Water Temperature of the Des Moines River in Swan, IA

Current Water Temperature

76.0°F 24.4°C
Comfortable Ideal for Swimming
76.0°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Pleasant and refreshing. Ideal for recreational swimming, triathlons, and active water recreation without thermal gear.

Measurement Time: Tuesday, September 20, 2022, 10:15 AM CDT

Temperature Locations

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Local Points of Interest

Runnells, IA; Monroe, IA

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Des Moines River

Station Name: Swan
Data Source: USGS

Elevation Above Sea Level: 722 feet

Nearest Address:
Beardsley Drive
Swan, IA 50237
Marion County

GPS Coordinates: 41.4894, -93.2783

Nearby Water Temperatures

Lake Red Rock, Pella, IA (17.9 mi)
Des Moines River, Pella, IA (18.1 mi)
Des Moines River, Des Moines, IA (19.6 mi)
Raccoon River, Van Meter, IA (34.9 mi)
South Raccoon River, Redfield, IA (45.7 mi)
Des Moines River, Ottumwa, IA (55.9 mi)
North Raccoon River, Jefferson, IA (66.3 mi)
Boone River, Webster City, IA (70.6 mi)
Morgan Creek, Cedar Rapids, IA (85.6 mi)
Cedar River, Palo, IA (86.7 mi)
Cedar River, Waverly, IA (95.6 mi)
North Raccoon River, Sac City, IA (106.4 mi)
Mississippi River, New Boston, IL (117 mi)
Mississippi River, Illinois City, IL (117.6 mi)
Mississippi River, Gladstone, IL (124.6 mi)

Weather for Swan, Iowa

Current Weather

34°F
Mainly Sunny
Conditions: Mainly Sunny
Humidity: 77%
Feels Like: 28.9°F
Wind: SSW 1.2 mph
Wind Gusts: 5.6 mph
Pressure: 30.3 in
Precipitation: 0 in
Cloud Cover: 35%
Visibility: 11.2 mi
UV Index: 2.7

Five-Day Weather Forecast

Overcast
Sat
H: 43°F
L: 23°F
Overcast
Sun
H: 48°F
L: 28°F
Partly Cloudy
Mon
H: 52°F
L: 30°F
Overcast
Tue
H: 56°F
L: 37°F
Light Drizzle
Wed
H: 59°F
L: 45°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
8.6 μg/m³
Good
PM10
9.1 μg/m³
Good
Ozone (O3)
45 μg/m³
Photochemical
NO2
5.8 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
215 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 53m daylight
Sunrise 7:01 AM
Solar Noon 11:57 AM
Sunset 4:54 PM
Moon
Waxing Crescent • 21%
Moonrise 11:51 AM
Transit 4:25 PM
Moonset 9:04 PM

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
3:55 PM - 6:25 PM

Minor Periods

11:21 AM - 12:51 PM
8:34 PM - 10:04 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 31.5°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 5.6 mph
UV Index: 3.2

Air Quality

EPA Index 1 • Good
PM2.5
8.5 μg/m³
Good
PM10
9 μg/m³
Good
Ozone (O3)
41.6 μg/m³
Photochemical
NO2
11 μg/m³
Nitrogen Dioxide
SO2
0.4 μg/m³
Sulfur Dioxide
CO
179.8 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 53m daylight
Sunrise 7:01 AM
Solar Noon 11:57 AM
Sunset 4:54 PM
Moon
Waxing Crescent • 21%
Moonrise 11:51 AM
Transit 4:25 PM
Moonset 9:04 PM

Best Times for Fishing or Hunting

Major Periods

3:30 AM - 6:00 AM
3:55 PM - 6:25 PM

Minor Periods

11:21 AM - 12:51 PM
8:34 PM - 10:04 PM
Action Rating:
Fair Action 2/5
Sunday, November 15, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 36.5°F
Average Humidity: 69%
Chance of Rain: 0%
Wind: 7.8 mph
UV Index: 3.1

Air Quality

EPA Index 2 • Moderate
PM2.5
12.3 μg/m³
Moderate
PM10
12.8 μg/m³
Good
Ozone (O3)
42.4 μg/m³
Photochemical
NO2
9.7 μg/m³
Nitrogen Dioxide
SO2
0.9 μg/m³
Sulfur Dioxide
CO
150 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 51m daylight
Sunrise 7:02 AM
Solar Noon 11:57 AM
Sunset 4:53 PM
Moon
Waxing Crescent • 31%
Moonrise 12:23 PM
Transit 5:11 PM
Moonset 10:08 PM

Best Times for Fishing or Hunting

Major Periods

4:18 AM - 6:48 AM
4:41 PM - 7:11 PM

Minor Periods

11:53 AM - 1:23 PM
9:38 PM - 11:08 PM
Action Rating:
Very Good 4/5
Monday, November 16, 2026

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 39.9°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 12.2 mph
UV Index: 3.1

Air Quality

EPA Index 2 • Moderate
PM2.5
10.7 μg/m³
Good
PM10
11 μg/m³
Good
Ozone (O3)
46.4 μg/m³
Photochemical
NO2
5.8 μg/m³
Nitrogen Dioxide
SO2
1.5 μg/m³
Sulfur Dioxide
CO
147.5 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 49m daylight
Sunrise 7:03 AM
Solar Noon 11:57 AM
Sunset 4:52 PM
Moon
First Quarter • 42%
Moonrise 12:49 PM
Transit 5:55 PM
Moonset 11:11 PM

Best Times for Fishing or Hunting

Major Periods

5:03 AM - 7:33 AM
5:25 PM - 7:55 PM

Minor Periods

12:19 PM - 1:49 PM
10:41 PM - 12:11 AM
Action Rating:
Good Action 3/5
Tuesday, November 17, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 45.3°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 16.3 mph
UV Index: 3.1

Air Quality

EPA Index 2 • Moderate
PM2.5
5.5 μg/m³
Good
PM10
5.6 μg/m³
Good
Ozone (O3)
54.8 μg/m³
Photochemical
NO2
3.8 μg/m³
Nitrogen Dioxide
SO2
1.1 μg/m³
Sulfur Dioxide
CO
141.8 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 47m daylight
Sunrise 7:04 AM
Solar Noon 11:58 AM
Sunset 4:52 PM
Moon
First Quarter • 54%
Moonrise 1:12 PM
Transit 6:38 PM
Moonset 1:37 AM

Best Times for Fishing or Hunting

Major Periods

5:47 AM - 8:17 AM
6:08 PM - 8:38 PM

Minor Periods

1:07 AM - 2:37 AM
12:42 PM - 2:12 PM
Action Rating:
Fair Action 2/5
Wednesday, November 18, 2026

Weather Forecast

Conditions: Light Drizzle
Average Temperature: 51.8°F
Average Humidity: 62%
Chance of Rain: 8%
Wind: 18.7 mph
UV Index: 2.7

Air Quality

EPA Index 1 • Good
PM2.5
3.8 μg/m³
Good
PM10
4 μg/m³
Good
Ozone (O3)
63.7 μg/m³
Photochemical
NO2
2.8 μg/m³
Nitrogen Dioxide
SO2
0.9 μg/m³
Sulfur Dioxide
CO
137 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 45m daylight
Sunrise 7:05 AM
Solar Noon 11:58 AM
Sunset 4:51 PM
Moon
First Quarter • 65%
Moonrise 1:33 PM
Transit 7:21 PM
Moonset 12:15 AM

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
6:51 PM - 9:21 PM

Minor Periods

1:03 PM - 2:33 PM
11:45 PM - 1:15 AM
Action Rating:
Fair Action 2/5
The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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