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
Now
32°C89°F
1711
64
16:00
31°C89°F
1912
53
17:00
31°C87°F
1711
43
18:00
30°C86°F
159
50
19:00
29°C84°F
149
51
20:00
27°C81°F
127
60
21:00
26°C78°F
106
66
22:00
24°C76°F
106
67
23:00
23°C74°F
128
67
00:00
23°C73°F
1610
68
01:00
22°C71°F
149
72
02:00
21°C70°F
127
75
03:00
20°C69°F
149
78
04:00
20°C67°F
138
82
05:00
19°C66°F
128
85
06:00
18°C64°F
149
88
07:00
18°C64°F
149
90
08:00
19°C66°F
1710
87
09:00
20°C68°F
2516
79
10:00
20°C68°F
2415
68
11:00
21°C70°F
2415
66
12:00
22°C72°F
2415
61
13:00
23°C74°F
2415
57
14:00
24°C75°F
2415
53
15:00
24°C76°F
2314
53
16:00
24°C76°F
2315
51
17:00
24°C76°F
2314
49
18:00
24°C76°F
2113
49
19:00
24°C75°F
1811
50
20:00
22°C72°F
127
56
21:00
20°C69°F
74
65
22:00
19°C65°F
64
73
23:00
18°C64°F
64
77
00:00
17°C62°F
64
79
03:00
15°C58°F
53
83
06:00
13°C56°F
42
88
09:00
17°C63°F
64
77
12:00
21°C71°F
64
58
15:00
24°C75°F
21
48
18:00
24°C76°F
75
47
21:00
20°C68°F
42
69
00:00
17°C62°F
42
78
03:00
14°C58°F
21
89
mminkm/hm/smphHumidity %
Daily Forecast
TodayNW 19 km/h5 m/s12 mph(gusts 33921)59%UV 46hTodayPartly cloudy59%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
Partly cloudy
59%
NW 19 km/h5 m/s12 mph (gusts 33921)
UV 4
6h
Today — Hourly Forecast
Now
32°C89°F
17511
16:00
31°C89°F
19512
17:00
31°C87°F
17511
18:00
30°C86°F
1549
19:00
29°C84°F
1449
20:00
27°C81°F
1237
21:00
26°C78°F
1036
22:00
24°C76°F
1036
23:00
23°C74°F
1238
06:0415h21:03
TomorrowN 25 km/h7 m/s16 mph(gusts 431227)68%UV 310hTomorrowPartly cloudy68%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
Partly cloudy
68%
N 25 km/h7 m/s16 mph (gusts 431227)
UV 3
10h
Tomorrow — Hourly Forecast
00:00
23°C73°F
16410
01:00
22°C71°F
1449
02:00
21°C70°F
1237
03:00
20°C69°F
1449
04:00
20°C67°F
1348
05:00
19°C66°F
1238
06:00
18°C64°F
1449
07:00
18°C64°F
1449
08:00
19°C66°F
17510
09:00
20°C68°F
25716
10:00
20°C68°F
24715
11:00
21°C70°F
24715
12:00
22°C72°F
24715
13:00
23°C74°F
24715
14:00
24°C75°F
24715
15:00
24°C76°F
23614
16:00
24°C76°F
23715
17:00
24°C76°F
23614
18:00
24°C76°F
21613
19:00
24°C75°F
18511
20:00
22°C72°F
1237
21:00
20°C69°F
724
22:00
19°C65°F
624
23:00
18°C64°F
624
06:0515h21:02
WednesdayNE 7 km/h2 m/s5 mph(gusts 1348)69%UV 37hWednesdayOvercast69%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
Overcast
69%
NE 7 km/h2 m/s5 mph (gusts 1348)
UV 3
7h
Wednesday — Forecast Overview
00:00
17°C62°F
624
03:00
15°C58°F
523
06:00
13°C56°F
412
09:00
17°C63°F
624
12:00
21°C71°F
624
15:00
24°C75°F
211
18:00
24°C76°F
725
21:00
20°C68°F
412
06:0614.9h21:01
Thursday6.1 mm0.24 in· heavyS 23 km/h6 m/s15 mph(gusts 371023)74%UV 24hThursdayLight rain74%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
Light rain
74%
S 23 km/h6 m/s15 mph (gusts 371023)
6.1 mm0.24 in
UV 2
4h
Thursday — Forecast Overview
00:00
17°C62°F
412
03:00
14°C58°F
211
06:00
13°C56°F
412
09:00
19°C65°F
1137
12:00
23°C73°F
18511
15:00
22°C71°F
20613
18:00
23°C73°F
21613
21:00
15°C59°F
1449
06:0714.9h21:00
Friday6.0 mm0.23 in· heavyS 22 km/h6 m/s14 mph(gusts 401125)85%UV 211hFridayRain85%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
Rain
85%
S 22 km/h6 m/s14 mph (gusts 401125)
6.0 mm0.23 in
UV 2
11h
Friday — Forecast Overview
00:00
15°C58°F
1348
03:00
15°C59°F
19512
06:00
14°C58°F
18511
09:00
15°C59°F
18511
12:00
17°C63°F
19512
15:00
18°C64°F
16410
18:00
19°C66°F
17511
21:00
20°C67°F
15410
06:0814.9h20:59
SaturdayS 21 km/h6 m/s13 mph(gusts 391124)81%UV 311hSaturdayOvercast81%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
Overcast
81%
S 21 km/h6 m/s13 mph (gusts 391124)
UV 3
11h
Night17°C62°F
17°C62°FMorning17°C62°F
17°C62°FAfternoon33°C91°F
33°C91°FEvening30°C86°F
30°C86°F06:0914.8h20:58
SundaySW 16 km/h5 m/s10 mph(gusts 30818)67%UV 310hSundayDrizzle67%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
Drizzle
67%
SW 16 km/h5 m/s10 mph (gusts 30818)
UV 3
10h
Night27°C81°F
27°C81°FMorning29°C84°F
29°C84°FAfternoon29°C84°F
29°C84°FEvening37°C99°F
37°C99°F06:1014.8h20:57
Monday6.1 mm0.24 in· heavySE 23 km/h6 m/s14 mph(gusts 401125)68%UV 34hMondayLight rain68%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
Light rain
68%
SE 23 km/h6 m/s14 mph (gusts 401125)
6.1 mm0.24 in
UV 3
4h
Night28°C82°F
28°C82°FMorning29°C84°F
29°C84°FAfternoon29°C84°F
29°C84°FEvening34°C92°F
34°C92°F06:1114.8h20:56
Extended Forecast (GFS)TuesdayNE 18 km/h5 m/s11 mph(gusts 401125)61%15hTuesdayDrizzle61%NE 18 km/h5 m/s11 mph (gusts 401125)15h
Tuesday
NE 18 km/h5 m/s11 mph(gusts 401125)61%15h
Tuesday
Drizzle
61%
NE 18 km/h5 m/s11 mph (gusts 401125)
15h
Night18°C65°F
18°C65°FMorning25°C77°F
25°C77°FAfternoon25°C77°F
25°C77°FEvening31°C89°F
31°C89°F06:1214.7h20:55
Wednesday6.2 mm0.24 in· heavySE 34 km/h10 m/s21 mph(gusts 591637)89%14hWednesdayLight rain89%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
Light rain
89%
SE 34 km/h10 m/s21 mph (gusts 591637)
6.2 mm0.24 in
14h
Night21°C69°F
21°C69°FMorning23°C73°F
23°C73°FAfternoon23°C73°F
23°C73°FEvening23°C73°F
23°C73°F06:1314.7h20:54
ThursdayNE 24 km/h7 m/s15 mph(gusts 481330)72%15hThursdayClear72%NE 24 km/h7 m/s15 mph (gusts 481330)15h
Thursday
NE 24 km/h7 m/s15 mph(gusts 481330)72%15h
Thursday
Clear
72%
NE 24 km/h7 m/s15 mph (gusts 481330)
15h
Night20°C68°F
20°C68°FMorning25°C77°F
25°C77°FAfternoon25°C77°F
25°C77°FEvening31°C87°F
31°C87°F06:1414.6h20:53
Friday1.2 mm0.05 inSE 36 km/h10 m/s22 mph72%14hFridayClear72%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
Clear
72%
SE 36 km/h10 m/s22 mph
1.2 mm0.05 in
14h
Night18°C65°F
18°C65°FMorning23°C74°F
23°C74°FAfternoon23°C74°F
23°C74°FEvening30°C85°F
30°C85°F06:1514.6h20:52
SaturdayN 23 km/h6 m/s14 mph(gusts 401125)61%14hSaturdayClear61%N 23 km/h6 m/s14 mph (gusts 401125)14h
Saturday
N 23 km/h6 m/s14 mph(gusts 401125)61%14h
Saturday
Clear
61%
N 23 km/h6 m/s14 mph (gusts 401125)
14h
Night23°C73°F
23°C73°FMorning29°C83°F
29°C83°FAfternoon29°C83°F
29°C83°FEvening30°C87°F
30°C87°F06:1614.6h20:51
SundayNW 32 km/h9 m/s20 mph(gusts 511432)47%15hSundayClear47%NW 32 km/h9 m/s20 mph (gusts 511432)15h
Sunday
NW 32 km/h9 m/s20 mph(gusts 511432)47%15h
Sunday
Clear
47%
NW 32 km/h9 m/s20 mph (gusts 511432)
15h
Night20°C67°F
20°C67°FMorning21°C71°F
21°C71°FAfternoon21°C71°F
21°C71°FEvening24°C76°F
24°C76°F06:1714.5h20:49
MondayN 26 km/h7 m/s16 mph(gusts 501431)41%10hMondayPartly cloudy41%N 26 km/h7 m/s16 mph (gusts 501431)10h
Monday
N 26 km/h7 m/s16 mph(gusts 501431)41%10h
Monday
Partly cloudy
41%
N 26 km/h7 m/s16 mph (gusts 501431)
10h
Night18°C64°F
18°C64°FMorning19°C66°F
19°C66°FAfternoon19°C66°F
19°C66°FEvening31°C88°F
31°C88°F06:1814.5h20:48
TuesdaySE 31 km/h9 m/s20 mph39%15hTuesdayClear39%SE 31 km/h9 m/s20 mph15h
Tuesday
SE 31 km/h9 m/s20 mph39%15h
Tuesday
Clear
39%
SE 31 km/h9 m/s20 mph
15h
Night18°C64°F
18°C64°FMorning26°C80°F
26°C80°FAfternoon26°C80°F
26°C80°FEvening34°C94°F
34°C94°F06:1914.5h20:47
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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