Location & Surroundings
Interchange 81 is a road junction in South Dakota, United States, at 443 m elevation. The nearest larger town is Sioux Falls, 5 km to the southeast. The national capital Washington is about 1725 km to the east. The nearest airport is Joe Foss Field, 3 km away.
Also known as: Exit 81
Basic Data
- Type road junction (RDJCT)
- a place where two or more roads join
Geography
-
Coordinates
43° 34' 21" N, 96° 46' 29" W
- Elevation 443 m (DEM: 433 m)
- Timezone America/Chicago
- Time Shift GMT -6 (DST -5)
Statistics & Country
- Pop. Density 114 p/km²
- Built-up 20.2%
- Settlement Low density rural
- Currency Dollar (USD)
- Phone Prefix +1
Sun & Local Time
- Local time 12:55
- Sunrise 07:19
- Sunset 17:03
- Day length 9 h 44 min
Other road junctions nearby
Nearby
- Best Western Ramkota Hotel
- Best Western Plus Ramkota Hotel
- Best Western Plus Ramkota Hotel Conference Center
- George S Mickelson Center
- Best Western Ramkota Hotel & Conference Center
- Brimark Inn
- Bw Plus Ramkota Hotel & Conference Center
- Lackey School
- Sullivan Health/Science Center
- Ed Wood Trade and Industry Center
Alternate Names
Weather in Interchange 81
Current conditions and a 3-day (72-hour) weather forecast for Interchange 81, updated from the NOAA GFS model.
Now -0.5 C with mostly clear skies and a 4.0 m/s southerly wind. Next 24h: -0.5 to 7.9 C, max wind 6.8 m/s. No precipitation expected. Solar peaks near 246 W/m2.
Temperature
-0.5 C
Wind
4.0 m/s S (158 deg)
Humidity
81 %
Pressure
1,027.6 hPa
Clouds
5 %
Precip
0.00 mm
Solar
0.0 W/m2
UV-B
n/a
| Hour | Temp (C) | Wind (m/s) | Dir (deg) | RH (%) | Pressure (hPa) | Precip (step/total mm) | Clouds (%) | Solar (W/m2) | UV-B (W/m2) |
|---|---|---|---|---|---|---|---|---|---|
| NOW | -0.5 | 4.0 | 158 | 81 | 1,027.6 | - / 0.00 | 5 | 0.0 | n/a |
| 6h | 7.9 | 6.8 | 180 | 45 | 1,026.6 | 0.00 / 0.00 | 5 | 213.0 | n/a |
| 12h | 5.7 | 5.5 | 171 | 54 | 1,025.5 | 0.00 / 0.00 | 0 | 246.3 | n/a |
| 18h | 4.4 | 6.2 | 181 | 65 | 1,025.9 | 0.00 / 0.00 | 41 | 0.0 | n/a |
| Tomorrow | 3.8 | 6.2 | 187 | 72 | 1,025.2 | 0.00 / 0.00 | 4 | 0.0 | n/a |
| 30h | 10.7 | 8.4 | 198 | 63 | 1,022.9 | 0.00 / 0.00 | 5 | 204.5 | n/a |
| 36h | 9.7 | 6.5 | 184 | 74 | 1,021.2 | 0.00 / 0.00 | 18 | 234.3 | n/a |
| 42h | 8.3 | 6.9 | 186 | 79 | 1,020.9 | 0.00 / 0.00 | 100 | 0.0 | n/a |
| Tuesday | 7.3 | 6.9 | 180 | 88 | 1,020.0 | 0.00 / 0.00 | 100 | 0.0 | n/a |
| 54h | 11.6 | 8.8 | 181 | 69 | 1,017.5 | 0.00 / 0.00 | 100 | 134.5 | n/a |
| 60h | 11.7 | 9.4 | 180 | 67 | 1,014.4 | 0.00 / 0.00 | 100 | 186.2 | n/a |
| 66h | 9.7 | 9.1 | 180 | 69 | 1,013.5 | 0.00 / 0.00 | 100 | 0.0 | n/a |
| Wednesday | 8.7 | 8.6 | 176 | 78 | 1,011.3 | 0.00 / 0.00 | 52 | 0.0 | n/a |
Source: NOAA GFS 0.25° (run 2026-11-15 12:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Interchange 81?
Now -0.5 C with mostly clear skies and a 4.0 m/s southerly wind. Next 24h: -0.5 to 7.9 C, max wind 6.8 m/s. No precipitation expected. Solar peaks near 246 W/m2.
Is precipitation expected in the next 24 hours?
No measurable precipitation is expected in the next 24 hours.
When are sunrise and sunset in Interchange 81 today?
Sunrise around 07:19 and sunset around 17:03 (local time). Day length about 9h 44m.
What is the local time in Interchange 81?
Local time is 12:55. Time zone: America/Chicago (UTC-06:00).
What type of place is Interchange 81?
Interchange 81 is a road junction.
What is the elevation of Interchange 81?
Elevation about 443 m. DEM 433 m.
Where is Interchange 81 located?
It is at 43.57258, -96.77474 (latitude, longitude).
Which country is Interchange 81 in?
It is in United States.