585
FGUS86 KSTO 211514
RVSLSJ
HYDROLOGIC STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
814 AM PDT TUE APR 21 2026
..RISES ON THE LOWER SAN JOAQUIN RIVER SYSTEM
.ACTIVE WEATHER WILL BRING PRECIPITATION AND THUNDERSTORMS TO
NORTHERN CALIFORNIA TODAY. RISES ON THE LOWER SAN JOAQUIN RIVER
SYSTEM CAN BE ANTICIPATED AS A RESULT, WITH MICHIGAN BAR AND
MCCONNELL ON THE COSUMNES EXPECTED TO REACH ACTION/MONITOR STAGE
LATE TODAY.
FORECASTS ARE BASED ON PRESENT AND FORECASTED METEOROLOGICAL AND
HYDROLOGIC CONDITIONS AT TIME OF ISSUANCE.
UNLISTED FORECAST POINTS ARE EXPECTED TO REMAIN BELOW MONITOR STAGE.
ALL THOSE AFFECTED BY RIVER CONDITIONS SHOULD REMAIN ALERT FOR RAPID
CHANGES AND FOR POSSIBLE FORECAST REVISIONS.
FOR MORE HYDROLOGIC INFORMATION AND STAGE DEFINITIONS REFER TO THE
FOLLOWING WEB SITE: WATER.NOAA.GOV/WFO/STO
CAC005-067-017-221515-
814 AM PDT TUE APR 21 2026
COSUMNES RIVER AT
MICHIGAN BAR 4/21 7:30 STAGE 5.2 FT
FORECAST TO FLUCTUATE NEAR 5.0 FT INTO THIS AFTERNOON THEN FORECAST
TO RISE ABOVE MONITOR STAGE OF 7.0 FT LATE THIS EVENING THEN
FORECAST TO RISE TO NEAR 7.5 FT LATE TONIGHT THEN FORECAST TO RECEDE
TO NEAR 7.0 FT EARLY TOMORROW AFTERNOON THEN FORECAST TO FALL BELOW
MONITOR STAGE OF 7.0 FT TOMORROW AFTERNOON THEN FORECAST TO RECEDE
TO NEAR 6.5 FT LATE TOMORROW EVENING.
MONITOR STAGE 7.0 FT, FLOOD STAGE 12.0
CAC077-067-221515-
814 AM PDT TUE APR 21 2026
COSUMNES RIVER AT
MCCONNELL 4/21 7:15 STAGE 30.2 FT
FORECAST TO FLUCTUATE NEAR 30.0 FT INTO LATE THIS MORNING THEN
FORECAST TO RISE ABOVE MONITOR STAGE OF 38.5 FT LATE TONIGHT THEN
FORECAST TO RISE TO NEAR 41.0 FT TOMORROW AFTERNOON THEN FORECAST TO
RECEDE TO NEAR 40.0 FT THURSDAY MORNING.
MONITOR STAGE 38.5 FT, FLOOD STAGE 44.5
IMPACT FOR MCCONNELL...NEAR 38.5 FEET, MONITOR STAGE.
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