Waterloo Airport (ALO) Weather 08/18/2025
Overnight
72
Chance T-storms
Monday
86
Chance T-storms then Chance Showers
Monday Night
69
Chance T-storms
Tuesday
83
Mostly Sunny
Tuesday Night
61
Mostly Clear
Wednesday
79
Mostly Sunny
Wednesday Night
59
Mostly Clear
Thursday
80
Sunny
Thursday Night
60
Mostly Clear
Friday
82
Mostly Sunny
Friday Night
60
Partly Cloudy
Saturday
77
Sunny
Saturday Night
52
Mostly Clear
Weekly Forecast
Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 72. Southeast wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 40 percent chance of showers and thunderstorms, mainly between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South southeast wind 8 to 11 mph becoming southwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 69. West northwest wind 5 to 8 mph becoming south in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 83. North wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 61. North wind 6 to 10 mph.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 52.