MEDIAN FLOW RATE · 1 YEAR
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
20.7in
≈ normal
20.69 in of precipitation so far this year — about average for this point in the season (normal 20.88 in).
YTD Total
20.7in
This year so far
Normal to Date
20.9in
30-yr average
Typical Range
15.0–26.6in
10th–90th pct YTD
Departure
-1%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 1.11" · normal 2.44" (1.0–4.1)
Feb: 0.18" · normal 2.11" (0.7–3.3)
Mar: 5.38" · normal 3.12" (1.6–4.6)
Apr: 5.38" · normal 4.28" (2.6–7.2)
May: 1.37" · normal 4.61" (2.7–6.5)
Jun: 7.25" · normal 4.17" (2.0–7.3)
Jul: 0.03" (so far)· normal 3.90" (2.2–6.1)
Aug: normal 2.95" (1.4–4.4)
Sep: normal 2.91" (0.7–4.7)
Oct: normal 3.22" (1.6–5.8)
Nov: normal 2.96" (1.4–5.3)
Dec: normal 2.32" (1.4–4.1)
Baseline 1991 –2020 · Source: Open-Meteo02:08 AM
Your History · MACKINAW RIVER AT 3400E NEAR COLFAX, IL
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Weather Conditions
WEATHER CONDITIONS
TODAY
90°
75°
THU
93°
74°
FRI
92°
73°
SAT
89°
70°
SUN
82°
68°
MON
77°
62°
TUE
77°
63°
FISH INDEX
Temperature
Too Hot
Wind
Light
Pressure
Rising — Slow
Moon Phase
Average
DAYLIGHT
SUNRISE
05:27 AM
SUNSET
08:29 PM
15H 2M OF DAYLIGHT18H 20M REMAINING
MOON PHASE
Waning Gibbous
95% illuminated
Station Location
40.5573, -88.6103Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-02 02:09 UTC
Site #05564190·USGS
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