Water Temperature of the Mississippi River in Alton, IL

Current Water Temperature

32.0°F

Measurement Time: Sunday, January 25, 2026, 9:00 AM CST

Temperature Locations

View Nearby Locations     View All Illinois Locations     View Locations Near Me

Local Points of Interest

Maple Island; St. Louis, MO; Wood River, IL; Edward "Ted" and Pat Jones-Confluence Point State Park

Mississippi River

Station Name: Alton 2SE - Melvin Price L&D
Data Source: USGS

Elevation Above Sea Level: 407 feet

Nearest Address:
Lock and Dam Way
Alton, IL 62002
Madison County

GPS Coordinates: 38.8664, -90.1464

Nearby Water Temperatures

Missouri River, St Charles, MO (18.4 mi)
Mississippi River, Cap Au Gris, MO (30.6 mi)
Missouri River, Labadle, MO (42.7 mi)
Mississippi River, Clarksville, MO (53.7 mi)
Illinois River, Florence, IL (58.4 mi)
Sugar Creek, Chatham, IL (60.7 mi)
Lick Creek, Springfield, IL (63.3 mi)
Big River, Bonne Terre, MO (66.4 mi)
Missouri River, Hermann, MO (70.4 mi)
Illinois River, La Grange, IL (77 mi)
Mississippi River, Saverton, MO (79.4 mi)
Huzzah Creek, Butts, MO (84.1 mi)
East Fork Black River, Lesterville, MO (98.3 mi)
Mississippi River, Quincy, IL (99.1 mi)
Mason Tazewell Drainage Ditch, Topeka, IL (101.6 mi)

Weather for Alton, Illinois

Current Weather

40.1°F
Overcast
Overcast
34.5°F
42.1°F
46%
ENE 8.3 mph
11.9 mph
36.9°F
30.2°F
0 in
100%
9 mi
1010 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 60°F
L: 36°F
Sunny
Fri
H: 67°F
L: 35°F
Sunny
Sat
H: 64°F
L: 35°F
Moderate rain
Sun
H: 40°F
L: 28°F
Light freezing rain
Mon
H: 33°F
L: 23°F

Air Quality

AQI: 1 - Good
PM2.5: 10.15 μg/m3
PM10: 10.55 μg/m3
Carbon Monoxide: 218.85 μg/m3
Nitrogen Dioxide: 8.15 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 57 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:13 AM
Sunset: 5:50 PM
Daylight: 11 hrs 13 mins
Moonrise: 12:30 AM
Moon Transit: 8:28 PM
Moonset: 3:28 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

7:26 AM - 9:56 AM
7:58 PM - 10:28 PM

Minor Periods

12:00 AM - 1:30 PM
2:58 AM - 4:28 AM

Action Rating: 2 out of 5

Thursday, February 26, 2026

Weather Forecast

Sunny
60.4°F
35.8°F
46.1°F
59%
0 in
0%
0%
11 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 9.89 μg/m3
PM10: 10.46 μg/m3
Carbon Monoxide: 230.81 μg/m3
Nitrogen Dioxide: 13.23 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 63.32 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 12:13 AM
Sunset: 5:50 PM
Daylight: 11 hrs 13 mins
Moonrise: 12:30 AM
Moon Transit: 8:28 PM
Moonset: 3:28 AM
Moon Phase: First Quarter
Moon Illumination: 72.9%

Best Times for Fishing or Hunting

Major Periods

7:26 AM - 9:56 AM
7:58 PM - 10:28 PM

Minor Periods

12:00 AM - 1:30 PM
2:58 AM - 4:28 AM

Action Rating: 2 out of 5

Friday, February 27, 2026

Weather Forecast

Sunny
66.9°F
34.5°F
49.9°F
65%
0 in
0%
0%
13.2 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 12.73 μg/m3
PM10: 13.15 μg/m3
Carbon Monoxide: 314.45 μg/m3
Nitrogen Dioxide: 20.89 μg/m3
Sulphur Dioxide: 4.29 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 12:13 AM
Sunset: 5:51 PM
Daylight: 11 hrs 15 mins
Moonrise: 1:41 PM
Moon Transit: 9:28 PM
Moonset: 4:22 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.3%

Best Times for Fishing or Hunting

Major Periods

8:27 AM - 10:57 AM
8:58 PM - 11:28 PM

Minor Periods

1:11 PM - 2:41 PM
3:52 AM - 5:22 AM

Action Rating: 2 out of 5

Saturday, February 28, 2026

Weather Forecast

Sunny
64°F
34.5°F
49°F
65%
0 in
0%
0%
17.2 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 5.41 μg/m3
PM10: 5.71 μg/m3
Carbon Monoxide: 196.33 μg/m3
Nitrogen Dioxide: 12.13 μg/m3
Sulphur Dioxide: 3 μg/m3
Ozone: 62.52 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 12:13 AM
Sunset: 5:52 PM
Daylight: 11 hrs 18 mins
Moonrise: 2:56 PM
Moon Transit: 10:23 PM
Moonset: 5:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.1%

Best Times for Fishing or Hunting

Major Periods

9:25 AM - 11:55 AM
12:00 AM - 12:00 AM

Minor Periods

2:26 PM - 3:56 PM
4:35 AM - 6:05 AM

Action Rating: 3 out of 5

Sunday, March 1, 2026

Weather Forecast

Moderate rain
40.4°F
27.7°F
34.9°F
74%
0.42 in
74%
33%
18.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 4.88 μg/m3
PM10: 5.14 μg/m3
Carbon Monoxide: 196.65 μg/m3
Nitrogen Dioxide: 8.38 μg/m3
Sulphur Dioxide: 3.64 μg/m3
Ozone: 70.16 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 12:12 AM
Sunset: 5:53 PM
Daylight: 11 hrs 20 mins
Moonrise: 4:09 PM
Moon Transit: 11:14 PM
Moonset: 5:39 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.8%

Best Times for Fishing or Hunting

Major Periods

10:18 AM - 12:48 AM
12:00 AM - 12:00 AM

Minor Periods

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

Action Rating: 3 out of 5

Monday, March 2, 2026

Weather Forecast

Light freezing rain
33.3°F
23.2°F
28.8°F
92%
0.28 in
63%
42%
17.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.51 μg/m3
PM10: 7.14 μg/m3
Carbon Monoxide: 200.41 μg/m3
Nitrogen Dioxide: 7.07 μg/m3
Sulphur Dioxide: 3.3 μg/m3
Ozone: 64.31 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 12:12 AM
Sunset: 5:55 PM
Daylight: 11 hrs 23 mins
Moonrise: 5:19 PM
Moon Transit: 12:00 AM
Moonset: 6:08 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:07 AM - 1:37 PM

Minor Periods

4:49 PM - 6:19 PM
5:38 AM - 7:08 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.

Webcams Near Alton, IL

Sponsored Content