon, MS.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 2:56 PM CDT
- Forecast office
- MEG
- Source
- NOAA / NWS
Daily Outlook
This Week in Lyon
This Afternoon looks like the warmest upcoming period in Lyon at 101 degrees F.
Monday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Monday at about 5 to 10 mph NNW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 2:56 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- MEG
- Radar station
- KNQA
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 75. Heat index values as high as 105. Southeast wind 0 to 5 mph.
Sunny. High near 101, with temperatures falling to around 98 in the afternoon. Heat index values as high as 109. South southeast wind around 5 mph.
Mostly clear, with a low around 72. Heat index values as high as 104. Southeast wind 0 to 5 mph.
Sunny, with a high near 100. Southeast wind 0 to 5 mph.
Mostly clear, with a low around 71. East southeast wind around 0 mph.
Sunny, with a high near 101. East northeast wind 0 to 5 mph.
Mostly clear, with a low around 72. Southeast wind around 0 mph.
Sunny, with a high near 101.
Mostly clear, with a low around 73.
Sunny, with a high near 99.
Partly cloudy, with a low around 71.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Sep 15
|
Sunny
|
101°F |
5 mph
SSE
|
|
Tonight
Sep 15
|
Clear
|
75°F |
0 to 5 mph
SE
|
|
Wednesday
Sep 16
|
Sunny
|
101°F |
5 mph
SSE
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
72°F |
0 to 5 mph
SE
|
|
Thursday
Sep 17
|
Sunny
|
100°F |
0 to 5 mph
SE
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
71°F |
0 mph
|
|
Friday
Sep 18
|
Sunny
|
101°F |
0 to 5 mph
ENE
|
|
Friday Night
Sep 18
|
Mostly Clear
|
72°F |
0 mph
|
|
Saturday
Sep 19
|
Sunny
|
101°F |
0 to 5 mph
SSW
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
73°F |
0 mph
|
|
Sunday
Sep 20
|
Sunny
|
99°F |
0 to 5 mph
SSW
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
71°F |
0 to 5 mph
SSE
|
|
Monday
Sep 21
|
Mostly Sunny then Chance Showers And Thunderstorms
|
93°F |
5 to 10 mph
NNW
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
67°F |
5 to 10 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lyon.