Lyon, MS Weather Forecast

Local 7-day forecast

78°
F

Showers And Thunderstorms Likely

Track current conditions, temperature changes, wind, and the full daily outlook for Lyon, MS in one place.

Saturday, April 18, 2026
Wind: 10 to 15 mph WSW
Saturday

A slight chance of rain showers between 7am and 1pm, then showers and thunderstorms likely. Mostly cloudy. High near 78, with temperatures falling to around 69 in the afternoon. West southwest wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Local 7-day forecast

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: Apr 16, 2026 2:11 PM CDT.

The active forecast window currently covers Apr 18 to Apr 22, 2026 for Lyon, MS.

Page Snapshot

Page focus
city weather
Forecast window
Apr 18 to Apr 22, 2026
Latest sync
Apr 16, 2026 2:11 PM CDT
Forecast office
MEG
Source
NOAA / NWS
Next High
78°F
Saturday
Next Low
48°F
Saturday Night
Rain Outlook
6
Periods mentioning precipitation
Windiest
10 to 15 mph
Saturday

Daily Outlook

Today
Apr 18
Showers And Thunderstorms Likely
78 °F
/ 48°F
Wind 10 to 15 mph
Sun
Apr 19
Slight Chance Rain Showers then Mostly Sunny
70 °F
/ 48°F
Wind 5 to 10 mph
Mon
Apr 20
Sunny
75 °F
/ 53°F
Wind 5 to 10 mph
Tue
Apr 21
Partly Sunny
77 °F
/ 57°F
Wind 5 to 10 mph
Wed
Apr 22
Slight Chance Showers And Thunderstorms
79 °F
/ 61°F
Wind 5 to 10 mph

This Week in Lyon

Wednesday looks like the warmest upcoming period in Lyon at 79 degrees F.

Saturday Night is the coolest period ahead with temperatures near 48 degrees F.

The strongest winds are forecast for Saturday at about 10 to 15 mph WSW.

Precipitation is mentioned in 6 upcoming forecast periods.

Forecast Details

Last updated
Apr 16, 2026 2:11 PM CDT
Coverage
5 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 source

Extended Forecast

Saturday Night
Apr 18
48°F
Showers And Thunderstorms Likely
10 to 15 mph N

Showers and thunderstorms likely. Mostly cloudy, with a low around 48. North wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday
Apr 19
70°F
Slight Chance Rain Showers then Mostly Sunny
5 to 10 mph NNE

A slight chance of rain showers before 7am. Mostly sunny, with a high near 70. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.

Sunday Night
Apr 19
48°F
Mostly Clear
5 mph NE

Mostly clear, with a low around 48. Northeast wind around 5 mph.

Monday
Apr 20
75°F
Sunny
5 to 10 mph ESE

Sunny, with a high near 75.

Monday Night
Apr 20
53°F
Mostly Cloudy
5 mph SE

Mostly cloudy, with a low around 53.

Tuesday
Apr 21
77°F
Partly Sunny
5 to 10 mph SSE

Partly sunny, with a high near 77.

Tuesday Night
Apr 21
57°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
5 to 10 mph S

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Chance of precipitation is 20%.

Wednesday
Apr 22
79°F
Slight Chance Showers And Thunderstorms
5 to 10 mph S

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 20%.

Wednesday Night
Apr 22
61°F
Slight Chance Showers And Thunderstorms
5 to 10 mph SSE

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. Chance of precipitation is 20%.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Apr 18
Showers And Thunderstorms Likely
78°F
10 to 15 mph
WSW
Saturday Night
Apr 18
Showers And Thunderstorms Likely
48°F
10 to 15 mph
N
Sunday
Apr 19
Slight Chance Rain Showers then Mostly Sunny
70°F
5 to 10 mph
NNE
Sunday Night
Apr 19
Mostly Clear
48°F
5 mph
NE
Monday
Apr 20
Sunny
75°F
5 to 10 mph
ESE
Monday Night
Apr 20
Mostly Cloudy
53°F
5 mph
SE
Tuesday
Apr 21
Partly Sunny
77°F
5 to 10 mph
SSE
Tuesday Night
Apr 21
Partly Cloudy then Slight Chance Showers And Thunderstorms
57°F
5 to 10 mph
S
Wednesday
Apr 22
Slight Chance Showers And Thunderstorms
79°F
5 to 10 mph
S
Wednesday Night
Apr 22
Slight Chance Showers And Thunderstorms
61°F
5 to 10 mph
SSE
Lyonmssign2
Lyonmssign2 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.