10-day forecast for Lyons, SD: 34° to 83°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Sunday, October 11
53° · 0.52 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1279° / 54°0
Morning57°feels 56°
Afternoon78°feels 77°
Evening60°feels 59°
Overnight60°feels 60°
79 °
Lyons, Monday, 12 October
Clear. High 79°, low 54°.
Pressure29.62 inHg
Wind6.1 mph SE
Humidity56%
Visibility6.2 mi
Dew point59°
Tue, 1359° / 51°0
Morning52°feels 50°
Afternoon58°feels 57°
Evening56°feels 54°
Overnight56°feels 55°
59 °
Lyons, Tuesday, 13 October
Overcast. High 59°, low 51°.
Pressure30.00 inHg
Wind9.1 mph N
Humidity65%
Visibility6.2 mi
Dew point44°
Wed, 1460° / 45°0
Morning45°feels 45°
Afternoon59°feels 56°
Evening54°feels 52°
Overnight50°feels 46°
60 °
Lyons, Wednesday, 14 October
Mostly clear. High 60°, low 45°.
Pressure30.24 inHg
Wind7.2 mph NE
Humidity55%
Visibility6.2 mi
Dew point39°
Thu, 1553° / 49°0.52
Morning49°feels 46°
Afternoon51°feels 50°
Evening53°feels 51°
Overnight50°feels 49°
53 °
Lyons, Thursday, 15 October
Rain. High 53°, low 49°.
Pressure30.21 inHg
Wind17.3 mph NW
Humidity90%
Visibility—
Dew point47°
Fri, 1656° / 43°0
Morning46°feels 41°
Afternoon52°feels 50°
Evening48°feels 48°
Overnight43°feels 42°
56 °
Lyons, Friday, 16 October
Clear. High 56°, low 43°.
Pressure30.65 inHg
Wind14.7 mph N
Humidity54%
Visibility—
Dew point35°
Sat, 1754° / 34°0
Morning38°feels 31°
Afternoon49°feels 43°
Evening48°feels 42°
Overnight43°feels 36°
54 °
Lyons, Saturday, 17 October
Overcast. High 54°, low 34°.
Pressure30.47 inHg
Wind18.9 mph S
Humidity31%
Visibility—
Dew point18°
Sun, 1867° / 43°0
Morning48°feels 42°
Afternoon60°feels 57°
Evening58°feels 56°
Overnight53°feels 50°
67 °
Lyons, Sunday, 18 October
Overcast. High 67°, low 43°.
Pressure29.97 inHg
Wind20.1 mph S
Humidity31%
Visibility—
Dew point27°
Mon, 1969° / 48°0
Morning53°feels 51°
Afternoon65°feels 63°
Evening57°feels 55°
Overnight53°feels 51°
69 °
Lyons, Monday, 19 October
Mostly clear. High 69°, low 48°.
Pressure30.15 inHg
Wind12.6 mph SE
Humidity33%
Visibility—
Dew point34°
Tue, 2068° / 48°0
Morning53°feels 48°
Afternoon64°feels 62°
Evening64°feels 62°
Overnight60°feels 58°
68 °
Lyons, Tuesday, 20 October
Clear. High 68°, low 48°.
Pressure29.94 inHg
Wind19.3 mph S
Humidity42%
Visibility—
Dew point38°
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.