Water Temperature of the Des Moines River in Swan, IA

Current Water Temperature

76.0°F

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

Temperature Locations

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Local Points of Interest

Runnells, IA; Monroe, IA

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

37.6°F
Sunny
Sunny
30.2°F
41.7°F
65%
ESE 11 mph
16 mph
37.2°F
19.3°F
0 in
0%
9 mi
1026 mbar
0.5

Five Day Weather Forecast

Sunny
Mon
H: 73°F
L: 33°F
Sunny
Tue
H: 78°F
L: 55°F
Partly Cloudy
Wed
H: 74°F
L: 57°F
Moderate rain
Thu
H: 67°F
L: 61°F
Patchy rain nearby
Fri
H: 60°F
L: 45°F

Air Quality

AQI: 1 - Good
PM2.5: 4.45 μg/m3
PM10: 5.45 μg/m3
Carbon Monoxide: 168.85 μg/m3
Nitrogen Dioxide: 1.65 μg/m3
Sulphur Dioxide: 1.35 μg/m3
Ozone: 97 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:12 PM
Sunset: 7:59 PM
Daylight: 13 hrs 33 mins
Moonrise: 8:14 AM
Moon Transit: 4:22 PM
Moonset: 12:23 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
3:52 PM - 6:22 PM

Minor Periods

7:44 AM - 9:14 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Frost Advisory issued April 19 at 9:02PM CDT until April 20 at 9:00AM CDT by NWS Des Moines IA

Effective: Sun April 19, 2026, 9:02 PM
Expires: Mon April 20, 2026, 7:15 AM

* WHAT...Temperatures as low as 26 will result in frost formation. * WHERE...Polk, Appanoose, Lucas, Marion, Monroe, Warren, Wayne, and Davis Counties. * WHEN...Until 9 AM CDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Frost Advisory issued April 20 at 4:07AM CDT until April 20 at 9:00AM CDT by NWS Des Moines IA

Effective: Mon April 20, 2026, 4:07 AM
Expires: Mon April 20, 2026, 9:00 AM

* WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Polk, Appanoose, Lucas, Marion, Monroe, Warren, Wayne, and Davis Counties. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Take steps now to protect tender plants from the cold.


Freeze Warning issued April 19 at 9:02PM CDT until April 20 at 9:00AM CDT by NWS Des Moines IA

Effective: Sun April 19, 2026, 9:02 PM
Expires: Mon April 20, 2026, 7:15 AM

* WHAT...Sub-freezing temperatures as low as 22 expected. * WHERE...Portions of central, northeast, south central, and southeast Iowa. * WHEN...Until 9 AM CDT Monday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.


Freeze Warning issued April 20 at 4:07AM CDT until April 20 at 9:00AM CDT by NWS Des Moines IA

Effective: Mon April 20, 2026, 4:07 AM
Expires: Mon April 20, 2026, 9:00 AM

* WHAT...Sub-freezing temperatures as low as 26. * WHERE...Portions of central and eastern Iowa. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Take steps now to protect tender plants from the cold.
Monday, April 20, 2026

Weather Forecast

Sunny
73.2°F
33.3°F
52.1°F
50%
0 in
0%
0%
17.4 mph
7.1


Air Quality

AQI: 1 - Good
PM2.5: 5.5 μg/m3
PM10: 6.15 μg/m3
Carbon Monoxide: 177.17 μg/m3
Nitrogen Dioxide: 4.08 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 80.2 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 1:12 PM
Sunset: 7:59 PM
Daylight: 13 hrs 33 mins
Moonrise: 8:14 AM
Moon Transit: 4:22 PM
Moonset: 12:23 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
3:52 PM - 6:22 PM

Minor Periods

7:44 AM - 9:14 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Sunny
78.4°F
55.4°F
65.5°F
66%
0 in
0%
0%
17.7 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 4.55 μg/m3
PM10: 5.32 μg/m3
Carbon Monoxide: 161.09 μg/m3
Nitrogen Dioxide: 3.07 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 97.96 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 1:11 PM
Sunset: 8:00 PM
Daylight: 13 hrs 36 mins
Moonrise: 9:14 AM
Moon Transit: 5:27 PM
Moonset: 12:37 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

3:58 AM - 6:28 AM
4:57 PM - 7:27 PM

Minor Periods

8:44 AM - 10:14 AM
12:07 AM - 1:37 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Partly Cloudy
74.3°F
57.2°F
65.8°F
79%
0 in
0%
0%
18.6 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 4.15 μg/m3
PM10: 4.76 μg/m3
Carbon Monoxide: 164.53 μg/m3
Nitrogen Dioxide: 4.76 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 69.4 μg/m3

Astronomical

Sunrise: 6:23 AM
Sun Transit: 1:11 PM
Sunset: 8:01 PM
Daylight: 13 hrs 39 mins
Moonrise: 10:25 AM
Moon Transit: 6:30 PM
Moonset: 1:37 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

5:02 AM - 7:32 AM
6:00 PM - 8:30 PM

Minor Periods

9:55 AM - 11:25 AM
1:07 AM - 2:37 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Moderate rain
66.8°F
61.2°F
64.5°F
86%
0.45 in
87%
0%
19.7 mph
2.7


Air Quality

AQI: 1 - Good
PM2.5: 3.11 μg/m3
PM10: 3.21 μg/m3
Carbon Monoxide: 152.35 μg/m3
Nitrogen Dioxide: 2.86 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 77.92 μg/m3

Astronomical

Sunrise: 6:21 AM
Sun Transit: 1:11 PM
Sunset: 8:02 PM
Daylight: 13 hrs 41 mins
Moonrise: 11:40 AM
Moon Transit: 7:27 PM
Moonset: 2:26 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

6:02 AM - 8:32 AM
6:57 PM - 9:27 PM

Minor Periods

11:10 AM - 12:40 AM
1:56 AM - 3:26 AM

Action Rating: 3 out of 5

Friday, April 24, 2026

Weather Forecast

Patchy rain nearby
59.9°F
45°F
55.4°F
72%
0.12 in
88%
0%
19 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 2.5 μg/m3
PM10: 2.61 μg/m3
Carbon Monoxide: 159.43 μg/m3
Nitrogen Dioxide: 3.2 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 6:20 AM
Sun Transit: 1:11 PM
Sunset: 8:04 PM
Daylight: 13 hrs 44 mins
Moonrise: 12:55 AM
Moon Transit: 8:20 PM
Moonset: 3:03 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

6:57 AM - 9:27 AM
7:50 PM - 10:20 PM

Minor Periods

12:25 AM - 1:55 PM
2:33 AM - 4:03 AM

Action Rating: 3 out of 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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