Cannonball River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Cannonball River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Cannonball River today is 22°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| AUG 24 | 20.8°C | 21.7°C | |
| AUG 25 | 20.8°C | 21.7°C | |
| AUG 26 | 21.0°C | 21.7°C | |
| AUG 27 | 21.6°C | 21.7°C | |
| AUG 28 | 21.0°C | 21.7°C | |
| AUG 29 | 21.3°C | 21.7°C | |
| AUG 30 | 21.3°C | 21.7°C | |
| AUG 31 | 21.6°C | 21.7°C | |
| SEP 1 | 16.0°C | 21.7°C | |
| SEP 2 | 16.0°C | 21.4°C | |
| SEP 3 | 16.0°C | 21.1°C | |
| SEP 4 | 16.0°C | 20.8°C | |
| SEP 5 | 16.0°C | 20.5°C | |
| SEP 6 | 16.0°C | 20.2°C | |
| SEP 7 | 16.0°C | 19.9°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 1°C | 5°C | 9°C |
| February | 1°C | 5°C | 9°C |
| March | 1°C | 6°C | 11°C |
| April | 2°C | 9°C | 16°C |
| May | 6°C | 14°C | 21°C |
| June | 14°C | 19°C | 22°C |
| July | 17°C | 23°C | 29°C |
| August | 17°C | 22°C | 27°C |
| September | 11°C | 16°C | 21°C |
| October | 8°C | 13°C | 17°C |
| November | 3°C | 8°C | 16°C |
| December | 1°C | 5°C | 8°C |
Cannonball River: Water Temperature by Location
Cannonball River: Weather Forecast
September 1
September 2
September 3
September 4
September 5
September 6
Location & Local Information
Source:
• location Slope County in White Lake National Wildlife Refuge
• elevation 2,780 ft (850 m)
Mouth:
• location Confluence with Missouri River in Lake Oahe
• elevation 1,611 ft (491 m)
Length 135 mi (217 km)
The Cannonball River, located in North Dakota, is a tributary of the Missouri River that flows through the central part of the state. Due to the river’s location in a more temperate region, the water temperature can fluctuate throughout the year. In the summer, temperatures in the Cannonball River typically range from the low to mid-60s Fahrenheit (around 15-20°C), making the water cool but still suitable for swimming in some areas. However, the water can remain quite cold in the early spring and fall, often dipping into the 40s Fahrenheit (4-9°C), which may not be ideal for those looking for a warmer swimming experience.
Swimming in the Cannonball River is not as commonly pursued as other activities such as fishing or boating. The river's flow can be unpredictable in some sections, and the current can be strong, especially after heavy rains or during spring runoff, which may make swimming more challenging or unsafe. In calmer stretches of the river, where the flow is gentler, people can wade or take short dips, though swimmers should always be cautious about changing water conditions and the presence of wildlife, such as fish and birds, which are abundant along the river.
While the Cannonball River may not be a primary swimming destination, it does offer outdoor enthusiasts opportunities for fishing, kayaking, and scenic exploration. The river is a peaceful environment for those interested in enjoying nature, with its rugged terrain and varied landscape. Those specifically looking for warmer or more controlled swimming experiences may prefer nearby lakes or reservoirs, but the Cannonball River remains a valued part of North Dakota's natural beauty and a quiet spot for water-based recreation.