Lakes / North America / United States
Flathead Lake today
Flathead Lake right now: there's a gentle breeze from the north at 18 km/h11 mph and it's 9 °C47 °F and overcast.
Updated 08:17 local time, Saturday 12 September
Water temperature
Not measured yet
We add water temperatures as reliable sources become available.
Wind now
18 km/h11 mph
From the north, gusts 18 km/h11 mph. 10 knots, a gentle breeze.
Air
9 °C47 °F
Overcast.
Water level
881.84 m2893.16 ft
A little above normal for this date. Reservoir surface elevation, up 0.07 m0.22 ft over 7 days. USGS, less than an hour ago.
Flathead Lake water level today
Flathead Lake is a little above normal for 12 September: 881.84 m2893.16 ft against a median of 881.65 m2892.56 ft for this date, measured over 27 years (1999–2026). That is the highest level recorded on this date.
| Water level | 881.84 m2893.16 ft |
| Median for 12 September | 881.65 m2892.56 ft |
| Difference from normal | Up 0.18 m0.60 ft |
| Range on this date | 881.02 m2890.49 ft to 881.80 m2893.06 ft |
| Reading from | less than an hour ago |
Source: USGS. Provisional data, subject to revision.
Good for today?
Rules of thumb from the current wind and water temperature. Conditions differ across the lake, so check on the spot.
- SwimmingNo water temperature yet
- Kayak and paddleboardBreezy – for experienced paddlers
- SailingGood sailing breeze
- Windsurf and kiteMarginal
Wind, next 24 hours
KilometresMiles per hour, gusts below. Arrows point the way the wind blows.
08:001811gusts 1811 N
11:002314gusts 2314 NNW
14:002113gusts 2113 NNW
17:002012gusts 2315 NNW
20:001912gusts 2616 N
23:002314gusts 4830 E
02:002214gusts 2214 NW
05:002415gusts 2415 NW
Four-day forecast
| Day | Weather | High / low | Wind | Gusts | Rain |
|---|---|---|---|---|---|
| Today12 Sep Overcast | Overcast | 12 °C53 °F / 9 °C47 °F | 2818 N | 4830 | 2% |
| Tomorrow13 Sep Light rain | Light rain | 11 °C52 °F / 7 °C44 °F | 2918 WNW | 4226 | 76% |
| Monday14 Sep Light showers | Light showers | 12 °C53 °F / 6 °C42 °F | 2013 SW | 2717 | 80% |
| Tuesday15 Sep Overcast | Overcast | 15 °C59 °F / 8 °C46 °F | 117 NE | 95 | 5% |
Wind in km/hmph. Rain shows the highest hourly chance of rain that day.