Steelhead Alley Storm Watch

Live active storms, NWS alerts, and the next 5-day rainfall outlook — followed by the historical archive of past storm events.

Active & Forecasted

Updates every ~15 min

🌩️ Ohio — Moderate

Explorer Map →

2 rivers rising 4.1×+ in 6h

2 rivers affected

🌧️ Forecasted Rain

Rain likely Tonight — 78% chance per NWS (Rain Showers). 32 rivers in the precipitation window.

Storm Archive

Published past storm events with rainfall, flow, and forecast accuracy.

Major May 10, 2026 02:00 - May 10, 2026 03:00 (1.0h)

Sun May 10 New York (Lake Erie) Storm

May 10 alley-wide storm -- 0.8" in 1hrs, Buffalo Creek blew out, Cazenovia Creek fishable Monday.

Max Rain: 0.75"

Forecast Accuracy: Grade B

Buckets: NY · Erie

Severe May 5, 2026 22:00 - May 6, 2026 18:00 (20.0h)

Tue May 5-6 Alley Storm

May 5-6 superstorm -- 1.9" of rain across Steelhead Alley. Lake Erie tribs out through Saturday.

Max Rain: 1.88"

Forecast Accuracy: Grade C

Buckets: Steelhead Alley

Major May 1, 2026 12:00 - May 1, 2026 22:00 (10.0h)

Fri May 1 Ohio & Pennsylvania Storm

May 1 alley-wide storm -- 0.8" in 10hrs, Euclid Creek blew out, Black River fishable Sunday.

Max Rain: 0.75"

Forecast Accuracy: Grade C

Buckets: OH · Erie, PA · Erie

Severe Apr 29, 2026 16:00 - Apr 30, 2026 11:00 (19.0h)

Wed April 29-30 Alley Storm

Apr 29-30 superstorm -- 1.8" of rain across Steelhead Alley. Lake Erie tribs out through Sunday.

Max Rain: 1.83"

Forecast Accuracy: Grade C

Buckets: Steelhead Alley

Major Apr 24, 2026 21:00 - Apr 26, 2026 03:00 (30.0h)

Fri April 24-26 New York (Lake Erie) & New York (Lake Ontario) & Ohio Storm

Apr 24-26 alley-wide storm -- 0.9" in 30hrs, Sandy Creek (Adams) blew out, Eighteenmile Creek (Niagara) fishable Wednesday.

Max Rain: 0.91"

Forecast Accuracy: Grade N/A

Buckets: NY · Erie, NY · Ontario, OH · Erie

Minor Apr 22, 2026 05:00 - Apr 22, 2026 06:00 (1.0h)

Wed April 22 New York (Lake Erie) Storm

Brief Cazenovia Creek pulse -- 0.3" Wednesday, back in shape by Wednesday.

Max Rain: 0.30"

Forecast Accuracy: Grade N/A

Buckets: NY · Erie

Major Apr 18, 2026 21:00 - Apr 19, 2026 16:00 (19.0h)

Sat April 18-19 New York (Lake Erie) & New York (Lake Ontario) & Pennsylvania Storm

Apr 18-19 alley-wide storm -- 0.7" in 19hrs, Irondequoit Creek blew out, Sandy Creek (Adams) fishable Monday.

Max Rain: 0.74"

Forecast Accuracy: Grade N/A

Buckets: NY · Erie, NY · Ontario, PA · Erie

Major Apr 16, 2026 23:00 - Apr 17, 2026 05:00 (6.0h)

Thu April 16-17 New York (Lake Erie) & New York (Lake Ontario) Storm

Apr 16-17 alley-wide storm -- 0.7" in 6hrs, Black River (Watertown) blew out, Sandy Creek (Adams) fishable Friday.

Max Rain: 0.68"

Forecast Accuracy: Grade N/A

Buckets: NY · Erie, NY · Ontario

Severe Apr 14, 2026 19:00 - Apr 16, 2026 06:00 (35.0h)

Tue April 14-16 New York (Lake Erie) & New York (Lake Ontario) & Ohio Storm

Apr 14-16 superstorm -- 2.8" of rain across Steelhead Alley. Lake Erie tribs out through Sunday.

Max Rain: 2.83"

Forecast Accuracy: Grade N/A

Buckets: NY · Erie, NY · Ontario, OH · Erie

Minor Apr 10, 2026 19:00 - Apr 11, 2026 02:00 (7.0h)

Fri April 10-11 Ohio Storm

Brief Euclid Creek pulse -- 0.5" Friday, back in shape by Monday.

Max Rain: 0.47"

Forecast Accuracy: Grade N/A

Buckets: OH · Erie

Moderate Apr 5, 2026 03:00 - Apr 5, 2026 10:00 (7.0h)

Sun April 5 Ohio Storm

Apr 5 Ohio front -- 0.4" delivered, Euclid Creek peaked +23hrs as expected.

Max Rain: 0.43"

Forecast Accuracy: Grade N/A

Buckets: OH · Erie

Severe Apr 1, 2026 00:00 - Apr 2, 2026 05:00 (29.0h)

Wed April 1-2 Ohio Storm

Apr 1-2 superstorm -- 4.1" of rain across Steelhead Alley. Lake Erie tribs out through Sunday.

Max Rain: 4.09"

Forecast Accuracy: Grade N/A

Buckets: OH · Erie