Waterlands
Mississippi River
USGS · 05587450
MISSISSIPPI RIVER
USGS · 05587450LIVE

Mississippi River at Grafton, IL

GRAFTON, IL38.9680°N, -90.4290°W Updated 21 hr ago
FLOW RATE
76,651cfs
AIR TEMP
97°F
WIND
10mph SSW
FISH INDEX
50SCORE / 100
GOOD · 3 OF 5
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
76,651cfs 21.5% vs avg
Optimal band: 151,734–205,286 cfs
PERIOD HIGH
253,195cfs
PERIOD LOW
22,689cfs
RUNNABLE
6%
last 30 day in band
Precipitation History
Your History · Mississippi River at Grafton, IL

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Weather Conditions
WEATHER CONDITIONS
TODAY
97°
76°
FRI
99°
77°
SAT
94°
76°
SUN
86°
70°
MON
81°
64°
TUE
83°
65°
WED
87°
65°
TIME
THU
9
NOW
10
pm
11
pm
FRI
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SAT
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
SUN
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
MON
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
4
pm
5
pm
6
pm
7
pm
8
pm
9
pm
10
pm
11
pm
TUE
12
am
1
am
2
am
3
am
4
am
5
am
6
am
7
am
8
am
9
am
10
am
11
am
12
pm
1
pm
2
pm
3
pm
TEMP
hourly forecast
89°
mild
89°
86°
85°
84°
82°
81°
80°
79°
79°
78°
80°
84°
88°
91°
94°
95°
97°
99°
95°
96°
98°
97°
95°
90°
85°
77°
79°
80°
80°
79°
78°
78°
77°
76°
78°
77°
78°
81°
86°
90°
92°
93°
93°
94°
93°
92°
91°
86°
82°
81°
80°
79°
78°
77°
74°
71°
70°
70°
71°
71°
72°
73°
77°
81°
83°
85°
86°
81°
82°
78°
77°
76°
73°
72°
70°
70°
69°
68°
67°
66°
65°
64°
66°
69°
71°
74°
76°
78°
80°
81°
81°
81°
81°
80°
78°
74°
71°
70°
69°
68°
67°
67°
66°
66°
65°
65°
68°
70°
73°
76°
78°
80°
82°
83°
83°
WIND
mph · gust · dir
5mph SSE
G 12 mph
5
G12
SSE
4
G12
SSE
5
G13
SSE
1
G9
NNW
1
G9
SSE
0
G9
W
1
G7
SE
1
G7
NNW
4
G6
NW
2
G3
NW
2
G7
S
4
G14
SSW
6
G15
SSW
7
G11
SSW
7
G10
SW
7
G10
SSW
8
G11
SW
8
G12
SSW
14
G18
SE
10
G13
SE
6
G12
SSE
8
G11
W
3
G6
NW
9
G16
E
11
G26
SSE
18
G21
ENE
8
G10
N
5
N
5
G7
NNW
3
ESE
3
G7
E
2
G6
ENE
2
G7
E
2
G6
SE
2
G6
SSE
12
G31
NNW
12
G28
NNW
6
G12
NE
8
G11
SSE
8
G11
SSW
9
G12
SW
9
G11
SW
9
G12
SW
8
G11
SW
7
G10
WSW
6
G7
WSW
3
WSW
1
G5
SSE
4
G9
SE
3
G10
SSW
6
G8
WSW
6
WSW
6
G8
WSW
6
WSW
11
WNW
11
G22
N
2
G18
NNE
5
G13
ESE
6
G8
WNW
9
WNW
11
W
2
G5
W
4
ENE
6
NE
4
G6
NNW
5
G7
NNW
4
G7
NNW
7
G8
NNW
9
NNW
7
G9
N
9
G11
N
7
N
8
N
7
N
6
G8
N
5
NNE
6
N
6
N
6
N
7
N
6
NNE
6
G8
NNE
5
G8
N
7
NNE
6
N
5
NNW
6
NNW
6
NNW
8
NNW
8
NW
9
NW
9
NNW
9
NNW
7
NNW
6
G14
N
6
G15
N
7
G15
N
7
G16
N
6
G15
NNE
4
G8
N
1
G6
N
3
G6
NNW
3
G8
NNW
3
G9
NW
3
G9
WNW
3
G9
NW
4
G8
NW
5
G8
NNW
6
G8
NNW
7
G8
NNW
7
NNW
7
NNW
7
N
7
N
7
N
PRECIP
chance %
6%
6%
8%
1%
4%
1%
1%
2%
2%
2%
2%
3%
2%
2%
2%
4%
2%
2%
3%
2%
8%
14%
10%
8%
6%
6%
7%
6%
3%
3%
20%
20%
20%
20%
20%
20%
23%
23%
23%
23%
23%
23%
18%
18%
18%
18%
18%
18%
19%
19%
19%
19%
19%
19%
41%
41%
41%
41%
41%
41%
22%
22%
22%
22%
22%
22%
10%
10%
10%
10%
10%
10%
11%
11%
11%
11%
11%
11%
15%
15%
15%
15%
15%
15%
13%
13%
13%
13%
13%
13%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
7%
7%
7%
7%
7%
7%
16%
16%
16%
16%
16%
16%
18%
18%
CLOUDS
cover %
0%
clear
0%
0%
0%
16%
3%
100%
94%
19%
0%
4%
0%
3%
1%
2%
20%
23%
14%
17%
100%
100%
81%
39%
46%
100%
51%
100%
100%
58%
8%
67%
100%
11%
67%
60%
21%
100%
17%
44%
62%
52%
78%
0%
100%
100%
100%
100%
55%
100%
100%
100%
6%
0%
6%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
55%
6%
21%
100%
95%
100%
100%
100%
8%
0%
0%
0%
0%
29%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
6%
100%
64%
6%
100%
100%
5%
0%
0%
0%
7%
7%
100%
92%
77%
76%
66%
61%
68%
81%
91%
99%
100%
PRESSURE
hPa · trend
1000
1000100110031001100099910009979969989999999989991001999999100010021001
TemperatureWind / GustsPrecipitationCloud coverPressure
Nowscroll →
FISH INDEX
50
Temperature
Too Hot
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:40 AM
SUNSET
08:31 PM
14H 51M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Waning Gibbous
91% illuminated

Station Location

38.9680, -90.4290
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 21:27 UTC
Site #05587450·USGS

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