Water Temperature of the Missouri River in St Charles, MO

Current Water Temperature

84.8°F

Measurement Time: Wednesday, August 5, 2026, 10:00 AM CDT

Temperature Locations

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Local Points of Interest

Bridgeton, MO; Frontier Park; Riverwoods Park & Trail

Missouri River

Station Name: St Charles 1E
Data Source: USGS

Elevation Above Sea Level: 446 feet

Nearest Address:
14580 Missouri Bottom Rd
St Charles, MO 63044
St. Louis County

GPS Coordinates: 38.7856, -90.4719

Nearby Water Temperatures

Mississippi River, Alton, IL (18.4 mi)
Mississippi River, Cap Au Gris, MO (19 mi)
Missouri River, Labadle, MO (25 mi)
Mississippi River, Clarksville, MO (46.8 mi)
Missouri River, Hermann, MO (52.3 mi)
Big River, Bonne Terre, MO (56.9 mi)
Illinois River, Florence, IL (59 mi)
Huzzah Creek, Butts, MO (68.7 mi)
Mississippi River, Saverton, MO (72 mi)
Sugar Creek, Chatham, IL (74.4 mi)
Lick Creek, Springfield, IL (76.3 mi)
Illinois River, La Grange, IL (79.8 mi)
East Fork Black River, Lesterville, MO (87.5 mi)
East Fork Black River, Lesterville, MO (91.5 mi)
Mississippi River, Quincy, IL (92.6 mi)

Weather for St Charles, Missouri

Current Weather

96.3°F
Sunny
Sunny
103.6°F
104.9°F
44%
SSW 5.1 mph
5.9 mph
96.3°F
70.5°F
0 in
0%
6 mi
1014 mbar
5

Five Day Weather Forecast

Sunny
Wed
H: 96°F
L: 69°F
Sunny
Thu
H: 90°F
L: 71°F
Sunny
Fri
H: 95°F
L: 72°F
Sunny
Sat
H: 97°F
L: 71°F
Sunny
Sun
H: 103°F
L: 78°F

Air Quality

AQI: 1 - Good
PM2.5: 14.2 μg/m3
PM10: 14.8 μg/m3
Carbon Monoxide: 134 μg/m3
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 4.1 μg/m3
Ozone: 137 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:07 PM
Sunset: 8:09 PM
Daylight: 14 hrs 2 mins
Moonrise: 12:02 AM
Moon Transit: 6:09 AM
Moonset: 1:29 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
6:01 PM - 8:31 PM

Minor Periods

12:59 AM - 2:29 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Flood Watch issued August 5 at 1:31PM CDT until August 6 at 10:00AM CDT by NWS St Louis MO

Effective: Wed August 5, 2026, 1:31 PM
Expires: Thu August 6, 2026, 4:45 AM

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southwest Illinois, including the following areas, Greene IL, Jersey IL, Madison IL, Monroe IL and Saint Clair IL. * WHEN...From 10 PM CDT this evening through Thursday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Thunderstorms with high rainfall rates are expected to develop and track repeatedly over similar locations late this evening into Thursday morning, which will likely lead to areas of flash flooding.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Wednesday, August 5, 2026

Weather Forecast

Sunny
96.3°F
69.3°F
81°F
62%
0 in
5%
0%
9.4 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 14.66 μg/m3
PM10: 15.1 μg/m3
Carbon Monoxide: 176.21 μg/m3
Nitrogen Dioxide: 16.55 μg/m3
Sulphur Dioxide: 3.4 μg/m3
Ozone: 85.25 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 1:07 PM
Sunset: 8:09 PM
Daylight: 14 hrs 2 mins
Moonrise: 12:02 AM
Moon Transit: 6:09 AM
Moonset: 1:29 PM
Moon Phase: Last Quarter
Moon Illumination: 43.2%

Best Times for Fishing or Hunting

Major Periods

5:39 AM - 8:09 AM
6:01 PM - 8:31 PM

Minor Periods

12:59 AM - 2:29 PM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Thursday, August 6, 2026

Weather Forecast

Sunny
90.3°F
71.1°F
79.5°F
68%
0.74 in
68%
0%
10.5 mph
7.9


Air Quality

AQI: 2 - Moderate
PM2.5: 17.63 μg/m3
PM10: 18.29 μg/m3
Carbon Monoxide: 165.04 μg/m3
Nitrogen Dioxide: 20.9 μg/m3
Sulphur Dioxide: 4.79 μg/m3
Ozone: 87.08 μg/m3

Astronomical

Sunrise: 6:08 AM
Sun Transit: 1:07 PM
Sunset: 8:07 PM
Daylight: 14 hrs mins
Moonrise: 12:34 AM
Moon Transit: 7:03 AM
Moonset: 2:43 PM
Moon Phase: Last Quarter
Moon Illumination: 32.3%

Best Times for Fishing or Hunting

Major Periods

6:33 AM - 9:03 AM
6:57 PM - 9:27 PM

Minor Periods

2:13 PM - 3:43 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, August 7, 2026

Weather Forecast

Sunny
95°F
71.7°F
82.9°F
65%
0.18 in
58%
0%
11.6 mph
8


Air Quality

AQI: 2 - Moderate
PM2.5: 17.67 μg/m3
PM10: 19.36 μg/m3
Carbon Monoxide: 159 μg/m3
Nitrogen Dioxide: 14.08 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 82.96 μg/m3

Astronomical

Sunrise: 6:09 AM
Sun Transit: 1:07 PM
Sunset: 8:06 PM
Daylight: 13 hrs 58 mins
Moonrise: 12:15 AM
Moon Transit: 8:01 AM
Moonset: 3:57 PM
Moon Phase: Last Quarter
Moon Illumination: 22.2%

Best Times for Fishing or Hunting

Major Periods

7:31 AM - 10:01 AM
7:58 PM - 10:28 PM

Minor Periods

3:27 PM - 4:57 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, August 8, 2026

Weather Forecast

Sunny
97.3°F
70.7°F
83.6°F
60%
0 in
17%
0%
14.1 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 12.79 μg/m3
PM10: 13.59 μg/m3
Carbon Monoxide: 168.8 μg/m3
Nitrogen Dioxide: 9.44 μg/m3
Sulphur Dioxide: 2.07 μg/m3
Ozone: 83.04 μg/m3

Astronomical

Sunrise: 6:10 AM
Sun Transit: 1:07 PM
Sunset: 8:05 PM
Daylight: 13 hrs 55 mins
Moonrise: 1:06 AM
Moon Transit: 9:04 AM
Moonset: 5:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 13.6%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
9:03 PM - 11:33 PM

Minor Periods

4:36 PM - 6:06 PM
12:36 AM - 2:06 AM

Action Rating: 2 out of 5

Sunday, August 9, 2026

Weather Forecast

Sunny
103°F
78.4°F
89.8°F
48%
0 in
2%
0%
12.8 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 12.04 μg/m3
PM10: 12.44 μg/m3
Carbon Monoxide: 281.13 μg/m3
Nitrogen Dioxide: 18.24 μg/m3
Sulphur Dioxide: 2.95 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 1:07 PM
Sunset: 8:04 PM
Daylight: 13 hrs 53 mins
Moonrise: 2:09 AM
Moon Transit: 10:09 AM
Moonset: 6:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:39 AM - 12:09 AM

Minor Periods

5:37 PM - 7:07 PM
1:39 AM - 3:09 AM

Action Rating: 2 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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