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Iowa Severe Flood Warning | Effective 10/06/2026 17:36

...The Flood Warning continues for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Clinton and Scott Counties.* WHAT...Moderate flooding is occurring and major flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until late Monday night. * IMPACTS...At 12.5 feet, Water affects old U.S. Highway 61 near the river. * ADDITIONAL DETAILS... - At 7:30 PM CDT Tuesday the stage was 12.1 feet. - Forecast...The river is expected to rise to a crest of 12.7 feet early Thursday afternoon. It will then fall below flood stage late Monday evening.

Severe Storm Warning | Effective 10/06/2026 16:08

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height..TONIGHT...E of Saint Matthew Island, NW wind 15 kt. W of Saint Matthew Island, SW wind 15 kt becoming S 25 kt after midnight. Seas 6 ft. .WED...E of Saint Matthew Island, SE wind 15 kt increasing to 25 kt in the afternoon.

Severe Storm Warning | Effective 10/06/2026 16:08

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height..TONIGHT...N wind 15 kt. Seas 6 ft. .WED...Variable wind 10 kt becoming S 20 kt in the afternoon. Seas 6 ft. .WED NIGHT...S wind 30 kt increasing to 50 kt after midnight. Seas 10 ft building to 21 ft after midnight. Rain. .THU...SW wind 50 kt. Seas 24 ft. .THU NIGHT...S wind 30 kt. Seas 14 ft.

Extreme Hurricane Force Wind Warning | Effective 10/06/2026 16:08

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height..TONIGHT...S wind 45 kt. Seas 19 ft. Rain. .WED...S wind 45 kt increasing to 70 kt in the afternoon. Seas 21 ft building to 30 ft in the afternoon. Rain. .WED NIGHT...W wind 50 kt. Gusts to 65 kt. Seas 27 ft. .THU AND THU NIGHT...SW wind 45 kt. Seas 27 ft. .FRI...W wind 40 kt. Seas 27 ft.

Severe Storm Warning | Effective 10/06/2026 16:08

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height..TONIGHT...NW wind 15 kt becoming SW after midnight. Seas 6 ft. .WED...S wind 25 kt increasing to 35 kt in the afternoon. Seas 4 ft building to 12 ft in the afternoon. .WED NIGHT...S wind 50 kt. Gusts to 65 kt. Seas 20 ft. Rain. .THU...SW wind 25 kt. Seas 10 ft. .THU NIGHT...SW wind 30 kt.

Severe Storm Warning | Effective 10/06/2026 16:08

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height..TONIGHT...NW wind 15 kt in the evening becoming variable 10 kt. Seas 5 ft. .WED...S wind 25 kt increasing to 35 kt in the afternoon. Seas 4 ft building to 13 ft in the afternoon. .WED NIGHT...S wind 50 kt. Seas 23 ft. Rain. .THU...W wind 25 kt. Seas 14 ft. .THU NIGHT...SW wind 30 kt. Seas 15 ft.

Severe Storm Warning | Effective 10/06/2026 16:08

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height..TONIGHT...NW wind 15 kt. Seas 6 ft. .WED...S wind 25 kt increasing to 35 kt in the afternoon. Seas 6 ft building to 13 ft in the afternoon. .WED NIGHT...S wind 50 kt. Seas 24 ft. Rain. .THU...W wind 25 kt. Seas 15 ft. .THU NIGHT...SW wind 30 kt. Seas 16 ft. .FRI...SW wind 30 kt. Seas 16 ft.

Severe Storm Warning | Effective 10/06/2026 16:08

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height..TONIGHT...S wind 45 kt. Seas 15 ft. Rain. .WED...S wind 40 kt becoming SE 60 kt in the afternoon. Seas 18 ft building to 27 ft in the afternoon. Rain. .WED NIGHT...W wind 55 kt. Gusts to 65 kt. Seas 27 ft. .THU...SW wind 50 kt. Seas 30 ft. .THU NIGHT...SW wind 45 kt. Seas 28 ft.

Extreme Hurricane Force Wind Warning | Effective 10/06/2026 16:08

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height..TONIGHT...Variable wind 10 kt becoming S 20 kt after midnight. Seas 6 ft. .WED...S wind 40 kt. Seas 6 ft building to 16 ft in the afternoon. .WED NIGHT...S wind 65 kt becoming SW 50 kt after midnight. Seas 27 ft. Rain. .THU AND THU NIGHT...SW wind 30 kt. Seas 15 ft. .FRI...SW wind 40 kt.

Extreme Hurricane Force Wind Warning | Effective 10/06/2026 16:08

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out. Wind forecasts reflect the predominant speed and direction expected. Sea forecasts represent an average of the highest one-third of the combined wind wave and swell height..TONIGHT...SW wind 20 kt becoming S 40 kt after midnight. Seas 8 ft. Rain. .WED...S wind 45 kt increasing to 55 kt in the afternoon. Seas 14 ft building to 27 ft in the afternoon. Rain. .WED NIGHT...S wind 65 kt becoming W 35 kt after midnight. Seas 29 ft subsiding to 21 ft after midnight. Rain.
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