391
FXUS01 KWBC 262029
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
427 PM EDT SUN APR 26 2026
VALID 00Z MON APR 27 2026 - 00Z WED APR 29 2026
...THERE IS A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER
PARTS OF THE CENTRAL PLAINS/MIDDLE MISSISSIPPI VALLEY ON SUNDAY
AND THE GREAT LAKES, UPPER/MIDDLE MISSISSIPPI VALLEY ON MONDAY...
...THERE IS A SLIGHT RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER
PARTS OF THE LOWER MISSISSIPPI/TENNESSEE VALLEYS ON TUESDAY...
...THERE IS AN ENHANCED RISK (LEVEL 3/5) OF SEVERE THUNDERSTORMS
OVER PARTS OF THE CENTRAL/SOUTHERN PLAINS ON SUNDAY AND THE MIDDLE
MISSISSIPPI VALLEY/WESTERN OHIO VALLEY ON MONDAY...
...SNOW FOR THE HIGHEST ELEVATIONS OF THE SIERRA NEVADA MOUNTAINS,
GREAT BASIN, AND NORTHERN/CENTRAL ROCKIES...
LOW PRESSURE OVER THE CENTRAL HIGH PLAINS ON SUNDAY WILL MOVE
NORTHEASTWARD TO JAMES BAY, CANADA BY TUESDAY. THE ASSOCIATED
FRONT WILL MOVE FROM NEW MEXICO TO THE LOWER GREAT LAKES/OHIO
VALLEY, THEN SOUTHWESTWARD INTO THE SOUTHERN PLAINS BY TUESDAY.
THE STORM WILL PRODUCE RAIN OVER THE NORTHERN PLAINS AND SHOWERS
AND SEVERE THUNDERSTORMS OVER THE CENTRAL/SOUTHERN PLAINS AND
MIDDLE/LOWER MISSISSIPPI VALLEY ON SUNDAY. THEREFORE, THE SPC HAS
ISSUED AN ENHANCED RISK (LEVEL 3/5) OF SEVERE THUNDERSTORMS OVER
PARTS OF THE CENTRAL/SOUTHERN PLAINS AND ADJACENT MIDDLE
MISSISSIPPI VALLEY THROUGH MONDAY MORNING. THE HAZARDS ASSOCIATED
WITH THESE THUNDERSTORMS ARE FREQUENT LIGHTNING, SEVERE
THUNDERSTORM WIND GUSTS, HAIL, AND A FEW TORNADOES.
IN ADDITION, THE SHOWERS AND THUNDERSTORMS WILL PRODUCE HEAVY
RAIN. THEREFORE, THE WPC HAS ISSUED A SLIGHT RISK (LEVEL 2/4) OF
EXCESSIVE RAINFALL OVER PARTS OF THE CENTRAL PLAINS AND MIDDLE
MISSISSIPPI VALLEY THROUGH MONDAY MORNING. THE ASSOCIATED HEAVY
RAIN WILL CREATE MAINLY LOCALIZED AREAS OF FLASH FLOODING, WITH
URBAN AREAS, ROADS, SMALL STREAMS, AND LOW-LYING AREAS BEING THE
MOST VULNERABLE. ADDITIONALLY, SHOWERS AND THUNDERSTORMS WILL
LINGER OVER THE SOUTHEAST COAST AND PARTS OF FLORIDA THROUGH EARLY
SUNDAY NIGHT.
ON MONDAY, SHOWERS AND SEVERE THUNDERSTORMS WILL DEVELOP OVER
PARTS OF THE MIDDLE MISSISSIPPI VALLEY. THEREFORE, THE SPC HAS
ISSUED AN ENHANCED RISK (LEVEL 3/5) OF SEVERE THUNDERSTORMS OVER
PARTS OF THE MIDDLE MISSISSIPPI VALLEY FROM MONDAY THROUGH TUESDAY
MORNING. THE HAZARDS ASSOCIATED WITH THESE THUNDERSTORMS ARE
FREQUENT LIGHTNING, SEVERE THUNDERSTORM WIND GUSTS, HAIL, AND A
FEW TORNADOES.
MOREOVER, THE SHOWERS AND THUNDERSTORMS WILL PRODUCE HEAVY RAIN
OVER PARTS OF THE REGION. THEREFORE, THE WPC HAS ISSUED A SLIGHT
RISK (LEVEL 2/4) OF EXCESSIVE RAINFALL OVER PARTS OF THE MIDDLE
MISSISSIPPI VALLEY AND UPPER GREAT LAKES ON MONDAY. THE ASSOCIATED
HEAVY RAIN WILL CREATE MAINLY LOCALIZED AREAS OF FLASH FLOODING,
WITH URBAN AREAS, ROADS, SMALL STREAMS, AND LOW-LYING AREAS BEING
THE MOST VULNERABLE.
MEANWHILE, UPPER-LEVEL ENERGY OVER CALIFORNIA ON SUNDAY WILL MOVE
TO THE UPPER GREAT LAKES BY TUESDAY EVENING. THE SYSTEM WILL
PRODUCE RAIN WITH EMBEDDED THUNDERSTORMS OVER PARTS OF NORTHERN
CALIFORNIA AND NEVADA ON SUNDAY AND MONDAY. THE SYSTEM WILL
PRODUCE LATE-SEASON SNOWFALL OVER THE HIGHER ELEVATIONS OF THE
NORTHERN INTERMOUNTAIN REGION, THE SIERRA NEVADA MOUNTAINS, THE
GREAT BASIN, AND THE NORTHERN /CENTRAL ROCKIES SUNDAY INTO MONDAY.
ZIEGENFELDER
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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