Severe Thunderstorms; Excessive Rainfall; Dangerous Heat; Air Quality Concerns and the Tropics

Wildfire smoke will push into the Midwest, worsening air quality. A frontal system brings severe storms from the Northern Plains to the Mid‑Atlantic the next few days. Heavy Gulf Coast rain is possible as Tropical Depression Two has formed, while monsoonal storms persist in the Southwest with heavy rainfall. Hazardous heat expands from the Plains into the Lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Mostly Cloudy with Haze

81°F

27°C

Humidity	57%
Wind Speed	Vrbl 3 mph
Barometer	30.03 in (1016.2 mb)
Dewpoint	64°F (18°C)
Visibility	3.00 mi
Heat Index	83°F (28°C)
Last update	19 Jul 12:54 pm CDT

More Information:

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

Extended Forecast for

New Hartford IA

Heat Advisory July 20, 12:00pm until July 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

This Afternoon
High: 85 °F
Patchy Smoke
Tonight
Low: 66 °F
Patchy Smoke
Monday
High: 92 °F
Chance
T-storms
Monday Night
Low: 69 °F
Chance
T-storms
Tuesday
High: 81 °F
Sunny and
Breezy
Tuesday Night
Low: 59 °F
Mostly Clear
Wednesday
High: 76 °F
Sunny
Wednesday Night
Low: 56 °F
Partly Cloudy
Thursday
High: 79 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Patchy smoke. Partly sunny, with a high near 85. East southeast wind around 6 mph.

Tonight

Patchy smoke before 1am. Partly cloudy, with a low around 66. Southeast wind 5 to 8 mph.

Monday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 105. South southwest wind 9 to 15 mph, with gusts as high as 22 mph. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy, with a low around 69. Southwest wind 8 to 11 mph becoming west northwest after midnight. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

Sunny, with a high near 81. Breezy, with a north northwest wind 11 to 20 mph, with gusts as high as 29 mph.

Tuesday Night

Mostly clear, with a low around 59.

Wednesday

Sunny, with a high near 76.

Wednesday Night

Partly cloudy, with a low around 56.

Thursday

Mostly sunny, with a high near 79.

Thursday Night

Mostly cloudy, with a low around 60.