Water Temperature of the Mississippi River in New Boston, IL

Current Water Temperature

32.0°F

Measurement Time: Tuesday, December 9, 2025, 9:10 AM CST

Temperature Locations

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Local Points of Interest

Wapello, IA; Port Louisa National Wildlife Refuge

Mississippi River

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

Elevation Above Sea Level: 538 feet

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

79°F
Sunny
Sunny
81%
SW 5 mph
73°F

Weather Forecast

Sunny
Today
95°F - Sunny
Partly Cloudy
Tonight
74°F - Partly Cloudy
Sunny
Saturday
93°F - Sunny
Mostly Clear
Saturday Night
69°F - Mostly Clear
Mostly Sunny
Sunday
87°F - Mostly Sunny
Partly Cloudy
Sunday Night
67°F - Partly Cloudy
Mostly Sunny
Labor Day
87°F - Mostly Sunny
Partly Cloudy
Monday Night
68°F - Partly Cloudy
Mostly Sunny
Tuesday
93°F - Mostly Sunny
Partly Cloudy then Chance Showers And Thunderstorms
Tuesday Night
75°F - Partly Cloudy then Chance Showers And Thunderstorms
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Wednesday
92°F - Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Wednesday Night
70°F - Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Thursday
87°F - Chance Showers And Thunderstorms
Partly Cloudy then Slight Chance Rain Showers
Thursday Night
63°F - Partly Cloudy then Slight Chance Rain Showers

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:03 PM
Sunset: 7:32 PM
Daylight: 12 hrs 57 mins
Moonrise: 11:50 PM
Moon Transit: 6:58 AM
Moonset: 3:09 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:28 AM - 8:58 AM
6:51 PM - 9:21 PM

Minor Periods

12:00 AM - 12:00 AM
2:39 PM - 4:09 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:03 PM
Sunset: 7:32 PM
Daylight: 12 hrs 57 mins
Moonrise: 11:50 PM
Moon Transit: 6:58 AM
Moonset: 3:09 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:28 AM - 8:58 AM
6:51 PM - 9:21 PM

Minor Periods

12:00 AM - 12:00 AM
2:39 PM - 4:09 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:34 AM
Sun Transit: 1:03 PM
Sunset: 7:32 PM
Daylight: 12 hrs 57 mins
Moonrise: 11:50 PM
Moon Transit: 6:58 AM
Moonset: 3:09 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:28 AM - 8:58 AM
6:51 PM - 9:21 PM

Minor Periods

12:00 AM - 12:00 AM
2:39 PM - 4:09 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:02 PM
Sunset: 7:30 PM
Daylight: 12 hrs 55 mins
Moonrise: 12:50 AM
Moon Transit: 8:01 AM
Moonset: 4:11 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:31 AM - 10:01 AM
7:54 PM - 10:24 PM

Minor Periods

3:41 PM - 5:11 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 1:02 PM
Sunset: 7:30 PM
Daylight: 12 hrs 55 mins
Moonrise: 12:50 AM
Moon Transit: 8:01 AM
Moonset: 4:11 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:31 AM - 10:01 AM
7:54 PM - 10:24 PM

Minor Periods

3:41 PM - 5:11 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:02 PM
Sunset: 7:28 PM
Daylight: 12 hrs 52 mins
Moonrise: 12:58 AM
Moon Transit: 9:04 AM
Moonset: 5:02 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
8:55 PM - 11:25 PM

Minor Periods

4:32 PM - 6:02 PM
12:28 AM - 1:58 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:02 PM
Sunset: 7:28 PM
Daylight: 12 hrs 52 mins
Moonrise: 12:58 AM
Moon Transit: 9:04 AM
Moonset: 5:02 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
8:55 PM - 11:25 PM

Minor Periods

4:32 PM - 6:02 PM
12:28 AM - 1:58 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:02 PM
Sunset: 7:27 PM
Daylight: 12 hrs 49 mins
Moonrise: 2:13 AM
Moon Transit: 10:03 AM
Moonset: 5:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:33 AM - 12:03 AM

Minor Periods

5:12 PM - 6:42 PM
1:43 AM - 3:13 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:02 PM
Sunset: 7:27 PM
Daylight: 12 hrs 49 mins
Moonrise: 2:13 AM
Moon Transit: 10:03 AM
Moonset: 5:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:33 AM - 12:03 AM

Minor Periods

5:12 PM - 6:42 PM
1:43 AM - 3:13 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:01 PM
Sunset: 7:25 PM
Daylight: 12 hrs 47 mins
Moonrise: 3:31 AM
Moon Transit: 11:00 AM
Moonset: 6:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:30 AM - 1:00 PM

Minor Periods

5:45 PM - 7:15 PM
3:01 AM - 4:31 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:01 PM
Sunset: 7:25 PM
Daylight: 12 hrs 47 mins
Moonrise: 3:31 AM
Moon Transit: 11:00 AM
Moonset: 6:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:30 AM - 1:00 PM

Minor Periods

5:45 PM - 7:15 PM
3:01 AM - 4:31 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:01 PM
Sunset: 7:23 PM
Daylight: 12 hrs 44 mins
Moonrise: 4:48 AM
Moon Transit: 11:51 AM
Moonset: 6:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:21 AM - 1:51 PM

Minor Periods

6:12 PM - 7:42 PM
4:18 AM - 5:48 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 1:01 PM
Sunset: 7:23 PM
Daylight: 12 hrs 44 mins
Moonrise: 4:48 AM
Moon Transit: 11:51 AM
Moonset: 6:42 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:21 AM - 1:51 PM

Minor Periods

6:12 PM - 7:42 PM
4:18 AM - 5:48 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:01 PM
Sunset: 7:21 PM
Daylight: 12 hrs 41 mins
Moonrise: 6:02 AM
Moon Transit: 12:39 AM
Moonset: 7:05 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

6:35 PM - 8:05 PM
5:32 AM - 7:02 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 1:01 PM
Sunset: 7:21 PM
Daylight: 12 hrs 41 mins
Moonrise: 6:02 AM
Moon Transit: 12:39 AM
Moonset: 7:05 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:09 AM - 2:39 PM

Minor Periods

6:35 PM - 8:05 PM
5:32 AM - 7:02 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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