Water Temperature of the Mississippi River in Clayton, IA

Current Water Temperature

35.8°F

Measurement Time: Sunday, January 21, 2024, 8:45 AM CST

Temperature Locations

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Local Points of Interest

Clayton, IA; Bagley, WI

Mississippi River

Station Name: Clayton (Pool 10 CP)
Data Source: USGS

Elevation Above Sea Level: 627 feet

Nearest Address:
279 1st St
Clayton, IA 52049
Clayton County

GPS Coordinates: 42.9033, -91.1456

Nearby Water Temperatures

Mississippi River, Guttenberg, IA (8.5 mi)
Turkey River, Garber, IA (12.7 mi)
Mississippi River, Lynxville, WI (21.4 mi)
Mississippi River, Dubuque, IA (35.7 mi)
Wisconsin River, Muscoda, WI (40.9 mi)
Kickapoo River, Readstown, WI (42.3 mi)
Mississippi River, Genoa, WI (46.3 mi)
North Fork Maquoketa River, Maquoketa, IA (55.3 mi)
Mississippi River, Bellevue, IA (57.6 mi)
Cedar River, Palo, IA (66.2 mi)
Lake Onalaska, La Crescent, MN (67 mi)
Cedar River, Waverly, IA (68.1 mi)
Morgan Creek, Cedar Rapids, IA (70.5 mi)
South Branch Root River, Carimona, MN (72.9 mi)
Black Earth Creek, Black Earth, WI (73.2 mi)

Weather for Clayton, Iowa

Current Weather

60.3°F
Clear
Clear
60.3°F
61°F
93%
S 4.5 mph
9.4 mph
61°F
50.2°F
0 in
0%
9 mi
1021 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 77°F
L: 60°F
Overcast
Sat
H: 83°F
L: 63°F
Thundery outbreaks in nearby
Sun
H: 93°F
L: 70°F
Sunny
Mon
H: 90°F
L: 66°F
Sunny
Tue
H: 92°F
L: 72°F

Air Quality

AQI: 1 - Good
PM2.5: 2.5 μg/m3
PM10: 2.6 μg/m3
Carbon Monoxide: 125 μg/m3
Nitrogen Dioxide: 10.6 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 48 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:11 PM
Sunset: 8:34 PM
Daylight: 14 hrs 47 mins
Moonrise: 5:20 PM
Moon Transit: 9:34 PM
Moonset: 1:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
9:04 PM - 11:34 PM

Minor Periods

4:50 PM - 6:20 PM
12:36 AM - 2:06 AM

Action Rating: 3 out of 5

Extreme Heat Watch issued July 24 at 2:51AM CDT until July 27 at 9:00PM CDT by NWS La Crosse WI

Effective: Fri July 24, 2026, 2:51 AM
Expires: Fri July 24, 2026, 1:00 PM

* WHAT...Dangerously hot conditions with heat index values of 105 possible. * WHERE...Floyd, Chickasaw, Clayton, Fayette, and Winneshiek Counties. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Extreme Heat Watch issued July 24 at 1:38AM CDT until July 27 at 10:00PM CDT by NWS Quad Cities IA IL

Effective: Fri July 24, 2026, 1:38 AM
Expires: Fri July 24, 2026, 9:45 AM

* WHAT...Dangerously hot conditions with heat index values up to 106 possible. Little relief will be seen Sunday night with low temperatures of 75 to 80. * WHERE...Portions of northwest and west central Illinois, east central, northeast, and southeast Iowa, and northeast Missouri. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Friday, July 24, 2026

Weather Forecast

Sunny
77.2°F
60.4°F
67.6°F
69%
0 in
9%
0%
10.3 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 2.91 μg/m3
PM10: 3.03 μg/m3
Carbon Monoxide: 127 μg/m3
Nitrogen Dioxide: 4.95 μg/m3
Sulphur Dioxide: 0.74 μg/m3
Ozone: 73.67 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:11 PM
Sunset: 8:34 PM
Daylight: 14 hrs 47 mins
Moonrise: 5:20 PM
Moon Transit: 9:34 PM
Moonset: 1:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

8:30 AM - 11:00 AM
9:04 PM - 11:34 PM

Minor Periods

4:50 PM - 6:20 PM
12:36 AM - 2:06 AM

Action Rating: 3 out of 5

Saturday, July 25, 2026

Weather Forecast

Overcast
83.2°F
62.7°F
72.7°F
88%
0 in
30%
0%
11.2 mph
6.5


Air Quality

AQI: 1 - Good
PM2.5: 3.92 μg/m3
PM10: 4.43 μg/m3
Carbon Monoxide: 137.83 μg/m3
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 71.38 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:11 PM
Sunset: 8:33 PM
Daylight: 14 hrs 45 mins
Moonrise: 6:17 PM
Moon Transit: 10:26 PM
Moonset: 1:46 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

9:20 AM - 11:50 AM
12:00 AM - 12:00 AM

Minor Periods

5:47 PM - 7:17 PM
1:16 AM - 2:46 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Thundery outbreaks in nearby
92.5°F
69.8°F
80.4°F
85%
0.43 in
80%
0%
11.4 mph
8.6


Air Quality

AQI: 1 - Good
PM2.5: 5 μg/m3
PM10: 5.37 μg/m3
Carbon Monoxide: 143.96 μg/m3
Nitrogen Dioxide: 5.36 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 82.54 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:11 PM
Sunset: 8:32 PM
Daylight: 14 hrs 43 mins
Moonrise: 7:06 PM
Moon Transit: 11:17 PM
Moonset: 2:35 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

10:12 AM - 12:42 AM
12:00 AM - 12:00 AM

Minor Periods

6:36 PM - 8:06 PM
2:05 AM - 3:35 AM

Action Rating: 3 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
89.7°F
65.8°F
78.5°F
80%
0.02 in
36%
0%
8.9 mph
9.4


Air Quality

AQI: 1 - Good
PM2.5: 3.92 μg/m3
PM10: 4.48 μg/m3
Carbon Monoxide: 140.67 μg/m3
Nitrogen Dioxide: 3.73 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 76.75 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:11 PM
Sunset: 8:31 PM
Daylight: 14 hrs 41 mins
Moonrise: 7:47 PM
Moon Transit: 12:00 AM
Moonset: 3:31 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:03 AM - 1:33 PM

Minor Periods

7:17 PM - 8:47 PM
3:01 AM - 4:31 AM

Action Rating: 3 out of 5

Tuesday, July 28, 2026

Weather Forecast

Sunny
92.1°F
72°F
80.4°F
76%
0 in
8%
0%
11.6 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 3.26 μg/m3
PM10: 3.34 μg/m3
Carbon Monoxide: 167.75 μg/m3
Nitrogen Dioxide: 5.86 μg/m3
Sulphur Dioxide: 0.71 μg/m3
Ozone: 63.88 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 1:11 PM
Sunset: 8:30 PM
Daylight: 14 hrs 38 mins
Moonrise: 8:21 PM
Moon Transit: 12:08 AM
Moonset: 4:34 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:53 AM - 2:23 PM

Minor Periods

7:51 PM - 9:21 PM
4:04 AM - 5:34 AM

Action Rating: 4 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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