Missouri River — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in the Missouri River, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in the Missouri River today is 19.3°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 |
|---|---|---|---|
| SEP 14 | 21.3°C | 17.0°C | |
| SEP 15 | 20.0°C | 17.0°C | |
| SEP 16 | 20.3°C | 17.0°C | |
| SEP 17 | 20.1°C | 17.0°C | |
| SEP 18 | 18.9°C | 17.0°C | |
| SEP 19 | 19.3°C | 17.0°C | |
| SEP 20 | 19.7°C | 17.0°C | |
| SEP 21 | 19.3°C | 17.0°C | |
| SEP 22 | 17.0°C | 19.2°C | |
| SEP 23 | 17.0°C | 19.1°C | |
| SEP 24 | 17.0°C | 19.0°C | |
| SEP 25 | 17.0°C | 18.8°C | |
| SEP 26 | 17.0°C | 18.7°C | |
| SEP 27 | 17.0°C | 18.6°C | |
| SEP 28 | 17.0°C | 18.5°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 | 0°C | 5°C | 9°C |
| February | 0°C | 5°C | 9°C |
| March | 0°C | 6°C | 11°C |
| April | 3°C | 10°C | 16°C |
| May | 7°C | 14°C | 22°C |
| June | 14°C | 19°C | 22°C |
| July | 17°C | 22°C | 28°C |
| August | 17°C | 22°C | 27°C |
| September | 11°C | 17°C | 23°C |
| October | 8°C | 14°C | 19°C |
| November | 3°C | 8°C | 16°C |
| December | 1°C | 5°C | 8°C |
Missouri River: Water Temperature by Location
Missouri River: Weather Forecast
September 21
September 22
September 23
September 24
September 25
September 26
Location & Local Information
Source Brower's Spring
• location near Brower's Spring, Montana
Mouth Mississippi River
• location Spanish Lake, near St. Louis, Missouri
Length 2,341 mi (3,767 km)
The Missouri River, running through the central United States, is known for its wide, winding path and varying water conditions. The water temperature in the Missouri River fluctuates based on the season and its location. In the spring, especially when snowmelt contributes to runoff, the water tends to be quite cold, with temperatures often ranging from 40°F to 55°F (4°C to 13°C). However, during the hot summer months, the water can warm up significantly, reaching temperatures of 70°F to 80°F (21°C to 27°C), making it more inviting for swimming.
Swimming in the Missouri River is possible, but it’s important to be cautious due to its strong currents, particularly in the sections with faster flows. While some parts of the river may have calmer waters, making them more suitable for recreational activities, others may not be safe for swimming, especially during high water levels or after heavy rains. The river is a popular spot for fishing, boating, and kayaking, with several public access points along its course. Although not as commonly associated with swimming as other natural bodies of water, certain areas of the Missouri River offer opportunities for those seeking to cool off or enjoy the outdoors. Always check water conditions and safety recommendations before venturing into the river.