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° N Lon: 92.4° W Elev: 873 ft.

Fair

75°F

24°C

Humidity	84%
Wind Speed	E 7 mph
Barometer	29.95 in (1013.5 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	17 Aug 7:54 pm CDT

More Information:

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

Detailed forecast for

Butler County

Tonight

Partly cloudy this evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Southeast winds 5 to 10 mph. Chance of rain 40 percent.

Monday

Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Humid with highs in the mid 80s. South winds 5 to 10 mph with gusts up to 20 mph, becoming southwest in the afternoon. Chance of rain 50 percent.

Monday Night

Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Humid with lows in the upper 60s. West winds 5 to 10 mph. Chance of rain 30 percent.

Tuesday

Mostly sunny. Humid with highs in the lower 80s. North winds 5 to 10 mph.

Tuesday Night

Mostly clear. Humid with lows around 60. North winds 5 to 10 mph.

Wednesday

Sunny. Highs in the upper 70s.

Wednesday Night

Mostly clear. Lows in the upper 50s.

Thursday

Sunny. Highs in the upper 70s.

Thursday Night

Mostly clear. Lows in the upper 50s.