Water Temperature of the Mississippi River in New Boston, IL

Current Water Temperature

51.0°F

Measurement Time: Monday, November 3, 2025, 9:10 AM CST

Temperature Locations

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Local Points of Interest

Wapello, IA; Port Louisa National Wildlife Refuge

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Mississippi River

Station Name: New Boston 4NW - L&D 17
Data Source: USGS

Elevation Above Sea Level: 538 feet / 164 meters

Nearest Address:
100 Lock and Dam Rd
New Boston, IL 61272
Mercer County

GPS Coordinates: 41.1925, -91.0578

Nearby Water Temperatures

Mississippi River, Illinois City, IL (16.3 mi)
Mississippi River, Gladstone, IL (21.6 mi)
Mississippi River, Rock Island, IL (34.1 mi)
Mississippi River, Le Claire, IA (43.1 mi)
Mississippi River, Keokuk, IA (57.6 mi)
Mississippi River, Camanche, IA (58.2 mi)
Beaver Slough, Clinton, IA (62.7 mi)
Morgan Creek, Cedar Rapids, IA (65.9 mi)
Mississippi River, Fulton, IL (67.3 mi)
Mississippi River, Fulton, IL (67.5 mi)
North Fork Maquoketa River, Maquoketa, IA (69.3 mi)
Cedar River, Palo, IA (71.3 mi)
Des Moines River, Ottumwa, IA (71.6 mi)
Mississippi River, Canton, MO (76.3 mi)
Mississippi River, Bellevue, IA (80.8 mi)

Weather for New Boston, Illinois

Current Weather

39.7°F
Mist
Conditions: Mist
Humidity: 87%
Feels Like: 35.2°F
Wind: S 6.3 mph
Wind Gusts: 13.2 mph
Pressure: 30.27 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Tue
H: 72°F
L: 37°F
Overcast
Wed
H: 65°F
L: 44°F
Partly Cloudy
Thu
H: 58°F
L: 34°F
Patchy rain nearby
Fri
H: 63°F
L: 42°F
Patchy rain nearby
Sat
H: 53°F
L: 38°F

Air Quality

AQI: 1 - Good
PM2.5: 4.35 μg/m3
PM10: 5.05 μg/m3
Carbon Monoxide: 166.85 μg/m3
Nitrogen Dioxide: 8.15 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 11:47 AM
Sunset: 4:56 PM
Daylight: 10 hrs 16 mins
Moonrise: 4:09 PM
Moon Transit: 11:23 PM
Moonset: 5:31 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

10:16 AM - 12:46 AM
12:00 AM - 12:00 AM

Minor Periods

3:39 PM - 5:09 PM
5:01 AM - 6:31 AM

Action Rating: 5 out of 5

Tuesday, November 4, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 52°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 19 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 4.89 μg/m3
PM10: 5.36 μg/m3
Carbon Monoxide: 184.89 μg/m3
Nitrogen Dioxide: 8.26 μg/m3
Sulphur Dioxide: 2.4 μg/m3
Ozone: 57.08 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 11:47 AM
Sunset: 4:56 PM
Daylight: 10 hrs 16 mins
Moonrise: 4:09 PM
Moon Transit: 11:23 PM
Moonset: 5:31 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

10:16 AM - 12:46 AM
12:00 AM - 12:00 AM

Minor Periods

3:39 PM - 5:09 PM
5:01 AM - 6:31 AM

Action Rating: 5 out of 5

Wednesday, November 5, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 52.9°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 20.4 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 7.29 μg/m3
PM10: 7.36 μg/m3
Carbon Monoxide: 173.17 μg/m3
Nitrogen Dioxide: 5.02 μg/m3
Sulphur Dioxide: 2.93 μg/m3
Ozone: 68.24 μg/m3

Astronomical

Sunrise: 6:41 AM
Sun Transit: 11:47 AM
Sunset: 4:55 PM
Daylight: 10 hrs 14 mins
Moonrise: 4:43 PM
Moon Transit: 12:00 AM
Moonset: 6:54 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:14 AM - 1:44 PM

Minor Periods

4:13 PM - 5:43 PM
6:24 AM - 7:54 AM

Action Rating: 4 out of 5

Thursday, November 6, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 47.1°F
Average Humidity: 73%
Chance of Rain: 0%
Wind: 16.3 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 6.07 μg/m3
PM10: 6.57 μg/m3
Carbon Monoxide: 165.33 μg/m3
Nitrogen Dioxide: 11.03 μg/m3
Sulphur Dioxide: 3.45 μg/m3
Ozone: 50.36 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 11:47 AM
Sunset: 4:54 PM
Daylight: 10 hrs 11 mins
Moonrise: 5:27 PM
Moon Transit: 12:23 AM
Moonset: 8:18 AM
Moon Phase: Full
Moon Illumination: 97.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:16 AM - 2:46 PM

Minor Periods

4:57 PM - 6:27 PM
7:48 AM - 9:18 AM

Action Rating: 4 out of 5

Friday, November 7, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 54.6°F
Average Humidity: 60%
Chance of Rain: 72%
Wind: 20.1 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 6.25 μg/m3
PM10: 6.41 μg/m3
Carbon Monoxide: 166.13 μg/m3
Nitrogen Dioxide: 4.44 μg/m3
Sulphur Dioxide: 3.01 μg/m3
Ozone: 66.16 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 11:47 AM
Sunset: 4:53 PM
Daylight: 10 hrs 9 mins
Moonrise: 6:22 PM
Moon Transit: 1:28 AM
Moonset: 9:38 AM
Moon Phase: Full
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

12:58 AM - 3:28 AM
1:22 PM - 3:52 PM

Minor Periods

5:52 PM - 7:22 PM
9:08 AM - 10:38 AM

Action Rating: 3 out of 5

Saturday, November 8, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 43.8°F
Average Humidity: 68%
Chance of Rain: 89%
Wind: 15.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 5.16 μg/m3
PM10: 5.18 μg/m3
Carbon Monoxide: 176.7 μg/m3
Nitrogen Dioxide: 6.37 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 37.23 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 11:48 AM
Sunset: 4:51 PM
Daylight: 10 hrs 7 mins
Moonrise: 7:28 PM
Moon Transit: 2:34 AM
Moonset: 10:48 AM
Moon Phase: Waning Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

2:04 AM - 4:34 AM
2:28 PM - 4:58 PM

Minor Periods

6:58 PM - 8:28 PM
10:18 AM - 11:48 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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