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Kootenay River
© By USEPA
Kootenay River Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Kootenay River, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Kootenay River
49°F
TODAY
48°F
YESTERDAY
45°F
A WEEK AGO
As of today, the minimum water temperature in the Kootenay River ranges from 41°F (5°C) to 47°F (8°C). This water temperature is still quite low, and swimming in such conditions may only be comfortable for hardened individuals. It is recommended to limit the time spent in the water to avoid hypothermia. For those not accustomed to cold water, it is better to refrain from swimming. However, if you decide to enter the water, it is advisable to wear a warm wetsuit for protection against the cold.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Analysis, Historical Data, and Forecast of Water Temperature
Water Temperature Chart for Kootenay River Over the Last 30 Days
Today the water temperature in Kootenay River is lower than the same day in previous years. The water temperature range here in May is from 45°F to 70°F. The water temperature is trending upward, and it has increased both over the past 30 days and the past week.
The forecasted water temperature values for Kootenay River are presented in the table below.
The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.
Daily Water Temperature Chart
| Date | Current | Average | Forecast |
|---|---|---|---|
| May 2 | 45°F | 57°F | |
| May 3 | 46°F | 57°F | |
| May 4 | 46°F | 57°F | |
| May 5 | 48°F | 57°F | |
| May 6 | 47°F | 57°F | |
| May 7 | 48°F | 57°F | |
| May 8 | 48°F | 57°F | |
| May 9 | 49°F | 57°F | |
| May 10 | 57°F | 50°F | |
| May 11 | 57°F | 50°F | |
| May 12 | 57°F | 51°F | |
| May 13 | 57°F | 51°F | |
| May 14 | 57°F | 51°F | |
| May 15 | 57°F | 52°F | |
| May 16 | 57°F | 52°F | |
| May 17 | 57°F | 53°F |
Water Temperature Ranges in Kootenay River by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 42°F | 48°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 34°F | 41°F | 48°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 44°F | 52°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 49°F | 61°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 45°F | 57°F | 70°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 57°F | 65°F | 72°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 63°F | 68°F | 75°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 63°F | 71°F | 73°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 52°F | 64°F | 66°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 56°F | 61°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 47°F | 61°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 40°F | 46°F |
Monthly Water Temperature Histogram for Kootenay River
Water Temperature in Cities and Towns on Kootenay River
Kootenay River Weather
MAY 10
48°F / 73°F
overcastrain: 6% | wind: 8 mph
MAY 11
41°F / 70°F
overcastrain: 39% | wind: 8 mph
MAY 12
37°F / 59°F
slight snow fallrain: 85% | wind: 9 mph
MAY 13
37°F / 59°F
moderate drizzlerain: 85% | wind: 6 mph
MAY 14
36°F / 64°F
overcastrain: 42% | wind: 4 mph
Water Temperature in Kootenay River: General Trends and Swimming Opportunities
Source South flank of Castle Mountain
• location Mount Hungabee, Kootenay National Park, British Columbia, Canada
Mouth Columbia River
• location Castlegar, British Columbia, Canada
Length 780 km (480 mi)
The Kootenay River, flowing through southeastern British Columbia, northern Idaho, and western Montana, is a stunning river known for its cold, clear waters and picturesque surroundings. Originating in the Canadian Rockies, the river maintains a relatively low water temperature throughout the year due to glacial and mountain runoff. In the summer, water temperatures may rise to 50°F to 60°F (10°C to 16°C) in calmer, sunlit stretches, but the river remains brisk, offering a refreshing escape during hot weather.
Swimming in the Kootenay River is possible, though it is not the primary activity due to its consistently cool temperatures and strong currents in many sections. Some calmer spots, such as areas near Kootenay Lake or quieter river bends, may be suitable for a quick dip or wading. However, the river is more commonly enjoyed for activities like kayaking, canoeing, and fishing, with its pristine waters and rugged surroundings creating a perfect backdrop for outdoor adventures. Whether relaxing along its shores or exploring its flow, the Kootenay River provides a unique and invigorating experience for nature lovers.
Geographical Location of Kootenay River
Frequently Asked Questions About Kootenay River and its Water Temperatures
What is the current water temperature in Kootenay River?
The water temperature today in Kootenay River ranges from 46°F (7.6°C) to 47°F (8.1°C).
What is the water temperature in Kootenay River during the summer months?
The average water temperature in Kootenay River during the summer months is typically between 65°F to 71°F (19°C to 21°C), and it can reach up to 75°F (24°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Kootenay River in May?
The average water temperature in Kootenay River in May ranges from 46°F to 70°F (8°C to 21°C).
What is the water temperature in Kootenay River in September?
The average water temperature in Kootenay River in September is typically between 52°F to 66°F (11°C to 19°C).
Where does Kootenay River flow?
Kootenay River flows through United States (Montana, Idaho), Canada (British Columbia).
Is it possible to swim in the Kootenay River?
Yes, it is possible to swim in the Kootenay River. However, caution is advised due to fluctuating water levels and temperatures, and potential strong currents.