MEDIAN FLOW RATE · 1 YEAR
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
20.2in
≈ normal
20.24 in of precipitation so far this year — about average for this point in the season (normal 20.79 in).
YTD Total
20.2in
This year so far
Normal to Date
20.8in
30-yr average
Typical Range
13.8–27.3in
10th–90th pct YTD
Departure
-3%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.64" · normal 2.22" (1.0–3.6)
Feb: 0.11" · normal 2.11" (0.7–3.2)
Mar: 4.61" · normal 3.06" (1.6–4.9)
Apr: 5.20" · normal 4.26" (2.6–6.8)
May: 1.34" · normal 4.76" (2.6–7.4)
Jun: 7.32" · normal 4.25" (2.3–7.1)
Jul: 0.03" (so far)· normal 3.68" (1.8–5.5)
Aug: normal 3.09" (1.4–4.7)
Sep: normal 3.08" (1.1–5.4)
Oct: normal 3.28" (1.5–6.1)
Nov: normal 2.98" (1.2–5.4)
Dec: normal 2.32" (1.4–4.1)
Baseline 1991–2020 · Source: Open-Meteo01:13 AM
Your History · MACKINAW RIVER ABOVE MACKINAW, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
90°
75°
THU
93°
74°
FRI
91°
72°
SAT
89°
70°
SUN
82°
69°
MON
78°
65°
TUE
77°
64°
FISH INDEX
Temperature
Too Hot
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:30 AM
SUNSET
08:31 PM
15H 1M OF DAYLIGHT18H 25M REMAINING
MOON PHASE
Waning Gibbous
95% illuminated
Station Location
40.5682, -89.3187Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 02:06 UTC
Site #05567545·USGS
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