Flash Flood Watch in effect from 10 PM CDT this evening through Friday morning...
Rest of Tonight
Mostly cloudy with a 50 percent chance of thunderstorms...mainly towards midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph becoming northeast after midnight.
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.
Severe Thunderstorm Watch 568 is in effect until 200 am CDT
SD . South Dakota counties included are
Bon Homme Clay Hanson Hutchinson Lincoln McCook Minnehaha Turner Union Yankton
Attn... WFO... dmx... fsd... oax...
Flash Flood Watch
Statement as of 6:14 PM CDT on July 09, 2009
... Flash Flood Watch now in effect from 10 PM CDT this evening through Friday morning...
The Flash Flood Watch is now in effect for
* portions of southwest Minnesota and southeast South Dakota... including the following areas... in southwest Minnesota... Jackson... Nobles and rock. In southeast South Dakota... Bon Homme... Hutchinson... McCook... Minnehaha and Turner.
* From 10 PM CDT this evening through Friday morning
* locally heavy rainfall of 1 to 2 inches is possible later tonight. Rainfall rates of 1 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.
Public Information Statement
Statement as of 5:37 PM CDT on July 9, 2009
... Sioux Falls climate data up to 530 PM CDT...
high temperature so far today... . 79 low temperature so far today... . 64 precipitation since midnight... .. 0.23
... Huron climate data up to 530 PM CDT...
high temperature so far today... . 84 low temperature so far today... . 68 precipitation since midnight... .. 0.43
... Sioux City climate data up to 530 PM CDT...
high temperature so far today... . 82 low temperature so far today... . 65 precipitation since midnight... .. 1.14 Missouri River stage... ... ... ... . 17.87