1-4 Inches Rain Expected, Flash Flood Warning Issued

WISCONSIN — The National Weather Service is reporting that heavy rainfall and thunderstorms are expected today and tonight. A Flash Flood Watch is in effect from 4 p.m. this afternoon through the overnight hours. This has been expanded to cover more but not all of southern Wisconsin. One to three inches of rain is forecast with local four-inch totals possible. The potential exists for the heavy rain to stall out across the I-94 corridor and affect the same areas that received heavy rains at the end of last week.

The NWS says there is a high swim risk today and tonight for dangerous currents on the beaches of Lake Michigan. A Beach Hazards Statement is in effect. Waves around four feet are expected.

Location

Portions of east central Wisconsin, south central Wisconsin, and southeast Wisconsin, including the following areas, in east central Wisconsin, Fond Du Lac and Sheboygan. In south central Wisconsin, Columbia, Dane, Green, Iowa, Lafayette, Rock, and Sauk. In southeast Wisconsin, Dodge, Jefferson, Milwaukee, Ozaukee, Washington, and Waukesha.

Timing

From 5 p.m. this afternoon through Tuesday morning.

Rainfall

Periods of moderate to heavy rainfall from late this afternoon into Tuesday morning. 1 to 3 inches of rainfall is expected, but localized amounts of 4 inches or more are possible over southern Wisconsin.

Flash Flooding

Flash flooding in urban areas will be possible if 2 to 4 inches of rain or more falls in a short period of time. Flash flooding will be possible in rural areas that have already received several inches of rain last week.

1pm - Mostly Cloudy, 78°

Chance of precipitation: 0%. Wind 13 mph from the ESE.

2pm - Mostly Cloudy, 79°

Chance of rain: 8%. Wind 14 mph from the ESE.

3pm - Mostly Cloudy, 79°

Chance of rain: 11%. Wind 15 mph from the E.

4pm - Mostly Cloudy, 78°

Chance of rain: 14%. Wind 15 mph from the E.

5pm - Mostly Cloudy, 77°

Chance of rain: 19%. Wind 15 mph from the E.

6pm - Light Rain, 76°

Chance of rain: 31%. Wind 14 mph from the E.

7pm - Rain and Breezy, 74°

Chance of rain: 47%. Wind 16 mph from the E.

8pm - Rain and Breezy, 73°

Chance of rain: 47%. Wind 16 mph from the E.

9pm - Rain and Breezy, 72°

Chance of rain: 56%. Wind 16 mph from the ENE.

10pm - Rain, 73°

Chance of rain: 59%. Wind 14 mph from the E.

11pm - Heavy Rain, 72°

Chance of rain: 68%. Wind 14 mph from the ENE.

12am - Rain, 71°

Chance of rain: 68%. Wind 14 mph from the E.

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Image Via NOAA/Sullivan