Location & Surroundings
Koster is a settlement in Illinois, United States, at 193 m elevation. The nearest larger town is Kankakee, 15 km to the west. The national capital Washington is about 940 km to the east. The nearest airport is Benoit Airport, 10 km away.
Overview
Koster is hamlet in Kankakee County, Illinois, United States.
It is located in Kankakee County, United States.
Also known as: Koster, IL, Koster, Illinois
Basic Data
- Country United States
- Located in Kankakee County
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
41° 5' 30" N, 87° 41' 6" W
- Elevation 193 m (DEM: 194 m)
- Timezone America/Chicago
- Time Shift GMT -6 (DST -5)
Statistics & Country
- Pop. Density 1 p/km²
- Built-up 0.1%
- Settlement Very low density rural
- Currency Dollar (USD)
- Phone Prefix +1
Sun & Local Time
- Local time 20:03
- Sunrise 06:24
- Sunset 16:44
- Day length 10 h 20 min
Other populated places nearby
Nearby
Weather in Koster
Current conditions and a 3-day (72-hour) weather forecast for Koster, updated from the NOAA GFS model.
Now 20.8 C with overcast skies and a 8.3 m/s southerly wind. Next 24h: 15.5 to 22.9 C, max wind 8.3 m/s. Precip around 0.9 mm. Solar peaks near 123 W/m2.
Temperature
20.8 C
Wind
8.3 m/s S (183 deg)
Humidity
67 %
Pressure
1,012.0 hPa
Clouds
99 %
Precip
0.88 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 | 20.8 | 8.3 | 183 | 67 | 1,012.0 | - / 0.00 | 99 | 0.0 | n/a |
| 6h | 22.9 | 8.2 | 170 | 55 | 1,009.1 | 0.00 / 0.00 | 100 | 122.6 | n/a |
| 12h | 20.1 | 8.0 | 180 | 80 | 1,005.9 | 2.40 / 2.40 | 100 | 0.0 | n/a |
| 18h | 16.6 | 7.5 | 189 | 82 | 1,005.9 | 4.00 / 6.41 | 96 | 0.0 | n/a |
| Tomorrow | 15.5 | 6.5 | 232 | 76 | 1,005.7 | 0.00 / 0.88 | 92 | 113.1 | n/a |
| 30h | 13.9 | 5.6 | 229 | 72 | 1,007.0 | 0.00 / 0.06 | 100 | 84.0 | n/a |
| 36h | 13.2 | 5.9 | 227 | 71 | 1,007.2 | 0.19 / 0.25 | 100 | 0.0 | n/a |
| 42h | 10.6 | 6.2 | 224 | 74 | 1,007.6 | 0.00 / 0.02 | 5 | 0.0 | n/a |
| Thursday | 15.0 | 7.5 | 245 | 52 | 1,008.1 | 0.00 / 0.00 | 46 | 297.7 | n/a |
| 54h | 10.3 | 5.5 | 254 | 78 | 1,010.8 | 0.22 / 0.22 | 100 | 125.3 | n/a |
| 60h | 10.3 | 5.0 | 279 | 88 | 1,012.4 | 0.00 / 0.15 | 100 | 0.0 | n/a |
| 66h | 7.8 | 5.3 | 340 | 77 | 1,016.0 | 0.75 / 0.90 | 100 | 0.0 | n/a |
| Friday | 7.3 | 6.1 | 331 | 56 | 1,018.6 | 0.00 / 0.00 | 100 | 71.9 | n/a |
Source: NOAA GFS 0.25° (run 2026-11-03 18:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Koster?
Now 20.8 C with overcast skies and a 8.3 m/s southerly wind. Next 24h: 15.5 to 22.9 C, max wind 8.3 m/s. Precip around 0.9 mm. Solar peaks near 123 W/m2.
Is precipitation expected in the next 24 hours?
Around 0.9 mm of precipitation is expected in the next 24 hours.
When are sunrise and sunset in Koster today?
Sunrise around 06:23 and sunset around 16:45 (local time). Day length about 10h 22m.
What is the local time in Koster?
Local time is 20:03. Time zone: America/Chicago (UTC-06:00).
What type of place is Koster?
Koster is a populated place.
What is the elevation of Koster?
Elevation about 193 m. DEM 194 m.
Where is Koster located?
It is at 41.09170, -87.68504 (latitude, longitude).
Which country is Koster in?
It is in United States.
Links
- Wikidata entry Wikidata entry