Water Temperature of the Mississippi River in Cap Au Gris, MO

Current Water Temperature

32.0°F

Measurement Time: Tuesday, January 20, 2026, 5:00 AM CST

Temperature Locations

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Local Points of Interest

Winfield, MO; Foley, MO; Batchtown, IL; Sandy Island Conversation Area

Mississippi River

Station Name: Cap Au Gris (Winfield) L&D 25
Data Source: USGS

Elevation Above Sea Level: 436 feet

Nearest Address:
Cap Au Gris, MO 62006
Lincoln County

GPS Coordinates: 39.0031, -90.6886

Nearby Water Temperatures

Missouri River, St Charles, MO (19 mi)
Mississippi River, Clarksville, MO (28.1 mi)
Mississippi River, Alton, IL (30.6 mi)
Missouri River, Labadle, MO (31.3 mi)
Illinois River, Florence, IL (43.7 mi)
Missouri River, Hermann, MO (45.1 mi)
Mississippi River, Saverton, MO (53 mi)
Illinois River, La Grange, IL (65.3 mi)
Sugar Creek, Chatham, IL (71.3 mi)
Big River, Bonne Terre, MO (71.9 mi)
Lick Creek, Springfield, IL (72.1 mi)
Mississippi River, Quincy, IL (73.7 mi)
Huzzah Creek, Butts, MO (76.3 mi)
Missouri River, Jefferson City, MO (85.2 mi)
Mississippi River, Canton, MO (90.3 mi)

Weather for Cap Au Gris, Missouri

Current Weather

73.9°F
Overcast
Overcast
78.2°F
77.4°F
94%
ESE 3.4 mph
6.7 mph
73.1°F
71.3°F
0 in
100%
9 mi
1012 mbar
0

Five Day Weather Forecast

Moderate rain
Fri
H: 79°F
L: 69°F
Patchy rain nearby
Sat
H: 85°F
L: 72°F
Patchy rain nearby
Sun
H: 93°F
L: 71°F
Sunny
Mon
H: 95°F
L: 73°F
Sunny
Tue
H: 95°F
L: 73°F

Air Quality

AQI: 2 - Moderate
PM2.5: 4.5 μg/m3
PM10: 4.9 μg/m3
Carbon Monoxide: 145 μg/m3
Nitrogen Dioxide: 7.3 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 45 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:05 PM
Sunset: 8:33 PM
Daylight: 14 hrs 54 mins
Moonrise: 6:11 PM
Moon Transit: 10:47 PM
Moonset: 2:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

9:47 AM - 12:17 AM
12:00 AM - 12:00 AM

Minor Periods

5:41 PM - 7:11 PM
2:14 AM - 3:44 AM

Action Rating: 2 out of 5

Flood Warning issued June 25 at 8:55PM CDT by NWS St Louis MO

Effective: Thu June 25, 2026, 8:55 PM
Expires: Sat June 27, 2026, 9:00 AM

...The Flood Warning continues for the Illinois river at the following locations... Illinois River at Meredosia. Illinois River at La Grange LD. Illinois River at Valley City. Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 8:30 PM CDT Thursday the stage was 26.9 feet. - Forecast...The river is expected to rise to a crest of 27.0 feet just after midnight tonight. - Flood stage is 25.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx


Flood Warning issued June 26 at 11:07AM CDT by NWS St Louis MO

Effective: Fri June 26, 2026, 11:07 AM
Expires: Sat June 27, 2026, 11:15 PM

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Meredosia. Illinois River at La Grange LD. Illinois River at Valley City. Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...Until further notice. * ADDITIONAL DETAILS... - At 10:30 AM CDT Friday the stage was 26.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 10:30 AM CDT Friday was 27.0 feet. - Forecast...The river is expected to rise to a crest of 27.0 feet this afternoon. - Flood stage is 25.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx


Flood Warning issued June 26 at 8:59PM CDT by NWS St Louis MO

Effective: Fri June 26, 2026, 8:59 PM
Expires: Sun June 28, 2026, 9:00 AM

...The Flood Warning continues for the Illinois river at the following locations... Illinois River at Meredosia. Illinois River at La Grange LD. Illinois River at Valley City. Illinois River at Hardin. River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Illinois River at Hardin. * WHEN...Until further notice. * IMPACTS...At 25.0 feet, Flood Stage. Lowland flooding of unprotected agricultural land begins. * ADDITIONAL DETAILS... - At 8:30 PM CDT Friday the stage was 26.9 feet. - Forecast...The river is expected to fall to 25.4 feet Friday, July 03. - Flood stage is 25.0 feet.

Motorists should not attempt to drive around barricades or drive cars through flooded areas. This product, along with additional weather and stream information, is available at https://water.noaa.gov/wfo/lsx


Flood Watch issued June 26 at 1:49PM CDT until June 26 at 7:00PM CDT by NWS St Louis MO

Effective: Fri June 26, 2026, 1:49 PM
Expires: Fri June 26, 2026, 7:00 PM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Calhoun IL, Greene IL, Jersey IL, Macoupin IL, Montgomery IL and Pike IL and Missouri, including the following areas, Audrain MO, Boone MO, Callaway MO, Cole MO, Franklin MO, Gasconade MO, Lincoln MO, Moniteau MO, Montgomery MO, Osage MO, Pike MO, Saint Charles MO, Saint Louis City MO, Saint Louis MO and Warren MO. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Thunderstorms capable of producing heavy rain rates on top of already saturated ground may result in flash flooding. - Some locations that may experience flooding include... St. Louis, Columbia, O'Fallon, St. Charles, St. Peters, Florissant, Chesterfield, Jefferson City, Wildwood, University City, Ballwin, Wentzville, Kirkwood, Maryland Heights, Hazelwood, Webster Groves and Ferguson.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Friday, June 26, 2026

Weather Forecast

Moderate rain
78.6°F
68.9°F
72.9°F
90%
0.43 in
90%
0%
7.2 mph
2.5


Air Quality

AQI: 1 - Good
PM2.5: 4.24 μg/m3
PM10: 4.84 μg/m3
Carbon Monoxide: 129.21 μg/m3
Nitrogen Dioxide: 4.85 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 68.17 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:05 PM
Sunset: 8:33 PM
Daylight: 14 hrs 54 mins
Moonrise: 6:11 PM
Moon Transit: 10:47 PM
Moonset: 2:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 89.2%

Best Times for Fishing or Hunting

Major Periods

9:47 AM - 12:17 AM
12:00 AM - 12:00 AM

Minor Periods

5:41 PM - 7:11 PM
2:14 AM - 3:44 AM

Action Rating: 2 out of 5

Saturday, June 27, 2026

Weather Forecast

Patchy rain nearby
84.8°F
71.6°F
77.1°F
87%
0.13 in
79%
0%
6 mph
6.7


Air Quality

AQI: 1 - Good
PM2.5: 3.67 μg/m3
PM10: 3.89 μg/m3
Carbon Monoxide: 137.92 μg/m3
Nitrogen Dioxide: 5.66 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 61.88 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:05 PM
Sunset: 8:33 PM
Daylight: 14 hrs 54 mins
Moonrise: 7:09 PM
Moon Transit: 11:38 PM
Moonset: 3:21 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 95.2%

Best Times for Fishing or Hunting

Major Periods

10:36 AM - 1:06 PM
12:00 AM - 12:00 AM

Minor Periods

6:39 PM - 8:09 PM
2:51 AM - 4:21 AM

Action Rating: 3 out of 5

Sunday, June 28, 2026

Weather Forecast

Patchy rain nearby
92.9°F
71.4°F
80.8°F
78%
0.19 in
68%
0%
12.1 mph
10.6


Air Quality

AQI: 1 - Good
PM2.5: 9.88 μg/m3
PM10: 11.16 μg/m3
Carbon Monoxide: 125.13 μg/m3
Nitrogen Dioxide: 7.36 μg/m3
Sulphur Dioxide: 2.84 μg/m3
Ozone: 68.63 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 1:06 PM
Sunset: 8:33 PM
Daylight: 14 hrs 54 mins
Moonrise: 8:03 PM
Moon Transit: 12:00 AM
Moonset: 4:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:27 AM - 1:57 PM

Minor Periods

7:33 PM - 9:03 PM
3:35 AM - 5:05 AM

Action Rating: 2 out of 5

Monday, June 29, 2026

Weather Forecast

Sunny
94.9°F
73.4°F
83.1°F
68%
0 in
5%
0%
12.1 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 9.5 μg/m3
PM10: 11.03 μg/m3
Carbon Monoxide: 118.79 μg/m3
Nitrogen Dioxide: 3.7 μg/m3
Sulphur Dioxide: 2.58 μg/m3
Ozone: 70.88 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:06 PM
Sunset: 8:33 PM
Daylight: 14 hrs 53 mins
Moonrise: 8:50 PM
Moon Transit: 12:29 AM
Moonset: 4:57 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:19 AM - 2:49 PM

Minor Periods

8:20 PM - 9:50 PM
4:27 AM - 5:57 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Sunny
94.9°F
72.6°F
83.3°F
68%
0 in
5%
0%
8.7 mph
10.7


Air Quality

AQI: 2 - Moderate
PM2.5: 17.58 μg/m3
PM10: 28.13 μg/m3
Carbon Monoxide: 130.21 μg/m3
Nitrogen Dioxide: 3.74 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 67.88 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 1:06 PM
Sunset: 8:33 PM
Daylight: 14 hrs 53 mins
Moonrise: 9:30 PM
Moon Transit: 1:20 AM
Moonset: 5:54 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:50 AM - 3:20 AM
1:10 PM - 3:40 PM

Minor Periods

9:00 PM - 10:30 PM
5:24 AM - 6:54 AM

Action Rating: 5 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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