Location & Surroundings
Tomahawk Lake is a reservoir in Illinois, United States, at 146 m elevation. The nearest larger town is Highland, 14 km to the west. The national capital Washington is about 1080 km to the east. The nearest airport is Saint Rose Airport, 7 km away.
Basic Data
- Type reservoir(s) (RSV)
- an artificial pond or lake
Geography
-
Coordinates
38° 45' 38" N, 89° 31' 2" W
- Elevation 146 m (DEM: 145 m)
- Timezone America/Chicago
- Time Shift GMT -6 (DST -5)
Statistics & Country
- Pop. Density 20 p/km²
- Built-up 0.4%
- Settlement Very low density rural
- Currency Dollar (USD)
- Phone Prefix +1
Sun & Local Time
- Local time 21:34
- Sunrise 07:06
- Sunset 18:21
- Day length 11 h 15 min
Nearby
Weather in Tomahawk Lake
Current conditions and a 3-day (72-hour) weather forecast for Tomahawk Lake, updated from the NOAA GFS model.
Now 25.5 C with overcast skies and a 1.9 m/s south-westerly wind. Next 24h: 20.2 to 28.2 C, max wind 6.1 m/s. Precip around 1.6 mm. Solar peaks near 270 W/m2.
Temperature
25.5 C
Wind
1.9 m/s SW (241 deg)
Humidity
71 %
Pressure
1,016.3 hPa
Clouds
100 %
Precip
1.60 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 | 25.5 | 1.9 | 241 | 71 | 1,016.3 | - / 0.00 | 100 | 0.0 | n/a |
| 6h | 22.4 | 1.1 | 335 | 85 | 1,016.4 | 0.20 / 0.20 | 100 | 52.0 | n/a |
| 12h | 21.6 | 2.0 | 80 | 88 | 1,016.6 | 0.00 / 0.00 | 91 | 0.0 | n/a |
| 18h | 20.2 | 2.2 | 119 | 96 | 1,016.1 | 1.36 / 1.36 | 55 | 0.0 | n/a |
| Tomorrow | 28.2 | 6.1 | 196 | 65 | 1,012.9 | 0.24 / 1.60 | 100 | 269.7 | n/a |
| 30h | 23.6 | 6.0 | 250 | 82 | 1,011.8 | 1.69 / 3.29 | 17 | 182.6 | n/a |
| 36h | 16.3 | 8.0 | 312 | 84 | 1,014.9 | 0.00 / 0.23 | 100 | 0.0 | n/a |
| 42h | 11.8 | 8.6 | 307 | 76 | 1,019.3 | 0.45 / 0.68 | 95 | 0.0 | n/a |
| Friday | 11.4 | 7.9 | 311 | 58 | 1,023.3 | 0.00 / 0.01 | 95 | 216.3 | n/a |
| 54h | 11.3 | 7.5 | 329 | 58 | 1,026.6 | 0.06 / 0.06 | 99 | 161.1 | n/a |
| 60h | 8.3 | 5.3 | 349 | 75 | 1,030.5 | 0.00 / 0.00 | 5 | 0.0 | n/a |
| 66h | 4.5 | 3.3 | 2 | 86 | 1,033.5 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| Saturday | 14.4 | 2.0 | 89 | 39 | 1,033.0 | 0.00 / 0.00 | 0 | 414.9 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-14 18:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Tomahawk Lake?
Now 25.5 C with overcast skies and a 1.9 m/s south-westerly wind. Next 24h: 20.2 to 28.2 C, max wind 6.1 m/s. Precip around 1.6 mm. Solar peaks near 270 W/m2.
Is precipitation expected in the next 24 hours?
Around 1.6 mm of precipitation is expected in the next 24 hours.
When are sunrise and sunset in Tomahawk Lake today?
Sunrise around 07:05 and sunset around 18:22 (local time). Day length about 11h 17m.
What is the local time in Tomahawk Lake?
Local time is 21:34. Time zone: America/Chicago (UTC-05:00).
What type of place is Tomahawk Lake?
Tomahawk Lake is a reservoir(s).
What is the elevation of Tomahawk Lake?
Elevation about 146 m. DEM 145 m.
Where is Tomahawk Lake located?
It is at 38.76066, -89.51720 (latitude, longitude).
Which country is Tomahawk Lake in?
It is in United States.