Location & Surroundings
Interchange 21 is a road junction in Iowa, United States, at 226 m elevation. The nearest larger town is Cedar Rapids, 2 km to the northeast. The national capital Washington is about 1285 km to the east. The nearest airport is Mays Island Helistop, 2 km away.
Also known as: Exit 21
Basic Data
- Type road junction (RDJCT)
- a place where two or more roads join
Geography
-
Coordinates
41° 59' 50" N, 91° 40' 1" W
- Elevation 226 m (DEM: 227 m)
- Timezone America/Chicago
- Time Shift GMT -6 (DST -5)
Statistics & Country
- Pop. Density 7 p/km²
- Built-up 16.6%
- Settlement Suburban / peri-urban
- Currency Dollar (USD)
- Phone Prefix +1
Sun & Local Time
- Local time 00:31
- Sunrise 07:09
- Sunset 18:39
- Day length 11 h 31 min
Other road junctions nearby
Nearby
Alternate Names
Weather in Interchange 21
Current conditions and a 3-day (72-hour) weather forecast for Interchange 21, updated from the NOAA GFS model.
Now 18.2 C with mostly clear skies and a 4.0 m/s southerly wind. Next 24h: 15.1 to 22.2 C, max wind 4.3 m/s. No precipitation expected. Solar peaks near 390 W/m2.
Temperature
18.2 C
Wind
4.0 m/s S (202 deg)
Humidity
80 %
Pressure
1,010.6 hPa
Clouds
0 %
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 | 18.2 | 4.0 | 202 | 80 | 1,010.6 | - / 0.00 | 0 | 0.0 | n/a |
| 6h | 16.4 | 3.6 | 231 | 93 | 1,010.1 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| 12h | 15.1 | 3.1 | 330 | 95 | 1,010.7 | 0.00 / 0.00 | 100 | 0.0 | n/a |
| 18h | 22.2 | 4.3 | 341 | 49 | 1,013.1 | 0.00 / 0.00 | 88 | 390.5 | n/a |
| Tomorrow | 16.8 | 2.3 | 294 | 59 | 1,013.8 | 0.00 / 0.00 | 44 | 371.4 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-07 00:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Interchange 21?
Now 18.2 C with mostly clear skies and a 4.0 m/s southerly wind. Next 24h: 15.1 to 22.2 C, max wind 4.3 m/s. No precipitation expected. Solar peaks near 390 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 21 today?
Sunrise around 07:09 and sunset around 18:39 (local time). Day length about 11h 30m.
What is the local time in Interchange 21?
Local time is 00:31. Time zone: America/Chicago (UTC-05:00).
What type of place is Interchange 21?
Interchange 21 is a road junction.
What is the elevation of Interchange 21?
Elevation about 226 m. DEM 227 m.
Where is Interchange 21 located?
It is at 41.99722, -91.66685 (latitude, longitude).
Which country is Interchange 21 in?
It is in United States.