Wind Advisory in effect from 1 am to 12 PM CDT Sunday... Light to moderate showers continue across the area with a band of heavier showers extending from near Denison to near Fort Dodge. Rainfall rates in the area of heavier showers is up to two tenths to one quarter inch per two hours. Over the next one to two hours...expect up to a quarter of an inch of rain at some locations. The showers are moving to the northeast at 40 mph. There were isolated thunderstorms stretching from the Bedford to Mount Ayr to Leon area. The wind remain from the east for now with winds of 10 to 20 mph and will increase during the evening hours to 15 to 25 mph. However...after midnight tonight the wind is expected to increase rapidly from the north resulting in wind gusts in excess of 45 mph at times.
Forecast for Hamilton
Updated: 3:56 am CDT on May 10, 2008
Flood Watch in effect from this evening through Sunday afternoon...
Today
Cloudy. A slight chance of showers in the morning...then showers in the afternoon. High in the lower 60s. Southeast wind 5 to 15 mph. Chance of showers 90 percent.
Showers and isolated thunderstorms in the evening...then rain after midnight. Windy. Precipitation may be heavy at times. Low in the mid 40s. Northeast wind 10 to 20 mph with gusts to around 35 mph increasing to north 20 to 30 mph with gusts to around 45 mph after midnight. Chance of precipitation near 100 percent.
Sunday
Cloudy with a chance of rain in the morning...then partly sunny with a slight chance of showers in the afternoon. Windy. High in the mid 50s. North wind 25 to 30 mph with gusts to around 45 mph shifting to the northwest 15 to 25 mph with gusts to around 35 mph in the afternoon. Chance of precipitation 50 percent.
Partly cloudy. Low around 40. North wind 5 to 15 mph. Gusts up to 30 mph in the evening.
Monday
Mostly sunny. Breezy...warmer. High in the upper 60s. Southeast wind 5 to 15 mph with gusts to around 25 mph increasing to south 15 to 25 mph with gusts to around 35 mph in the afternoon.
... Flash Flood Watch in effect from 7 PM CDT this evening through Sunday morning... ... Flood Watch is cancelled...
The National Weather Service in Des Moines has issued a
* Flash Flood Watch for Boone... Dallas... Grundy... Hamilton Hardin... Jasper... Marshall... Polk... Poweshiek... story... Tama and Webster... Black Hawk... Madison... Mahaska... Marion Warren... Adair... Cass... Audubon... Calhoun... Carroll Crawford... Greene... Guthrie and SAC.
* From 7 PM CDT this evening through Sunday morning
* expect showers and thunderstorms to increase in coverage this evening and continue overnight. Numerous rounds of precipitation are expected with the potential for very heavy rainfall to occur. Rainfall amounts of one and one half to three inches are possible. These rainfall amounts over a short period of time will cause flash flooding across the area. In addition... numerous streams including the Des Moines... Iowa... Cedar and south Skunk River basins are already at elevated flow levels and could again exceed flood stage depending on where the heaviest rains materialize.
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.
The Flood Watch for portions of central Iowa... northeast Iowa... south central Iowa... southwest Iowa and west central Iowa has been cancelled.
Wind Advisory
Statement as of 3:35 PM CDT on May 10, 2008
... Wind Advisory in effect from 1 am to 12 PM CDT Sunday...
The National Weather Service in Des Moines has issued a Wind Advisory... which is in effect from 1 am to 12 PM CDT Sunday.
Expect strong northwest winds to develop late tonight with winds increasing to 25 to 35 mph. Wind gusts to 45 mph are possible. The gusty winds will continue into Sunday morning before diminishing.
A Wind Advisory means that sustained winds of 30 mph are expected. Winds this strong can make travel difficult... especially for high profile vehicles. Extra caution is advised.
