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Severe Thunderstorms and Flash Flooding Possible

Severe weather will be possible through Monday across the northern and central Plains. Large hail, damaging winds and heavy rain are the main threats. An isolated tornado cannot be ruled out. Across the southern Plains, heavy rainfall could lead to isolated flash flooding with 3 to 4 inches of rainfall possible by Tuesday afternoon.
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Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

60°F

16°C

Humidity 90%
Wind Speed Calm
Barometer 30.13 in (1020.0 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 5 Jul 9:56 pm EDT

Detailed Forecast

Overnight
Clear. Lows in the upper 50s. Light south winds.
Monday
Sunny and warmer with highs ranging from the lower 80s along the lake ontario shore to the mid 80s inland. Light south winds.
Monday Night
Partly cloudy in the evening...then becoming mostly cloudy. Warm with lows in the upper 60s. Light winds...becoming south 10 to 15 mph.
Tuesday
Mostly cloudy with a chance of showers in the morning... Then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs ranging from around 80 along the lake ontario shore to the mid 80s inland. South winds 10 to 15 mph... Becoming southwest. Chance of rain 30 percent.
Tuesday Night
Showers and thunderstorms likely. Muggy with lows in the lower 60s. Southwest winds 10 to 15 mph. Chance of rain 60 percent.
Wednesday
Partly sunny with a chance of showers and thunderstorms. Highs in the lower 70s. Chance of rain 50 percent.
Wednesday Night
Partly cloudy. Lows in the mid 50s.
Thursday
Mostly sunny. Highs in the mid 70s.
Thursday Night
Mostly cloudy. Lows in the upper 50s.
Friday
Mostly sunny. Highs in the mid 70s.
Friday Night
Mostly cloudy. Lows around 60.
Saturday
Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Chance of rain 30 percent.
Saturday Night
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 30 percent.
Sunday
Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Chance of rain 40 percent.
  Click Map For Detailed Forecast
1030 PM EDT SUN JUL 5 2015
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database