News Headlines
Hazardous Weather Conditions
Current conditions at
Waterloo, Waterloo Municipal Airport (KALO)
Lat: 42.55°NLon: 92.4°WElev: 873ft.
Light Rain
66°F
19°C
| Humidity | 75% |
| Wind Speed | S 18 G 28 mph |
| Barometer | 29.67 in (1004.1 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 16 May 12:54 am CDT |
Extended Forecast for
Waterloo IA
Overnight

Low: 60 °F
Severe
ThunderstormsSaturday

High: 84 °F
Mostly Sunny
Saturday Night

Low: 60 °F
Chance
T-stormsSunday
High: 85 °F
Showers
Likely and
WindySunday Night
Low: 63 °F
Chance
T-storms and
Windy then
Showers
Likely and
BreezyMonday

High: 84 °F
Showers and
BreezyMonday Night

Low: 58 °F
Showers and
BreezyTuesday

High: 71 °F
Partly Sunny
and BreezyTuesday Night
Low: 44 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Detailed Forecast
Overnight
A 50 percent chance of showers and thunderstorms, mainly before 3am. Some of the storms could be severe. Mostly cloudy, with a low around 60. Southwest wind 3 to 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 60. East wind 8 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 85. Windy, with a south wind 14 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 63. Windy, with a south wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. High near 84. Breezy. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 58. Breezy. Chance of precipitation is 90%.
Tuesday
Partly sunny, with a high near 71. Breezy.
Tuesday Night
Mostly cloudy, with a low around 44. Breezy.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 74.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Waterloo IA
42.49°N 92.35°W
42.49°N 92.35°W
1:27 am CDT May 16, 2026
1am CDT May 16, 2026-6pm CDT May 22, 2026



