Lyons (Minnehaha County) — Weather
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32°C89°F· Partly cloudy · 66% cloud cover
Feels like 37°C99°F · Low 23°C74°F · High 32°C89°F
Wind
17 km/h5 m/s11 mph from N
Humidity
64%
Pressure
1007 hPa29.74 inHgstable
UV Index
4.3Moderate
Unsettled — heat
It's 32°C90°F and partly cloudy in Lyons at the moment.
🌧️ Wet period, moderate-intensity Thursday–Friday, with rain. Total ~12.1 mm. Peak Thursday (6.1 mm). Below the monthly normal (74 mm/month).
🔥 Today's high of 32°C90°F sits 9.3°C37°F markedly warmer than the July mean (22°C72°F).
❄️ Cold front around 23:00; temperatures drop ~8°C46°F.
Hourly forecast
Detailed forecast for the next 60 hours
TemperaturePrecipitationWind
CAPE (J/kg)Instability Threshold
mminkm/hm/smphHumidity %
Daily Forecast
TodayNW 19 km/h5 m/s12 mph(gusts 33921)59%UV 46hToday59%NW 19 km/h5 m/s12 mph (gusts 33921)UV 46h
Today
NW 19 km/h5 m/s12 mph(gusts 33921)59%UV 46h
Today
59%
NW 19 km/h5 m/s12 mph (gusts 33921)
UV 4
6h
Today — Hourly Forecast
06:0415h21:03
TomorrowN 25 km/h7 m/s16 mph(gusts 431227)68%UV 310hTomorrow68%N 25 km/h7 m/s16 mph (gusts 431227)UV 310h
Tomorrow
N 25 km/h7 m/s16 mph(gusts 431227)68%UV 310h
Tomorrow
68%
N 25 km/h7 m/s16 mph (gusts 431227)
UV 3
10h
Tomorrow — Hourly Forecast
06:0515h21:02
WednesdayNE 7 km/h2 m/s5 mph(gusts 1348)69%UV 37hWednesday69%NE 7 km/h2 m/s5 mph (gusts 1348)UV 37h
Wednesday
NE 7 km/h2 m/s5 mph(gusts 1348)69%UV 37h
Wednesday
69%
NE 7 km/h2 m/s5 mph (gusts 1348)
UV 3
7h
Wednesday — Forecast Overview
06:0614.9h21:01
Thursday6.1 mm0.24 in· heavyS 23 km/h6 m/s15 mph(gusts 371023)74%UV 24hThursday74%S 23 km/h6 m/s15 mph (gusts 371023)6.1 mm0.24 inUV 24h
Thursday
6.1 mm0.24 in· heavyS 23 km/h6 m/s15 mph(gusts 371023)74%UV 24h
Thursday
74%
S 23 km/h6 m/s15 mph (gusts 371023)
6.1 mm0.24 in
UV 2
4h
Thursday — Forecast Overview
06:0714.9h21:00
Friday6.0 mm0.23 in· heavyS 22 km/h6 m/s14 mph(gusts 401125)85%UV 211hFriday85%S 22 km/h6 m/s14 mph (gusts 401125)6.0 mm0.23 inUV 211h
Friday
6.0 mm0.23 in· heavyS 22 km/h6 m/s14 mph(gusts 401125)85%UV 211h
Friday
85%
S 22 km/h6 m/s14 mph (gusts 401125)
6.0 mm0.23 in
UV 2
11h
Friday — Forecast Overview
06:0814.9h20:59
SaturdayS 21 km/h6 m/s13 mph(gusts 391124)81%UV 311hSaturday81%S 21 km/h6 m/s13 mph (gusts 391124)UV 311h
Saturday
S 21 km/h6 m/s13 mph(gusts 391124)81%UV 311h
Saturday
81%
S 21 km/h6 m/s13 mph (gusts 391124)
UV 3
11h
Night
17°C62°F
Morning
17°C62°F
Afternoon
33°C91°F
Evening
30°C86°F
06:0914.8h20:58
SundaySW 16 km/h5 m/s10 mph(gusts 30818)67%UV 310hSunday67%SW 16 km/h5 m/s10 mph (gusts 30818)UV 310h
Sunday
SW 16 km/h5 m/s10 mph(gusts 30818)67%UV 310h
Sunday
67%
SW 16 km/h5 m/s10 mph (gusts 30818)
UV 3
10h
Night
27°C81°F
Morning
29°C84°F
Afternoon
29°C84°F
Evening
37°C99°F
06:1014.8h20:57
Monday6.1 mm0.24 in· heavySE 23 km/h6 m/s14 mph(gusts 401125)68%UV 34hMonday68%SE 23 km/h6 m/s14 mph (gusts 401125)6.1 mm0.24 inUV 34h
Monday
6.1 mm0.24 in· heavySE 23 km/h6 m/s14 mph(gusts 401125)68%UV 34h
Monday
68%
SE 23 km/h6 m/s14 mph (gusts 401125)
6.1 mm0.24 in
UV 3
4h
Night
28°C82°F
Morning
29°C84°F
Afternoon
29°C84°F
Evening
34°C92°F
06:1114.8h20:56
TuesdayNE 18 km/h5 m/s11 mph(gusts 401125)61%15hTuesday61%NE 18 km/h5 m/s11 mph (gusts 401125)15h
Tuesday
NE 18 km/h5 m/s11 mph(gusts 401125)61%15h
Tuesday
61%
NE 18 km/h5 m/s11 mph (gusts 401125)
15h
Night
18°C65°F
Morning
25°C77°F
Afternoon
25°C77°F
Evening
31°C89°F
06:1214.7h20:55
Wednesday6.2 mm0.24 in· heavySE 34 km/h10 m/s21 mph(gusts 591637)89%14hWednesday89%SE 34 km/h10 m/s21 mph (gusts 591637)6.2 mm0.24 in14h
Wednesday
6.2 mm0.24 in· heavySE 34 km/h10 m/s21 mph(gusts 591637)89%14h
Wednesday
89%
SE 34 km/h10 m/s21 mph (gusts 591637)
6.2 mm0.24 in
14h
Night
21°C69°F
Morning
23°C73°F
Afternoon
23°C73°F
Evening
23°C73°F
06:1314.7h20:54
ThursdayNE 24 km/h7 m/s15 mph(gusts 481330)72%15hThursday72%NE 24 km/h7 m/s15 mph (gusts 481330)15h
Thursday
NE 24 km/h7 m/s15 mph(gusts 481330)72%15h
Thursday
72%
NE 24 km/h7 m/s15 mph (gusts 481330)
15h
Night
20°C68°F
Morning
25°C77°F
Afternoon
25°C77°F
Evening
31°C87°F
06:1414.6h20:53
Friday1.2 mm0.05 inSE 36 km/h10 m/s22 mph72%14hFriday72%SE 36 km/h10 m/s22 mph1.2 mm0.05 in14h
Friday
1.2 mm0.05 inSE 36 km/h10 m/s22 mph72%14h
Friday
72%
SE 36 km/h10 m/s22 mph
1.2 mm0.05 in
14h
Night
18°C65°F
Morning
23°C74°F
Afternoon
23°C74°F
Evening
30°C85°F
06:1514.6h20:52
SaturdayN 23 km/h6 m/s14 mph(gusts 401125)61%14hSaturday61%N 23 km/h6 m/s14 mph (gusts 401125)14h
Saturday
N 23 km/h6 m/s14 mph(gusts 401125)61%14h
Saturday
61%
N 23 km/h6 m/s14 mph (gusts 401125)
14h
Night
23°C73°F
Morning
29°C83°F
Afternoon
29°C83°F
Evening
30°C87°F
06:1614.6h20:51
SundayNW 32 km/h9 m/s20 mph(gusts 511432)47%15hSunday47%NW 32 km/h9 m/s20 mph (gusts 511432)15h
Sunday
NW 32 km/h9 m/s20 mph(gusts 511432)47%15h
Sunday
47%
NW 32 km/h9 m/s20 mph (gusts 511432)
15h
Night
20°C67°F
Morning
21°C71°F
Afternoon
21°C71°F
Evening
24°C76°F
06:1714.5h20:49
MondayN 26 km/h7 m/s16 mph(gusts 501431)41%10hMonday41%N 26 km/h7 m/s16 mph (gusts 501431)10h
Monday
N 26 km/h7 m/s16 mph(gusts 501431)41%10h
Monday
41%
N 26 km/h7 m/s16 mph (gusts 501431)
10h
Night
18°C64°F
Morning
19°C66°F
Afternoon
19°C66°F
Evening
31°C88°F
06:1814.5h20:48
TuesdaySE 31 km/h9 m/s20 mph39%15hTuesday39%SE 31 km/h9 m/s20 mph15h
Tuesday
SE 31 km/h9 m/s20 mph39%15h
Tuesday
39%
SE 31 km/h9 m/s20 mph
15h
Night
18°C64°F
Morning
26°C80°F
Afternoon
26°C80°F
Evening
34°C94°F
06:1914.5h20:47
Sunrise
06:04
Civil Dawn 05:34
Sunset
21:03
Civil Dusk 21:33
Today vs. seasonal normal
+2.8°C+5.1°F
Lyons is located in South Dakota, United States. Elevation: 470m. Annual average temperature: 7.1°C. Annual precipitation: 608mm.
Frequently Asked Questions
What is the weather like in Lyons today?
Today in Lyons, United States, the temperature is 32°C with Partly cloudy. The high is 32°C and the low is 23°C.
What is the 16-day forecast for Lyons?
The 16-day forecast for Lyons shows the warmest day is Sunday at 39°C, while the coolest night is Thursday at 13°C. 7 day(s) have precipitation expected.
What time is sunrise and sunset in Lyons?
In Lyons, sunrise is at 06:04 and sunset is at 21:03. Day length is approximately 14h 58m.
How accurate is the weather forecast for Lyons?
Our forecasts for Lyons use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Lyons has an annual average temperature of 7.1°C and receives 608mm of precipitation per year.
Last updated: 07/20/2026, 03:00 PM
July climate in Lyons
Normals for July: average 22°C (16–29°C), around 74 mm of rain across the month. About 15°C warmer than the annual average of 7.1°C.
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