10-day forecast for Lyons, SD: 28° to 83°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Saturday, October 10
57° · 0.17 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1083° / 63°0
Morning64°feels 63°
Afternoon83°feels 81°
Evening74°feels 73°
Overnight65°feels 64°
83 °
Lyons, Saturday, 10 October
Clear. High 83°, low 63°.
Pressure29.65 inHg
Wind18 mph S
Humidity38%
Visibility6.2 mi
Dew point51°
Sun, 1183° / 62°0
Morning63°feels 63°
Afternoon81°feels 81°
Evening73°feels 72°
Overnight68°feels 67°
83 °
Lyons, Sunday, 11 October
Overcast. High 83°, low 62°.
Pressure29.68 inHg
Wind11.6 mph S
Humidity43%
Visibility6.2 mi
Dew point53°
Mon, 1270° / 53°0
Morning54°feels 53°
Afternoon65°feels 65°
Evening61°feels 61°
Overnight58°feels 58°
70 °
Lyons, Monday, 12 October
Overcast. High 70°, low 53°.
Pressure29.77 inHg
Wind11.2 mph N
Humidity73%
Visibility6.2 mi
Dew point53°
Tue, 1360° / 52°0
Morning52°feels 50°
Afternoon57°feels 56°
Evening57°feels 56°
Overnight56°feels 55°
60 °
Lyons, Tuesday, 13 October
Overcast. High 60°, low 52°.
Pressure30.03 inHg
Wind8.5 mph N
Humidity70%
Visibility6.2 mi
Dew point45°
Wed, 1460° / 46°0
Morning49°feels 46°
Afternoon57°feels 55°
Evening55°feels 53°
Overnight50°feels 48°
60 °
Lyons, Wednesday, 14 October
Partly cloudy. High 60°, low 46°.
Pressure30.24 inHg
Wind9.5 mph N
Humidity54%
Visibility—
Dew point40°
Thu, 1557° / 48°0.17
Morning52°feels 51°
Afternoon55°feels 54°
Evening50°feels 48°
Overnight49°feels 42°
57 °
Lyons, Thursday, 15 October
Light rain. High 57°, low 48°.
Pressure29.77 inHg
Wind27.1 mph NW
Humidity93%
Visibility—
Dew point53°
Fri, 1645° / 37°0
Morning43°feels 33°
Afternoon44°feels 34°
Evening38°feels 27°
Overnight38°feels 27°
45 °
Lyons, Friday, 16 October
Overcast. High 45°, low 37°.
Pressure30.15 inHg
Wind28.8 mph NW
Humidity46%
Visibility—
Dew point25°
Sat, 1744° / 28°0
Morning31°feels 22°
Afternoon39°feels 34°
Evening37°feels 33°
Overnight33°feels 26°
44 °
Lyons, Saturday, 17 October
Clear. High 44°, low 28°.
Pressure30.59 inHg
Wind21 mph NW
Humidity36%
Visibility—
Dew point13°
Sun, 1856° / 32°0
Morning38°feels 31°
Afternoon51°feels 48°
Evening47°feels 44°
Overnight42°feels 37°
56 °
Lyons, Sunday, 18 October
Overcast. High 56°, low 32°.
Pressure30.24 inHg
Wind16.9 mph S
Humidity36%
Visibility—
Dew point23°
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.