Severe thunderstorms and heavy rain for portions of the southern U.S.
A storm system will produce scattered severe thunderstorms and heavy rain in portions of lower-mid Mississippi River Valley and Gulf Coast region on Saturday. Very large hail, locally damaging winds, isolated tornadoes and flash flooding are possible in this area. Some of the flooding could be significant in portions of Louisiana, Mississippi and southeast Arkansas.
High and low forecast temperature values represent air temperature.
Water temperature forecast is experimental.
Last Update: 2:16 pm CDT Apr 30, 2016
Forecast Valid: 4pm CDT Apr 30, 2016-6pm CDT May 6, 2016
LAKES THROUGH TONIGHT. MEANWHILE AN AREA OF LOW PRESSURE OF 29.6
INCHES OVER THE CENTRAL PLAINS WILL LIFT NORTHEAST TONIGHT AND
EVENTUALLY ACROSS SOUTHEASTERN ILLINOIS EARLY SUNDAY WHILE
FILLING TO 29.8 INCHES. THE LOW WILL THEN MOVE ACROSS THE UPPER
OHIO VALLEY BY LATE SUNDAY. HIGH PRESSURE OF 30.2 INCHES WILL THEN
SETTLE ACROSS THE NORTHERN AND CENTRAL GREAT LAKES REGION ON
MONDAY. THE HIGH PRESSURE RIDGE WILL WEAKEN TO 30.0 INCHES ON
TUESDAY WHILE PUSHING SOUTH INTO THE OHIO VALLEY. LOW PRESSURE OF
29.4 INCHES WILL MOVE SOUTHEAST ACROSS ONTARIO INTO SOUTHWEST
QUEBEC TUESDAY NIGHT...AS A TRAILING COLD FRONT PUSHES SOUTH
ACROSS THE WESTERN LAKES.
- 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.