Major to record flooding continues over portions of the central U.S. Severe thunderstorms possible from the Mid Atlantic to the Northeast U.S.
Major to record flooding will continue over portions of eastern Oklahoma, northern Arkansas, Missouri, Illinois, and Indiana. Rivers will gradually recede over the next several days. Additional strong to severe thunderstorms will be possible Monday afternoon and evening over portions of the Mid Atlantic and Northeast U.S.Damaging winds, large hail, and isolated tornadoes will be possible.
Hazardous Weather Conditions
High and low forecast temperature values represent air temperature.
Water temperature forecast is experimental.
Last Update: 12:20 am CDT May 1, 2017
Forecast Valid: 2am CDT May 1, 2017-6pm CDT May 7, 2017
AS IT CONTINUES EAST ACROSS QUEBEC. LOW PRESSURE OF 29.4 INCHES
OVER EASTERN KANSAS WILL DEEPEN TO 29.3 INCHES AS IT REACHES
NORTHERN IOWA OVERNIGHT. THE LOW WILL THEN CONTINUE NORTHEAST INTO
WESTERN QUEBEC BY TUESDAY AFTERNOON. WEAK HIGH PRESSURE OF 30.0
INCHES WILL DEVELOP OVER THE CENTRAL PLAINS IN THE WAKE OF THIS
LOW, THEN STRENGTHEN TO 30.3 INCHES AS IT MOVES NORTHEAST TO LAKE
MICHIGAN BY WEDNESDAY AFTERNOON. A 29.7 INCH LOW IS FORECAST TO
FORM OVER THE SOUTHERN MISSISSIPPI VALLEY LATE WEDNESDAY NIGHT AND
DEEPEN TO AROUND 29.2 AS IT TRACKS UP THE OHIO VALLEY TO QUEBEC
THROUGH THE END OF THIS WEEK.
- This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
- The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.