Today is forecast to be nearly the same temperature as yesterday.
Forecast for Clay
Updated: 11:00 PM CDT on July 9, 2009
Flash Flood Watch in effect until 7 am CDT Friday...
Severe Thunderstorm Watch 568 in effect until 2 am CDT Friday...
Rest of Tonight
Thunderstorms likely. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
Friday
Mostly cloudy. Chance of thunderstorms in the morning... then slight chance of thunderstorms in the afternoon. Highs around 80. Northeast winds 5 to 10 mph. Chance of rain 40 percent.
The National Weather Service in Sioux Falls has issued a
* Flood Warning for... Dickinson County in northwest Iowa northeastern O'Brien County in northwest Iowa northern Clay County in northwest Iowa Osceola County in northwest Iowa southeastern Nobles County in southwest Minnesota southern Jackson County in southwest Minnesota
* until noon CDT Friday
* at 1158 PM CDT... National Weather Service Doppler radar estimates and numerous reports of heavy rainfall from 2 to 4 inches across the area this evening has resulted in ongoing ponding and flooding of low lying areas. While thunderstorms have become more scattered late evening... additional storms are expected to develop between midnight and 2 am which will bring potential for locally an inch or two rainfall the remainder of the night... which will prolong the slow drainage effects from the heavy rainfall.
* Rainfall had created flooding of a Railroad underpass along Highway 59 and 60 in Worthington... with reported ponding across much of Dickinson County.
Precautionary/preparedness actions...
Be especially cautious at night when it is harder to recognize the dangers of flooding. If flash flooding is observed act quickly. Do not enter the water. Turn around and move up to higher ground to escape flood waters. Do not stay in areas subject to flooding when water begins rising.
... Flash Flood Watch remains in effect until 7 am CDT Friday...
The Flash Flood Watch continues for
* portions of northwest Iowa... southwest Minnesota... northeast Nebraska and southeast South Dakota... including the following areas... in northwest Iowa... Buena Vista... Cherokee... Clay... Dickinson... Ida... Lyon... Obrien... Osceola... Plymouth... Sioux and Woodbury. In southwest Minnesota... Jackson... Nobles and rock. In northeast Nebraska... Dakota and Dixon. In southeast South Dakota... Bon Homme... Clay... Lincoln... Turner... Union and Yankton.
* Until 7 am CDT Friday
* additional locally heavy rainfall of 1 to 3 inches is possible tonight. Rainfall rates of 2 to 3 inches per hour are also possible... dropping an inch of rain or more in 15 to 30 minutes.
* Areas that have received heavy rains in the past 3 to 10 days could see flash flooding on creeks and streams with these additional rains... and any urbanized areas that receive the heaviest rainfall rates could see widespread flooding of streets and underpasses.
Precautionary/preparedness actions...
A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation.
You should monitor later forecasts and be prepared to take action should flash flood warnings be issued.
Local Storm Report
07/09/2009 0624 PM
2 miles ENE of Webb, Clay County.
Hail e1.00 inch, reported by public.
07/09/2009 0647 PM
2 miles W of Greenville, Clay County.
Hail e1.00 inch, reported by trained spotter.
07/09/2009 0935 PM
7 miles NNE of Dickens, Clay County.
Hail e1.00 inch, reported by public.
40-50 mph winds
07/09/2009 0624 PM
2 miles ENE of Webb, Clay County.
Hail e1.00 inch, reported by public.
07/09/2009 0647 PM
2 miles W of Greenville, Clay County.
Hail e1.00 inch, reported by trained spotter.
07/09/2009 0850 PM
2 miles W of Fostoria, Clay County.
Hail e1.75 inch, reported by broadcast media.
07/09/2009 0839 PM
9 miles NW of Spencer, Clay County.
Hail e1.25 inch, reported by broadcast media.
Half dollar sized hail 4 miles NE of the intersection of U.S. Highway 18 and State Highway m27.