Water Temperature of the Mississippi River in Alton, IL

Current Water Temperature

39.5°F

Measurement Time: Sunday, January 21, 2024, 9:00 AM CST

Temperature Locations

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Local Points of Interest

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

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Mississippi River

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

Elevation Above Sea Level: 407 feet / 124 meters

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 (77.0 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

55.6°F
Partly cloudy
Conditions: Partly cloudy
Humidity: 38%
Feels Like: 51.5°F
Wind: N 16.3 mph
Wind Gusts: 18.8 mph
Pressure: 30.28 in
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 3.8

Five Day Weather Forecast

Partly Cloudy
Tue
H: 60°F
L: 41°F
Sunny
Wed
H: 62°F
L: 30°F
Sunny
Thu
H: 67°F
L: 37°F
Sunny
Fri
H: 70°F
L: 36°F
Sunny
Sat
H: 72°F
L: 47°F

Air Quality

AQI: 1 - Good
PM2.5: 3.15 μg/m3
PM10: 4.63 μg/m3
Carbon Monoxide: 316.35 μg/m3
Nitrogen Dioxide: 10.73 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 63 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:46 AM
Sunset: 6:21 PM
Daylight: 11 hrs 11 mins
Moonrise: 5:26 PM
Moon Transit: 3:09 PM
Moonset: 4:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.9%

Best Times for Fishing or Hunting

Major Periods

2:39 PM - 5:09 PM
2:39 PM - 5:09 PM

Minor Periods

4:56 PM - 6:26 PM
4:17 AM - 5:47 AM

Action Rating: 3 out of 5

Frost Advisory issued October 15 at 2:52AM CDT until October 16 at 9:00AM CDT by NWS St Louis MO

Effective: Tue October 15, 2024, 2:52 AM
Expires: Tue October 15, 2024, 6:00 PM

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of south central and southwest Illinois and east central and southeast Missouri. * WHEN...From 1 AM to 9 AM CDT Wednesday. * 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 October 15 at 2:52AM CDT until October 16 at 9:00AM CDT by NWS St Louis MO

Effective: Tue October 15, 2024, 2:52 AM
Expires: Tue October 15, 2024, 6:00 PM

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of south central and southwest Illinois and east central and southeast Missouri. * WHEN...From 1 AM to 9 AM CDT Wednesday. * 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 October 15 at 2:52AM CDT until October 16 at 9:00AM CDT by NWS St Louis MO

Effective: Tue October 15, 2024, 2:52 AM
Expires: Tue October 15, 2024, 6:00 PM

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of south central and southwest Illinois and east central and southeast Missouri. * WHEN...From 1 AM to 9 AM CDT Wednesday. * 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 October 15 at 2:52AM CDT until October 16 at 9:00AM CDT by NWS St Louis MO

Effective: Tue October 15, 2024, 2:52 AM
Expires: Tue October 15, 2024, 6:00 PM

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of south central and southwest Illinois and east central and southeast Missouri. * WHEN...From 1 AM to 9 AM CDT Wednesday. * 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.
Tuesday, October 15, 2024

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 49.5°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 16.3 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 7.48 μg/m3
PM10: 11.11 μg/m3
Carbon Monoxide: 331.96 μg/m3
Nitrogen Dioxide: 11 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 56.88 μg/m3

Astronomical

Sunrise: 7:10 AM
Sun Transit: 12:46 AM
Sunset: 6:21 PM
Daylight: 11 hrs 11 mins
Moonrise: 5:26 PM
Moon Transit: 3:09 PM
Moonset: 4:47 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.9%

Best Times for Fishing or Hunting

Major Periods

2:39 PM - 5:09 PM
2:39 PM - 5:09 PM

Minor Periods

4:56 PM - 6:26 PM
4:17 AM - 5:47 AM

Action Rating: 3 out of 5

Wednesday, October 16, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 45.8°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 6.36 μg/m3
PM10: 9.21 μg/m3
Carbon Monoxide: 345.14 μg/m3
Nitrogen Dioxide: 15.27 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 53.8 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 12:46 AM
Sunset: 6:20 PM
Daylight: 11 hrs 9 mins
Moonrise: 5:53 PM
Moon Transit: 12:00 AM
Moonset: 6:04 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:33 AM - 2:03 PM

Minor Periods

5:23 PM - 6:53 PM
5:34 AM - 7:04 AM

Action Rating: 4 out of 5

Thursday, October 17, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 50.7°F
Average Humidity: 62%
Chance of Rain: 0%
Wind: 10.7 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 15.2 μg/m3
PM10: 21.87 μg/m3
Carbon Monoxide: 550.41 μg/m3
Nitrogen Dioxide: 43.67 μg/m3
Sulphur Dioxide: 5.39 μg/m3
Ozone: 49.52 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 12:45 AM
Sunset: 6:19 PM
Daylight: 11 hrs 6 mins
Moonrise: 6:23 PM
Moon Transit: 12:30 AM
Moonset: 7:21 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 2:30 AM
12:26 AM - 2:56 PM

Minor Periods

5:53 PM - 7:23 PM
6:51 AM - 8:21 AM

Action Rating: 5 out of 5

Friday, October 18, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 52.3°F
Average Humidity: 62%
Chance of Rain: 0%
Wind: 11.4 mph
UV Index: 0.9

Air Quality

AQI: 1 - Good
PM2.5: 14.98 μg/m3
PM10: 21.53 μg/m3
Carbon Monoxide: 392.27 μg/m3
Nitrogen Dioxide: 15.51 μg/m3
Sulphur Dioxide: 5.31 μg/m3
Ozone: 73 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 12:45 AM
Sunset: 6:17 PM
Daylight: 11 hrs 4 mins
Moonrise: 6:56 PM
Moon Transit: 1:24 AM
Moonset: 8:41 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:54 AM - 3:24 AM
1:21 PM - 3:51 PM

Minor Periods

6:26 PM - 7:56 PM
8:11 AM - 9:41 AM

Action Rating: 4 out of 5

Saturday, October 19, 2024

Weather Forecast

Conditions: Sunny
Average Temperature: 57.7°F
Average Humidity: 50%
Chance of Rain: 0%
Wind: 7.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 15.03 μg/m3
PM10: 21.5 μg/m3
Carbon Monoxide: 419.67 μg/m3
Nitrogen Dioxide: 21.53 μg/m3
Sulphur Dioxide: 4.21 μg/m3
Ozone: 66.31 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 12:45 AM
Sunset: 6:16 PM
Daylight: 11 hrs 1 mins
Moonrise: 7:36 PM
Moon Transit: 2:22 AM
Moonset: 10:01 AM
Moon Phase: Full
Moon Illumination: 93.9%

Best Times for Fishing or Hunting

Major Periods

1:52 AM - 4:22 AM
2:20 PM - 4:50 PM

Minor Periods

7:06 PM - 8:36 PM
9:31 AM - 11:01 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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