... 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.