Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. 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

75°F

24°C

Humidity	76%
Wind Speed	SE 9 mph
Barometer	30.04 in (1016.7 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	6 Sep 3:54 pm CDT

More Information:

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

Extended Forecast for

Waterloo IA

This Afternoon
High: 80 °F
Mostly Cloudy
Tonight
Low: 63 °F
Mostly Cloudy
Labor Day
High: 81 °F
Partly Sunny
Monday Night
Low: 64 °F
Partly Cloudy
Tuesday
High: 87 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 68 °F
Showers
Wednesday
High: 82 °F
Mostly Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Thursday
High: 78 °F
Sunny

Detailed Forecast

This Afternoon

Mostly cloudy, with a high near 80. East southeast wind around 8 mph.

Tonight

Mostly cloudy, with a low around 63. Southeast wind 6 to 9 mph.

Labor Day

Partly sunny, with a high near 81. Southeast wind 9 to 13 mph, with gusts as high as 20 mph.

Monday Night

Partly cloudy, with a low around 64. South southeast wind 11 to 14 mph, with gusts as high as 20 mph.

Tuesday

A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 87. South southeast wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and possibly a thunderstorm. Low around 68. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

Mostly sunny, with a high near 82.

Wednesday Night

Mostly clear, with a low around 58.

Thursday

Sunny, with a high near 78.

Thursday Night

Clear, with a low around 58.

Friday

Sunny, with a high near 82.

Friday Night

A 40 percent chance of showers. Mostly clear, with a low around 62.