10-day forecast for Lyons, SD: 31° to 83°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Saturday, October 10
66° · 0.34 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1083° / 63°0
Morning63°feels 62°
Afternoon82°feels 81°
Evening76°feels 76°
Overnight65°feels 65°
83 °
Lyons, Saturday, 10 October
Clear. High 83°, low 63°.
Pressure29.68 inHg
Wind18.3 mph S
Humidity41%
Visibility6.2 mi
Dew point52°
Sun, 1182° / 64°0
Morning64°feels 63°
Afternoon81°feels 80°
Evening72°feels 72°
Overnight69°feels 69°
82 °
Lyons, Sunday, 11 October
Overcast. High 82°, low 64°.
Pressure29.71 inHg
Wind12.1 mph S
Humidity43%
Visibility6.2 mi
Dew point52°
Mon, 1268° / 53°0
Morning54°feels 53°
Afternoon65°feels 64°
Evening62°feels 62°
Overnight57°feels 56°
68 °
Lyons, Monday, 12 October
Overcast. High 68°, low 53°.
Pressure29.77 inHg
Wind10.9 mph NE
Humidity70%
Visibility6.2 mi
Dew point51°
Tue, 1357° / 49°0
Morning51°feels 47°
Afternoon56°feels 54°
Evening53°feels 51°
Overnight51°feels 48°
57 °
Lyons, Tuesday, 13 October
Overcast. High 57°, low 49°.
Pressure30.09 inHg
Wind12.5 mph NW
Humidity60%
Visibility—
Dew point41°
Wed, 1460° / 43°0.19
Morning48°feels 44°
Afternoon59°feels 57°
Evening57°feels 56°
Overnight54°feels 53°
60 °
Lyons, Wednesday, 14 October
Rain. High 60°, low 43°.
Pressure30.00 inHg
Wind18.4 mph SE
Humidity58%
Visibility—
Dew point42°
Thu, 1566° / 49°0.34
Morning64°feels 64°
Afternoon58°feels 57°
Evening51°feels 49°
Overnight53°feels 47°
66 °
Lyons, Thursday, 15 October
Light rain. High 66°, low 49°.
Pressure29.56 inHg
Wind23.8 mph W
Humidity72%
Visibility—
Dew point52°
Fri, 1649° / 36°0
Morning45°feels 37°
Afternoon43°feels 35°
Evening40°feels 34°
Overnight38°feels 33°
49 °
Lyons, Friday, 16 October
Overcast. High 49°, low 36°.
Pressure30.42 inHg
Wind19.3 mph NW
Humidity61%
Visibility—
Dew point31°
Sat, 1750° / 31°0
Morning35°feels 32°
Afternoon46°feels 44°
Evening42°feels 37°
Overnight38°feels 32°
50 °
Lyons, Saturday, 17 October
Clear. High 50°, low 31°.
Pressure30.56 inHg
Wind11.7 mph S
Humidity38%
Visibility—
Dew point20°
Sun, 1856° / 39°0
Morning43°feels 37°
Afternoon53°feels 50°
Evening50°feels 47°
Overnight46°feels 41°
56 °
Lyons, Sunday, 18 October
Overcast. High 56°, low 39°.
Pressure30.33 inHg
Wind13.5 mph S
Humidity39%
Visibility—
Dew point28°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Lyons, SD around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.