Flash Flood Watch in effect until 1 am CDT Friday...
Tonight
Mostly cloudy with a chance of thunderstorms. Some thunderstorms may be severe with heavy rainfall. Lows in the mid 60s. Southeast winds 5 to 10 mph becoming northeast after midnight. Chance of rain 40 percent.
Friday
Partly sunny with a 20 percent chance of thunderstorms. Highs in the upper 70s. Northeast winds 5 to 15 mph.
Partly cloudy in the evening...then mostly cloudy with a 30 percent chance of thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 10 mph becoming southeast after midnight.
Sunday
Partly sunny with a 30 percent chance of thunderstorms. Highs in the mid 80s.
... Flash Flood Watch in effect from 4 PM CDT this afternoon through late tonight...
The National Weather Service in Sioux Falls has issued a
* Flash Flood Watch for portions of southwest Minnesota and South Dakota... including the following areas... in southwest Minnesota... Cottonwood... Jackson... Lincoln... Lyon... Murray... Nobles... Pipestone and rock. In South Dakota... Bon Homme... Brookings... Hutchinson... Lake... McCook... Minnehaha... Moody and Turner.
* From 4 PM CDT this afternoon through late tonight
* locally heavy rainfall of 1 to 3 inches is possible late this afternoon and overnight. Rainfall rates of 2 to 4 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 0145 am
2 miles E of Emery, McCook County.
Hail e1.00 inch, reported by public.
Crops damaged
07/09/2009 0215 am
2 miles NNW of Dolton, McCook County.
Hail e0.88 inch, reported by trained spotter.
Variety of hail sizes, but biggest was nickel sized. Lots of thunder, lightning, and winds up to 45 mph. Plenty of leaves stripped from trees, but no branches down. Quick heavy rain.
07/09/2009 0605 am
2 miles NE of Bridgewater, McCook County.
Hail e1.00 inch, reported by broadcast media.
One inch hail damaged crops... relayed by media
07/09/2009 0220 am
4 miles E of Bridgewater, McCook County.
Hail e1.00 inch, reported by public.
07/09/2009 0145 am
2 miles E of Emery, McCook County.
Hail e1.00 inch, reported by public.
Crops damaged
07/09/2009 0220 am
4 miles E of Bridgewater, McCook County.
Hail e1.00 inch, reported by public.
07/09/2009 0605 am
2 miles NE of Bridgewater, McCook County.
Hail e1.00 inch, reported by broadcast media.
One inch hail damaged crops... relayed by media
07/09/2009 0215 am
2 miles NNW of Dolton, McCook County.
Hail e0.88 inch, reported by trained spotter.
Variety of hail sizes, but biggest was nickel sized. Lots of thunder, lightning, and winds up to 45 mph. Plenty of leaves stripped from trees, but no branches down. Quick heavy rain.
07/09/2009 0215 am
2 miles NNW of Dolton, McCook County.
Hail e0.88 inch, reported by trained spotter.
Variety of hail sizes, but biggest was nickel sized. Lots of thunder, lightning, and winds up to 45 mph. Plenty of leaves stripped from trees, but no branches down. Quick heavy rain.
Public Information Statement
Statement as of 11:01 am CDT on July 9, 2009
... Sioux Falls climate data up to 11 am CDT...
high temperature so far today... . 72 low temperature so far today... . 64 precipitation since midnight... .. 0.23 inches
... Huron climate data up to 11 am CDT...
high temperature so far today... . 73 low temperature so far today... . 68 precipitation since midnight... .. 0.43 inches
... Sioux City climate data up to 11 am CDT...
high temperature so far today... . 73 low temperature so far today... . 65 precipitation since midnight... .. 1.14 inches Missouri River stage... ... ... ... . 17.15 ft