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.

Mostly Cloudy

86°F

30°C

Humidity	77%
Wind Speed	E 9 mph
Barometer	29.97 in (1014.2 mb)
Dewpoint	78°F (26°C)
Visibility	10.00 mi
Heat Index	98°F (37°C)
Last update	17 Aug 2:54 pm CDT

More Information:

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

Extended Forecast for

3 Miles SSW Dike IA

This Afternoon
High: 89 °F
Sunny
Tonight
Low: 72 °F
Partly Cloudy
then Chance
T-storms
Monday
High: 87 °F
Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms
Tuesday
High: 83 °F
Mostly Sunny
Tuesday Night
Low: 61 °F
Mostly Clear
Wednesday
High: 79 °F
Sunny
Wednesday Night
Low: 59 °F
Mostly Clear
Thursday
High: 79 °F
Sunny

Detailed Forecast

This Afternoon

Sunny, with a high near 89. Heat index values as high as 103. South southeast wind 6 to 8 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 72. Southeast wind 6 to 9 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 87. South southeast wind 8 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly between 7pm and 1am. Partly cloudy, with a low around 69. West northwest wind around 7 mph becoming south in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Mostly sunny, with a high near 83. North wind 6 to 9 mph.

Tuesday Night

Mostly clear, with a low around 61.

Wednesday

Sunny, with a high near 79.

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.