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.

Partly Cloudy

68°F

20°C

Humidity	84%
Wind Speed	Vrbl 3 mph
Barometer	29.98 in (1014.6 mb)
Dewpoint	63°F (17°C)
Visibility	10.00 mi
Last update	18 Aug 4:54 am CDT

More Information:

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

Extended Forecast for

Cedar Falls IASimilar City Names

Overnight
Low: 66 °F
Chance
Showers
Tuesday
High: 78 °F
Chance
T-storms
Tuesday Night
Low: 62 °F
Chance
T-storms
Wednesday
High: 77 °F
Mostly Sunny
Wednesday Night
Low: 59 °F
Partly Cloudy
Thursday
High: 78 °F
Sunny
Thursday Night
Low: 63 °F
Slight Chance
T-storms then
Chance
Showers
Friday
High: 81 °F
Chance
Showers
Friday Night
Low: 63 °F
Chance
T-storms

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 66. Light south southwest wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78. Southwest wind 6 to 9 mph becoming northwest in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 62. West northwest wind around 5 mph becoming calm in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

Mostly sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 59. Calm wind.

Thursday

Sunny, with a high near 78.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63.

Friday

A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 81.

Friday Night

A 30 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 63.