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

🌧️ Forecasted Rain

Rain likely Tonight — 64% chance per NWS (Showers And Thunderstorms Likely then Chance Showers And Thunderstorms). 31 rivers in the precipitation window.

Storm Archive

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

Severe Jul 18, 2026 09:00 - Jul 19, 2026 20:48 (35.8h)

Sat July 18-19 Alley Storm

Jul 18-19 severe storm -- 1.5" of rain across Steelhead Alley. Lake Erie tribs out through Sunday.

Max Rain: 1.47"

Forecast Accuracy: Grade A

Buckets: Steelhead Alley

Moderate Jul 14, 2026 07:18 - Jul 16, 2026 07:18 (48.0h)

Tue July 14-16 New York (Lake Ontario) Storm

Jul 14-16 New front -- 0.0" delivered, Genesee River peaked +14hrs as expected.

Max Rain: 0.00"

Forecast Accuracy: Grade B

Buckets: NY · Ontario

Major Jul 9, 2026 18:00 - Jul 9, 2026 22:00 (4.0h)

Thu July 9 Alley Storm

Jul 9 alley-wide storm -- 0.9" in 4hrs, Eighteen Mile Creek blew out, Johnson Creek fishable Friday.

Max Rain: 0.87"

Forecast Accuracy: Grade A

Buckets: Steelhead Alley

Major Jul 6, 2026 16:00 - Jul 6, 2026 22:00 (6.0h)

Mon July 6 Alley Storm

Jul 6 alley-wide storm -- 0.8" in 6hrs, Johnson Creek blew out, Huron River fishable Monday.

Max Rain: 0.75"

Forecast Accuracy: Grade A

Buckets: Steelhead Alley

Major Jul 5, 2026 14:00 - Jul 6, 2026 01:00 (11.0h)

Sun July 5-6 Alley Storm

Jul 5-6 alley-wide storm -- 0.9" in 11hrs, Johnson Creek blew out, Silver Creek fishable Saturday.

Max Rain: 0.87"

Forecast Accuracy: Grade A

Buckets: Steelhead Alley

Moderate Jul 4, 2026 00:00 - Jul 4, 2026 02:00 (2.0h)

Sat July 4 Alley Storm

Jul 4 Alley front -- 0.4" delivered, Johnson Creek peaked +4hrs as expected.

Max Rain: 0.42"

Forecast Accuracy: Grade A

Buckets: Steelhead Alley

Moderate Jul 4, 2026 00:00 - Jul 4, 2026 01:00 (1.0h)

Sat July 4 New York (Lake Ontario) & Ohio & Pennsylvania Storm

Jul 4 Alley front -- 0.4" delivered, Johnson Creek peaked +14hrs as expected.

Max Rain: 0.39"

Forecast Accuracy: Grade N/A

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

Moderate Jul 2, 2026 23:00 - Jul 3, 2026 01:00 (2.0h)

Thu July 2-3 New York (Lake Ontario) & Ohio & Pennsylvania Storm

Jul 2-3 Alley front -- 0.4" delivered, Johnson Creek peaked +22hrs as expected.

Max Rain: 0.43"

Forecast Accuracy: Grade A

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

Moderate Jul 2, 2026 23:00 - Jul 3, 2026 01:00 (2.0h)

Thu July 2-3 New York (Lake Ontario) & Ohio Storm

Jul 2-3 Alley front -- 0.4" delivered, Johnson Creek peaked +14hrs as expected.

Max Rain: 0.43"

Forecast Accuracy: Grade A

Buckets: NY · Ontario, OH · Erie

Severe Jul 1, 2026 23:00 - Jul 2, 2026 01:00 (2.0h)

Wed July 1-2 New York (Lake Erie) & New York (Lake Ontario) & Ohio Storm

Jul 1-2 severe storm -- 1.4" of rain across Steelhead Alley. Lake Erie tribs out through Thursday.

Max Rain: 1.44"

Forecast Accuracy: Grade A

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

Major Jun 30, 2026 17:00 - Jul 1, 2026 06:00 (13.0h)

Tue June 30 - July 1 New York (Lake Erie) & New York (Lake Ontario) & Ohio Storm

Jun 30-Jul 1 alley-wide storm -- 0.8" in 13hrs, Oak Orchard Creek blew out, Salmon River fishable Wednesday.

Max Rain: 0.83"

Forecast Accuracy: Grade A

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

Severe Jun 25, 2026 11:00 - Jun 26, 2026 09:00 (22.0h)

Thu June 25-26 Alley Storm

Jun 25-26 severe storm -- 1.1" of rain across Steelhead Alley. Lake Erie tribs out through Thursday.

Max Rain: 1.05"

Forecast Accuracy: Grade B

Buckets: Steelhead Alley