


News Headlines
Hazardous Weather Conditions
Current conditions at
Waterloo, Waterloo Municipal Airport (KALO)
Lat: 42.55°NLon: 92.4°WElev: 873ft.
Fair and Breezy
85°F
29°C
Humidity | 65% |
Wind Speed | S 22 G 32 mph |
Barometer | 29.86 in (1010.1 mb) |
Dewpoint | 72°F (22°C) |
Visibility | 10.00 mi |
Heat Index | 91°F (33°C) |
Last update | 22 Jun 9:54 am CDT |
Extended Forecast for
Waterloo IA
Heat Advisory June 22, 10:15am until June 22, 09:00pm
NOW until 9:00pm Sun
Heat Advisory
Today
High: 96 °F
Sunny and
WindyTonight
Low: 77 °F
Clear and
WindyMonday
High: 92 °F
Sunny then
Showers
LikelyMonday Night
Low: 69 °F
T-storms then
ShowersTuesday
High: 80 °F
Showers
Tuesday Night
Low: 69 °F
Showers
Wednesday
High: 88 °F
Showers
Likely then
T-storms
LikelyWednesday Night
Low: 70 °F
Chance
T-storms then
Showers
Likely
Detailed Forecast
Today
Sunny, with a high near 96. Heat index values as high as 103. Windy, with a south wind 20 to 23 mph, with gusts as high as 34 mph.
Tonight
Clear, with a low around 77. Windy, with a south southwest wind 16 to 21 mph, with gusts as high as 32 mph.
Monday
Showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 92. South southwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and thunderstorms before 10pm, then showers and possibly a thunderstorm after 10pm. Low around 69. West northwest wind 5 to 8 mph becoming north after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 80. Northeast wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
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
8:45 am CDT Jun 22, 2025
10am CDT Jun 22, 2025-6pm CDT Jun 28, 2025