Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. 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

72°F

22°C

Humidity	76%
Wind Speed	S 3 mph
Barometer	30.01 in (1015.8 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	17 Aug 8:54 pm CDT

More Information:

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

Extended Forecast for

Waverly IA

Tonight
Low: 63 °F
Partly Cloudy
then Slight
Chance
T-storms
Tuesday
High: 77 °F
Showers
Likely
Tuesday Night
Low: 60 °F
Chance
Showers then
Partly Cloudy
Wednesday
High: 76 °F
Mostly Sunny
Wednesday Night
Low: 58 °F
Partly Cloudy
Thursday
High: 77 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 61 °F
Chance
T-storms
Friday
High: 78 °F
Chance
Showers
Friday Night
Low: 61 °F
Chance
Showers

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 63. South southwest wind 5 to 7 mph.

Tuesday

Showers and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 77. South southwest wind around 8 mph becoming west northwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 11pm. Partly cloudy, with a low around 60. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Mostly sunny, with a high near 76. Light north wind.

Wednesday Night

Partly cloudy, with a low around 58. Calm wind.

Thursday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 77.

Thursday Night

A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 61.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

Friday Night

A 40 percent chance of showers before 1am. Partly cloudy, with a low around 61.