Lyons, SD Weather Forecast
Local 7-day forecast
Partly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Lyons, SD in one place.
A slight chance of rain showers between 3pm and 4pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 88. South southeast wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Lyons, SD 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: Jul 10, 2026 8:57 AM CDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for Lyons, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 8:57 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Lyons
Tuesday looks like the warmest upcoming period in Lyons at 96 degrees F.
Tonight is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Thursday at about 10 to 20 mph S.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 8:57 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
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 before 9pm. Partly cloudy, with a low around 67. South southeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 90. South wind 5 to 10 mph.
Mostly clear, with a low around 69. South southeast wind 5 to 10 mph.
Sunny, with a high near 93. South wind 5 to 15 mph.
Clear, with a low around 71. South wind around 10 mph.
Sunny, with a high near 94.
Mostly clear, with a low around 70.
Sunny, with a high near 96.
Mostly clear, with a low around 70.
Sunny, with a high near 95.
Mostly clear, with a low around 72.
Sunny, with a high near 95.
Mostly clear, with a low around 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 10
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
0 to 10 mph
SSE
|
|
Tonight
Jul 10
|
Chance Showers And Thunderstorms then Partly Cloudy
|
67°F |
5 to 10 mph
SSE
|
|
Saturday
Jul 11
|
Mostly Sunny
|
90°F |
5 to 10 mph
S
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
69°F |
5 to 10 mph
SSE
|
|
Sunday
Jul 12
|
Sunny
|
93°F |
5 to 15 mph
S
|
|
Sunday Night
Jul 12
|
Clear
|
71°F |
10 mph
S
|
|
Monday
Jul 13
|
Sunny
|
94°F |
10 to 15 mph
S
|
|
Monday Night
Jul 13
|
Mostly Clear
|
70°F |
10 to 15 mph
S
|
|
Tuesday
Jul 14
|
Sunny
|
96°F |
10 to 15 mph
S
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
10 to 15 mph
SSE
|
|
Wednesday
Jul 15
|
Sunny
|
95°F |
10 to 15 mph
S
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
72°F |
10 to 15 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
95°F |
10 to 20 mph
S
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
72°F |
10 to 20 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lyons.