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° N Lon: 92.4° W Elev: 873 ft.

Mostly Cloudy

76°F

24°C

Humidity	77%
Wind Speed	SE 10 mph
Barometer	30.08 in (1018.1 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	6 Sep 1:54 pm CDT

More Information:

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

Detailed forecast for

Butler County

This Afternoon

Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the upper 70s. Southeast winds 5 to 10 mph.

Tonight

Mostly cloudy. Humid with lows in the lower 60s. Southeast winds 5 to 10 mph.

Labor Day

Partly sunny. A slight chance of showers in the morning. Highs around 80. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Monday Night

Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Southeast winds around 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Tuesday

Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. South winds 10 to 15 mph. Chance of rain 70 percent.

Tuesday Night

Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 90 percent.

Wednesday

Mostly sunny. Highs around 80.

Wednesday Night

Mostly clear. Lows in the mid 50s.

Thursday

Sunny. Highs in the upper 70s.

Thursday Night

Mostly clear. Lows in the upper 50s.

Friday

Sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent.

Friday Night

Partly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the evening. Lows around 60. Chance of rain 40 percent.