Location & Surroundings
Halcyon is a settlement in Missouri, United States, at 332 m elevation. The nearest larger town is Rolla, 63 km to the northwest. The national capital Washington is about 1260 km to the east. The nearest airport is Haven Wood Airport, 16 km away.
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
37° 28' 35" N, 91° 22' 59" W
- Elevation 332 m (DEM: 338 m)
- Timezone America/Chicago
- Time Shift GMT -6 (DST -5)
Statistics & Country
- Pop. Density 0 p/km²
- Built-up 0.0%
- Settlement Very low density rural
- Currency Dollar (USD)
- Phone Prefix +1
Sun & Local Time
- Local time 01:57
- Sunrise 07:11
- Sunset 18:31
- Day length 11 h 20 min
Nearby
Weather in Halcyon
Current conditions and a 3-day (72-hour) weather forecast for Halcyon, updated from the NOAA GFS model.
Now 26.8 C with mostly clear skies and a 3.9 m/s southerly wind. Next 24h: 21.8 to 26.8 C, max wind 3.9 m/s. Precip around 0.1 mm. Solar peaks near 128 W/m2.
Temperature
26.8 C
Wind
3.9 m/s S (188 deg)
Humidity
67 %
Pressure
1,012.9 hPa
Clouds
0 %
Precip
0.06 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 | 26.8 | 3.9 | 188 | 67 | 1,012.9 | - / 0.00 | 0 | 0.0 | n/a |
| 6h | 22.5 | 2.2 | 205 | 92 | 1,014.1 | 0.30 / 0.30 | 100 | 0.0 | n/a |
| 12h | 21.8 | 2.4 | 307 | 98 | 1,014.9 | 15.74 / 16.04 | 100 | 0.0 | n/a |
| 18h | 23.3 | 1.0 | 270 | 86 | 1,016.1 | 0.00 / 13.09 | 98 | 82.5 | n/a |
| Tomorrow | 22.1 | 2.3 | 350 | 87 | 1,016.4 | 0.00 / 0.06 | 100 | 128.3 | n/a |
| 30h | 19.5 | 2.2 | 98 | 98 | 1,015.9 | 0.00 / 0.03 | 23 | 0.0 | n/a |
| 36h | 20.1 | 2.5 | 156 | 99 | 1,015.5 | 2.99 / 3.02 | 96 | 0.0 | n/a |
| 42h | 29.1 | 4.8 | 230 | 55 | 1,014.2 | 1.08 / 4.10 | 5 | 267.7 | n/a |
| Friday | 23.3 | 3.3 | 294 | 76 | 1,013.7 | 0.00 / 0.35 | 94 | 336.4 | n/a |
| 54h | 19.2 | 5.9 | 303 | 94 | 1,016.0 | 2.38 / 2.73 | 94 | 0.0 | n/a |
| 60h | 10.8 | 6.7 | 325 | 87 | 1,022.3 | 0.00 / 0.12 | 70 | 0.0 | n/a |
| 66h | 13.1 | 8.0 | 334 | 47 | 1,026.1 | 0.00 / 0.00 | 14 | 399.9 | n/a |
| Saturday | 8.9 | 5.5 | 345 | 63 | 1,028.9 | 0.00 / 0.00 | 6 | 371.7 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-14 00:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Halcyon?
Now 26.8 C with mostly clear skies and a 3.9 m/s southerly wind. Next 24h: 21.8 to 26.8 C, max wind 3.9 m/s. Precip around 0.1 mm. Solar peaks near 128 W/m2.
Is precipitation expected in the next 24 hours?
Around 0.1 mm of precipitation is expected in the next 24 hours.
When are sunrise and sunset in Halcyon today?
Sunrise around 07:11 and sunset around 18:31 (local time). Day length about 11h 20m.
What is the local time in Halcyon?
Local time is 01:57. Time zone: America/Chicago (UTC-05:00).
What type of place is Halcyon?
Halcyon is a populated place.
What is the elevation of Halcyon?
Elevation about 332 m. DEM 338 m.
Where is Halcyon located?
It is at 37.47643, -91.38292 (latitude, longitude).
Which country is Halcyon in?
It is in United States.