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July 20, 2026 - Tornado Track Update

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Waterloo, Waterloo Municipal Airport (KALO)

Lat: 42.55°NLon: 92.4°WElev: 873ft.

Partly Cloudy

66°F

19°C

Humidity	93%
Wind Speed	N 5 mph
Barometer	30.03 in (1016.6 mb)
Dewpoint	64°F (18°C)
Visibility	9.00 mi
Last update	4 Aug 10:54 pm CDT

More Information:

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

Extended Forecast for

Parkersburg IA

Tonight
Low: 59 °F
T-storms
Wednesday
High: 75 °F
Chance
Showers then
Mostly Sunny
Wednesday Night
Low: 53 °F
Increasing
Clouds
Thursday
High: 79 °F
Becoming
Sunny
Thursday Night
Low: 59 °F
Mostly Clear
Friday
High: 82 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 62 °F
Slight Chance
T-storms
Saturday
High: 82 °F
Sunny
Saturday Night
Low: 65 °F
Chance
Showers

Detailed Forecast

Tonight

Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 59. North wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

A chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Partly sunny, with a high near 75. Calm wind becoming north northeast around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Increasing clouds, with a low around 53. Light north wind.

Thursday

Partly sunny, then gradually becoming sunny, with a high near 79. Light and variable wind.

Thursday Night

Mostly clear, with a low around 59. Light south southeast wind.

Friday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.

Friday Night

A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 62.

Saturday

Sunny, with a high near 82.