Observed 4:55 AM CDT at KATY

Vienna, SD weather

Mostly cloudy and 63°17°, rain ~8–9 AM (45%).

Forecasts agree

Now 63°17°

Mostly cloudy

Wind: 13 mph20 km/h; From the south. Gusts to 31 mph49 km/h around 11 AM
Dew point: 48°9°; Comfortable · down to 39°4° by 12 PM
UV tomorrow: 1Low; Low all day (peak 1)
Air quality: 60Moderate; Main pollutant: PM10 (dust)
Pressure: 29.94 inHg1014 hPa; Rising · +0.04 inHg+1.5 hPa in 3 h

None rain starting around 6:15 AM.

From forecast models

Next 48 hours

Good hours for

Dry until 8 AM
Gusts to 30 mph48 km/h until 6 AM
Drizzle today 8–11 AM (50%)
Gusts to 31 mph50 km/h today 8 AM–noon
Rain tomorrow from 8 AM (90%, 1.3 in32 mm)

This morningDown to 54°12° by 9 AM · Rain 8–11 AM (50%) · gusts to 31 mph50 km/h
This afternoonNear 55°13° · rain chance 20% · Cloudy
TonightDown to 41°5° by 5 AM · rain chance 10% · Mostly cloudy
Tomorrow morningUp to 45°7° by 10 AM · Rain 8 AM–noon (50%)
Tomorrow afternoonNear 46°8° · Rain all afternoon (70%)
Tomorrow nightDown to 39°4° by 4 AM · Rain all night (90%)

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 5a	Partly cloudy	62°17° (likely 61°16° to 64°18°)	62°17°	10%	20 mph32 km/h from S, gusts 30 mph48 km/h	65%	58%	0
Sat 6a	Clear	61°16° (likely 61°16° to 63°17°)	61°16°	20%	16 mph26 km/h from SSW, gusts 25 mph40 km/h	67%	29%	0
Sat 7a	Mostly clear	60°16° (likely 60°16° to 62°17°)	60°16°	30%, 0.01 in0.3 mm	14 mph23 km/h from SW, gusts 23 mph37 km/h	69%	63%	0
Sat 8a	Cloudy	58°14° (likely 55°13° to 58°14°)	58°14°	50%, 0.01 in0.3 mm	15 mph24 km/h from W, gusts 28 mph45 km/h	69%	85%	0
Sat 9a	Drizzle	54°12° (likely 51°11° to 54°12°)	54°12°	40%, 0.01 in0.3 mm	20 mph32 km/h from NW, gusts 29 mph47 km/h	71%	94%	0
Sat 10a	Drizzle	54°12° (likely 49°9° to 54°12°)	54°12°	40%, 0.01 in0.3 mm	21 mph34 km/h from NW, gusts 28 mph44 km/h	66%	100%	0
Sat 11a	Rain	54°12° (likely 48°9° to 54°12°)	54°12°	30%, 0.01 in0.3 mm	21 mph34 km/h from NW, gusts 31 mph49 km/h	61%	100%	1
Sat 12p	Drizzle	55°13° (likely 47°8° to 55°13°)	55°13°	20%, 0.01 in0.3 mm	20 mph32 km/h from NW, gusts 22 mph36 km/h	55%	99%	2
Sat 1p	Drizzle	54°12° (likely 47°8° to 54°12°)	54°12°	20%	17 mph27 km/h from NW, gusts 20 mph33 km/h	55%	99%	2
Sat 2p	Cloudy	57°14° (likely 48°9° to 57°14°)	57°14°	10%	16 mph26 km/h from NW, gusts 19 mph30 km/h	47%	96%	2
Sat 3p	Cloudy	54°12° (likely 49°9° to 54°12°)	54°12°	10%	14 mph23 km/h from NNW, gusts 17 mph27 km/h	50%	95%	2
Sat 4p	Cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	5%	13 mph21 km/h from NNW, gusts 18 mph28 km/h	48%	81%	1
Sat 5p	Cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	0%	12 mph19 km/h from NNW, gusts 15 mph24 km/h	47%	80%	1
Sat 6p	Cloudy	53°12° (likely 49°9° to 53°12°)	53°12°	0%	8 mph13 km/h from NNW, gusts 11 mph18 km/h	48%	82%	0
Sat 7p	Cloudy	50°10° (likely 47°8° to 50°10°)	48°9°	0%	6 mph10 km/h from NNW, gusts 8 mph12 km/h	50%	88%	0
Sat 8p	Cloudy	48°9° (likely 45°7° to 48°9°)	46°8°	0%	5 mph8 km/h from NNW, gusts 8 mph12 km/h	54%	83%	0
Sat 9p	Clear	47°8° (likely 43°6° to 47°8°)	45°7°	0%	5 mph8 km/h from NNW, gusts 9 mph15 km/h	53%	50%	0
Sat 10p	Mostly cloudy	46°8° (likely 42°6° to 47°8°)	44°7°	0%	5 mph8 km/h from N, gusts 9 mph14 km/h	53%	44%	0
Sat 11p	Clear	46°8° (likely 41°5° to 46°8°)	44°7°	0%	5 mph8 km/h from N, gusts 8 mph14 km/h	53%	44%	0
Sun 12a	Clear	45°7° (likely 40°4° to 45°7°)	43°6°	0%	5 mph8 km/h from N, gusts 9 mph15 km/h	55%	41%	0
Sun 1a	Mostly cloudy	45°7° (likely 39°4° to 45°7°)	43°6°	0%	5 mph8 km/h from N, gusts 8 mph12 km/h	53%	45%	0
Sun 2a	Mostly cloudy	44°7° (likely 38°3° to 44°7°)	41°5°	0%	5 mph8 km/h from NNE, gusts 8 mph14 km/h	53%	51%	0
Sun 3a	Cloudy	43°6° (likely 37°3° to 43°6°)	40°4°	5%	5 mph8 km/h from NE, gusts 9 mph14 km/h	55%	82%	0
Sun 4a	Cloudy	43°6° (likely 37°3° to 43°6°)	39°4°	5%	6 mph10 km/h from NE, gusts 10 mph16 km/h	55%	67%	0
Sun 5a	Cloudy	41°5° (likely 36°2° to 43°6°)	37°3°	10%	6 mph10 km/h from NE, gusts 10 mph15 km/h	59%	99%	0
Sun 6a	Cloudy	41°5° (likely 36°2° to 43°6°)	37°3°	20%	6 mph10 km/h from ENE, gusts 9 mph15 km/h	59%	98%	0
Sun 7a	Cloudy	41°5° (likely 36°2° to 43°6°)	36°2°	20%, 0.03 in0.8 mm	7 mph11 km/h from ENE, gusts 10 mph16 km/h	59%	100%	0
Sun 8a	Rain	40°4° (likely 37°3° to 44°7°)	35°2°	20%, 0.03 in0.8 mm	7 mph11 km/h from ENE, gusts 11 mph18 km/h	62%	94%	0
Sun 9a	Cloudy	42°6° (likely 38°3° to 45°7°)	38°3°	30%, 0.03 in0.8 mm	7 mph11 km/h from ENE, gusts 9 mph14 km/h	60%	98%	0
Sun 10a	Cloudy	45°7° (likely 40°4° to 46°8°)	41°5°	40%, 0.03 in0.8 mm	8 mph13 km/h from ENE, gusts 11 mph18 km/h	55%	100%	1
Sun 11a	Rain	45°7° (likely 42°6° to 46°8°)	41°5°	50%, 0.03 in0.8 mm	8 mph13 km/h from ENE, gusts 15 mph23 km/h	55%	100%	1
Sun 12p	Rain	46°8° (likely 42°6° to 47°8°)	41°5°	40%, 0.03 in0.8 mm	9 mph14 km/h from ENE, gusts 15 mph23 km/h	53%	100%	1
Sun 1p	Rain	46°8° (likely 42°6° to 47°8°)	41°5°	40%, 0.12 in3 mm	9 mph14 km/h from ENE, gusts 15 mph23 km/h	56%	100%	1
Sun 2p	Rain	46°8° (likely 43°6° to 46°8°)	41°5°	50%, 0.12 in3 mm	9 mph14 km/h from ENE, gusts 14 mph23 km/h	58%	100%	1
Sun 3p	Rain	46°8° (likely 42°6° to 46°8°)	41°5°	70%, 0.12 in3 mm	9 mph14 km/h from ENE, gusts 15 mph23 km/h	58%	100%	0
Sun 4p	Rain	46°8° (likely 42°6° to 46°8°)	41°5°	50%, 0.12 in3 mm	10 mph16 km/h from NE, gusts 18 mph28 km/h	58%	100%	0
Sun 5p	Rain	46°8° (likely 41°5° to 46°8°)	41°5°	60%, 0.12 in3 mm	10 mph16 km/h from NE, gusts 17 mph28 km/h	60%	100%	0
Sun 6p	Rain	47°8° (likely 40°4° to 47°8°)	42°6°	40%, 0.12 in3 mm	10 mph16 km/h from NE, gusts 20 mph32 km/h	58%	100%	0
Sun 7p	Rain	45°7° (likely 39°4° to 45°7°)	39°4°	90%, 0.02 in0.5 mm	12 mph19 km/h from ENE, gusts 21 mph34 km/h	63%	100%	0
Sun 8p	Rain	43°6° (likely 39°4° to 43°6°)	37°3°	90%, 0.02 in0.5 mm	12 mph19 km/h from ENE, gusts 21 mph33 km/h	67%	100%	0
Sun 9p	Drizzle	42°6° (likely 39°4° to 42°6°)	36°2°	90%, 0.02 in0.5 mm	12 mph19 km/h from ENE, gusts 19 mph31 km/h	70%	100%	0
Sun 10p	Drizzle	42°6° (likely 39°4° to 42°6°)	36°2°	90%, 0.02 in0.5 mm	12 mph19 km/h from ENE, gusts 17 mph27 km/h	73%	100%	0
Sun 11p	Drizzle	42°6° (likely 39°4° to 42°6°)	36°2°	90%, 0.02 in0.5 mm	12 mph19 km/h from ENE, gusts 19 mph31 km/h	73%	100%	0
Mon 12a	Rain	41°5° (likely 39°4° to 41°5°)	34°1°	90%, 0.02 in0.5 mm	13 mph21 km/h from ENE, gusts 19 mph31 km/h	79%	100%	0
Mon 1a	Drizzle	41°5° (likely 39°4° to 42°6°)	34°1°	80%, 0.07 in1.8 mm	13 mph21 km/h from ENE, gusts 21 mph34 km/h	79%	100%	0
Mon 2a	Rain	40°4° (likely 39°4° to 43°6°)	32°0°	80%, 0.07 in1.8 mm	14 mph23 km/h from ENE, gusts 22 mph36 km/h	82%	100%	0
Mon 3a	Rain	40°4° (likely 39°4° to 43°6°)	32°0°	80%, 0.07 in1.8 mm	14 mph23 km/h from ENE, gusts 23 mph37 km/h	82%	99%	0
Mon 4a	Rain	39°4° (likely 38°3° to 42°6°)	31°−1°	80%, 0.07 in1.8 mm	15 mph24 km/h from ENE, gusts 23 mph38 km/h	85%	99%	0

Days ahead

Tap a day for its hours and the official wording.

Today, Oct 24. Drizzle. High 59°15°, low 54°12°. Rain 0.1 in2.5 mm, 50% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Rain, 58°14°
  50% chance · 0.05 in1.3 mm
2. Afternoon
  noon–6 PM
  Drizzle, 57°14°
  20% chance · 0.01 in0.3 mm
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 41°5°
  Dry
Official NWS forecast
Today: A chance of rain before 2pm. Mostly cloudy. High near 59, with temperatures falling to around 54 in the afternoon. West wind 12 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Tonight: Partly cloudy. Low around 54, with temperatures rising to around 62 overnight. South wind around 20 mph, with gusts as high as 28 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
59°15°–67°19°
Low, likely
41°5°–54°12°
Wind
25 mph40 km/h, gusts 37 mph59 km/h
UV peak
4
Tomorrow, Oct 25. Rain. High 48°9°, low 35°2°. Rain 0.16 in4.1 mm, 70% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 40°4°
  50% chance · 0.15 in3.8 mm
2. Afternoon
  noon–6 PM
  Rain, 46°8°
  70% chance · 0.63 in16 mm
3. Evening
  6 PM–midnight
  Rain, 43°6°
  90% chance · 0.22 in5.6 mm
4. Overnight
  midnight–6 AM
  Rain, 39°4°
  90% chance · 0.34 in8.6 mm
Official NWS forecast
Day: Rain likely. Cloudy, with a high near 48. East northeast wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Night: Rain. Cloudy, with a low around 35. Northeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
43°6°–48°9°
Low, likely
35°2°–41°5°
Wind
14 mph23 km/h, gusts 24 mph39 km/h
UV peak
1
Monday, Oct 26. Rain. High 44°7°, low 35°2°. Rain 0.9 in23 mm, 90% chance. Mostly agree.
1. Morning
  6 AM–noon
  Rain, 39°4°
  90% chance · 0.24 in6.1 mm
2. Afternoon
  noon–6 PM
  Rain, 39°4°
  100% chance · 0.39 in9.9 mm
3. Evening
  6 PM–midnight
  Drizzle, 40°4°
  90% chance · 0.24 in6.1 mm
4. Overnight
  midnight–6 AM
  Drizzle, 43°6°
  90% chance · 0.11 in2.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain. Cloudy, with a high near 44. East northeast wind around 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Night: Rain. Cloudy, with a low around 35. East wind 13 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
40°4°–44°7°
Low, likely
35°2°–40°4°
Wind
24 mph38 km/h, gusts 39 mph63 km/h
Tuesday, Oct 27. Rain. High 52°11°, low 41°5°. Rain 0.19 in4.8 mm, 60% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 41°5°
  40% chance
2. Afternoon
  noon–6 PM
  Sunny, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 51°11°
  30% chance · 0.08 in2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 46°8°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain likely. Mostly cloudy, with a high near 52. South southwest wind 8 to 12 mph. Chance of precipitation is 60%.
Night: A chance of rain. Mostly cloudy, with a low around 41. South southeast wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
52°11°–57°14°
Low, likely
40°4°–42°6°
Wind
18 mph30 km/h, gusts 36 mph58 km/h
UV peak
4
Wednesday, Oct 28. Rain. High 57°14°, low 37°3°. Rain 0.01 in0.3 mm, 50% chance. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 43°6°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 58°14°
  Dry
3. Evening
  6 PM–midnight
  Clear, 48°9°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 41°5°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain before 1pm. Partly sunny, with a high near 57. Chance of precipitation is 50%.
Night: Partly cloudy, with a low around 37.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
57°14°–59°15°
Low, likely
37°3°–45°7°
Wind
19 mph31 km/h, gusts 41 mph66 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 57°14°, low 41°5°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Sunny, 42°5°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Clear, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 57.
Night: Partly cloudy, with a low around 41.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
55°13°–61°16°
Low, likely
36°2°–44°7°
Wind
12 mph19 km/h, gusts 40 mph65 km/h
UV peak
3
Friday, Oct 30. Drizzle. High 58°14°, low 47°8°. Rain 0.05 in1.3 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 61°16°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 56°13°
  20% chance · 0.01 in0.3 mm
4. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  30% chance · 0.01 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain after 7am. Partly sunny, with a high near 58. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–67°19°
Low, likely
42°6°–52°11°
Wind
14 mph23 km/h, gusts 26 mph41 km/h
UV peak
3
Saturday, Oct 31. Drizzle. High 63°17°, low 53°12°. Rain 0.12 in3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 56°13°
  30% chance
2. Afternoon
  noon–6 PM
  Drizzle, 64°18°
  30% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 58°14°
  40% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 54°12°
  30% chance · 0.03 in0.7 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
57°14°–67°19°
Low, likely
48°9°–57°14°
Wind
15 mph24 km/h, gusts 27 mph43 km/h
UV peak
3
Sunday, Nov 1. Drizzle. High 57°14°, low 47°8°. Rain 0.12 in3 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 52°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 52°11°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 49°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 46°8°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
51°11°–61°16°
Low, likely
39°4°–56°13°
Wind
18 mph29 km/h, gusts 26 mph42 km/h
UV peak
1
Monday, Nov 2. Snow. High 53°12°, low 43°6°. Snow 0–1 in0–3 cm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 45°7°
  Dry
2. Afternoon
  noon–6 PM
  Drizzle, 46°8°
  Dry
3. Evening
  6 PM–midnight
  Snow, 46°8°
  Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
50°10°–59°15°
Low, likely
35°2°–53°12°
Wind
23 mph37 km/h, gusts 44 mph70 km/h

10 days15 days30 days

The outlook

Today
45% chance of rain, high 59°, low 54°.
Tomorrow
67% chance of rain, high 48°, low 35°, cooling off.
Monday
89% chance of rain, high 44°, low 35°, cooling off.
Rest of week
Highs 52–63°; chance of precipitation on Tuesday, Wednesday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (ABR) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Pelican Lake near Watertown

18 mi

Below flood stage

Level: 1711 ft

Reading from Sat 4 AM · NWS gauge page

Lake Kampeska at Watertown Water Plant

21 mi

Below flood stage

Level: 17.4 ft

Reading from Sat 3:15 AM · NWS gauge page

Big Sioux River near Castlewood

23 mi

Below flood stage

Level: 4.9 ft
Flow: 39 cfs

Reading from Sat 3:45 AM · NWS gauge page

Big Sioux River at Watertown Broadway Avenue

23 mi

Below flood stage

Level: 5.0 ft
Flow: 18 cfs

Reading from Sat 4 AM · NWS gauge page

Sun & moon

Sun

Daylight: 10 h 33 min; Losing 2 min 58 s a day; shortest Dec 21, 1 h 45 min less
Golden hour: 5:49–6:48 PM; Morning 7:38–8:38 AM
Blue hour: 6:48–7:00 PM; Morning 7:27–7:38 AM; first light 7:27 AM

Stars tonight? Poor

Clouds most of the night (about 50% cover).

Moon

Waxing gibbous

96% lit · growing

Today: sets 6:10 AM · rises 5:29 PM
Full moon: Oct 25
New moon: Nov 9

Looking east from Vienna. The highest point on the skyline is about 3,900 ft, 16 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Vienna, SD weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Pelican Lake near Watertown

Lake Kampeska at Watertown Water Plant

Big Sioux River near Castlewood

Big Sioux River at Watertown Broadway Avenue

Sun & moon

Sun

Stars tonight? Poor

Moon