Water Temperature of the Mississippi River in Alton, IL
Current Water Temperature
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 ParkSponsored Content
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

Humidity: 100%
Feels Like: 68.5°F
Wind: NW 2.5 mph
Wind Gusts: 4.7 mph
Precipitation: 0.31 in
Cloud Cover: 100%
Visibility: 3 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 84°F
L: 70°F

Thu
H: 78°F
L: 62°F

Fri
H: 79°F
L: 70°F

Sat
H: 78°F
L: 68°F

Sun
H: 81°F
L: 64°F
Air Quality
Nitrogen Dioxide: 50.14 μg/m3
Sulphur Dioxide: 4.81 μg/m3
Ozone: 36 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:23 PM
Daylight: 14 hrs 47 mins
Moon Transit: 8:25 PM
Moonset: 1:59 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
7:34 AM - 10:04 AM7:55 PM - 10:25 PM
Minor Periods
1:53 PM - 3:23 PM1:29 AM - 2:59 AM
Action Rating: 3 out of 5
Flood Warning issued June 4 at 9:42AM CDT until June 6 at 4:00PM CDT by NWS St Louis MO
Effective: Wed June 4, 2025, 9:42 AM
Expires: Thu June 5, 2025, 9:45 PM
...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Missouri... Cuivre River near Troy. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is forecast. * WHERE...Cuivre River near Troy. * WHEN...From this afternoon to Friday afternoon. * IMPACTS...At 23.0 feet, Considerable agricultural land is flooded between Troy and Moscow Mills. * ADDITIONAL DETAILS... - At 9:30 AM CDT Wednesday the stage was 18.8 feet. - Forecast...The river will rise above flood stage late this afternoon to 23.0 feet just after midnight tonight. It will then fall below flood stage late tomorrow morning to 6.9 feet Tuesday morning. It will rise to 7.0 feet early Tuesday afternoon. It will then fall again and remain below flood stage. - Flood stage is 21.0 feet.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Rainfall heavier than forecast could cause river levels to rise even higher than predicted. The National Weather Service will monitor this developing situation and issue follow up statements as conditions change. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx
Weather Forecast
Average Temperature: 75.1°F
Average Humidity: 83%
Wind: 14.1 mph
UV Index: 1.1
Air Quality
Nitrogen Dioxide: 11.52 μg/m3
Sulphur Dioxide: 3.5 μg/m3
Ozone: 101.8 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:23 PM
Daylight: 14 hrs 47 mins
Moon Transit: 8:25 PM
Moonset: 1:59 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%
Best Times for Fishing or Hunting
Major Periods
7:34 AM - 10:04 AM7:55 PM - 10:25 PM
Minor Periods
1:53 PM - 3:23 PM1:29 AM - 2:59 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 69.8°F
Average Humidity: 91%
Wind: 6.3 mph
UV Index: 1.4
Air Quality
Nitrogen Dioxide: 26.26 μg/m3
Sulphur Dioxide: 3.78 μg/m3
Ozone: 65.88 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:23 PM
Daylight: 14 hrs 48 mins
Moon Transit: 9:04 PM
Moonset: 2:19 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%
Best Times for Fishing or Hunting
Major Periods
8:13 AM - 10:43 AM8:34 PM - 11:04 PM
Minor Periods
2:51 PM - 4:21 PM1:49 AM - 3:19 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 73.4°F
Average Humidity: 91%
Wind: 7.4 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 28.29 μg/m3
Sulphur Dioxide: 5.51 μg/m3
Ozone: 78.12 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 48 mins
Moon Transit: 9:45 PM
Moonset: 2:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%
Best Times for Fishing or Hunting
Major Periods
8:53 AM - 11:23 AM9:15 PM - 11:45 PM
Minor Periods
3:51 PM - 5:21 PM2:10 AM - 3:40 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 71.5°F
Average Humidity: 89%
Wind: 9.6 mph
UV Index: 2
Air Quality
Nitrogen Dioxide: 22.17 μg/m3
Sulphur Dioxide: 3.69 μg/m3
Ozone: 85.24 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:24 PM
Daylight: 14 hrs 49 mins
Moon Transit: 10:28 PM
Moonset: 3:02 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%
Best Times for Fishing or Hunting
Major Periods
9:35 AM - 12:05 AM12:00 AM - 12:00 AM
Minor Periods
4:51 PM - 6:21 PM2:32 AM - 4:02 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 71°F
Average Humidity: 71%
Wind: 15.7 mph
UV Index: 2.2
Air Quality
Nitrogen Dioxide: 67.53 μg/m3
Sulphur Dioxide: 6.66 μg/m3
Ozone: 55.38 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 8:25 PM
Daylight: 14 hrs 50 mins
Moon Transit: 11:13 PM
Moonset: 3:28 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%
Best Times for Fishing or Hunting
Major Periods
10:19 AM - 12:49 AM12:00 AM - 12:00 AM
Minor Periods
5:53 PM - 7:23 PM2:58 AM - 4:28 AM
Action Rating: 2 out of 5