Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Fair

84°F

29°C

Humidity	74%
Wind Speed	E 10 mph
Barometer	30.01 in (1015.4 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	92°F (33°C)
Last update	17 Aug 12:54 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles E Clarksville IA

This Afternoon
High: 87 °F
Mostly Sunny
Tonight
Low: 71 °F
Partly Cloudy
then Chance
T-storms
Monday
High: 86 °F
Showers
Likely then
Chance
T-storms
Monday Night
Low: 68 °F
Chance
T-storms
Tuesday
High: 80 °F
Slight Chance
T-storms then
Mostly Sunny
Tuesday Night
Low: 61 °F
Partly Cloudy
Wednesday
High: 78 °F
Mostly Sunny
Wednesday Night
Low: 59 °F
Mostly Clear
Thursday
High: 79 °F
Sunny

Detailed Forecast

This Afternoon

Mostly sunny, with a high near 87. Southeast wind 8 to 10 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 2am. Increasing clouds, with a low around 71. Southeast wind 8 to 10 mph, with gusts as high as 18 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers and thunderstorms before 9am, then showers likely and possibly a thunderstorm between 9am and 10am, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 86. South southeast wind 9 to 11 mph becoming west southwest in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. West southwest wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A slight chance of thunderstorms before 7am. Mostly sunny, with a high near 80. North northwest wind 6 to 10 mph. Chance of precipitation is 10%.

Tuesday Night

Partly cloudy, with a low around 61.

Wednesday

Mostly sunny, with a high near 78.

Wednesday Night

Mostly clear, with a low around 59.

Thursday

Sunny, with a high near 79.

Thursday Night

Mostly clear, with a low around 59.