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Waterloo Weather Warning NWS WEATHER ALERT FOR THE WATERLOO, IA AREA - Issued: 154 PM CDT Tue Sep 8 2026 Waterloo Weather Warning

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Waterloo, IA Weather - Hour by Hour Forecast

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Waterloo, IA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Rain. Temperature is 72°F22°C, dew point 71°F22°C, humidity 96%. Wind direction is SSE at 8 mph13 km/h with visibility of 5 mi8 km. Barometric pressure is 29.97 in1015 mb.
Tonight - Thunderstorms likely. Showers. Patchy fog after midnight. Locally heavy rainfall possible this evening. Lows in the upper 60s. Sou.. Full Forecast
Wednesday - Patchy fog in the morning. Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny in th.. Full Forecast

Waterloo Hourly Weather

24 Hour Forecast Scroll
Tue, Sep 08
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Waterloo, IA Hourly Weather - Clear - 8:00 PM Waterloo, IA Hourly Weather - Clear - 9:00 PM Waterloo, IA Hourly Weather - Clear - 10:00 PM Waterloo, IA Hourly Weather - Clear - 11:00 PM Waterloo, IA Hourly Weather - Mostly Clear - 12:00 AM Waterloo, IA Hourly Weather - Mostly Clear - 1:00 AM Waterloo, IA Hourly Weather - Mostly Clear - 2:00 AM Waterloo, IA Hourly Weather - Clear - 3:00 AM Waterloo, IA Hourly Weather - Clear - 4:00 AM Waterloo, IA Hourly Weather - Clear - 5:00 AM Waterloo, IA Hourly Weather - Clear - 6:00 AM Waterloo, IA Hourly Weather - Clear - 7:00 AM Waterloo, IA Hourly Weather - Clear - 8:00 AM Waterloo, IA Hourly Weather - Clear - 9:00 AM Waterloo, IA Hourly Weather - Clear - 10:00 AM Waterloo, IA Hourly Weather - Clear - 11:00 AM Waterloo, IA Hourly Weather - Clear - 12:00 PM Waterloo, IA Hourly Weather - Clear - 1:00 PM Waterloo, IA Hourly Weather - Clear - 2:00 PM Waterloo, IA Hourly Weather - Clear - 3:00 PM Waterloo, IA Hourly Weather - Clear - 4:00 PM Waterloo, IA Hourly Weather - Clear - 5:00 PM Waterloo, IA Hourly Weather - Clear - 6:00 PM Waterloo, IA Hourly Weather - Clear - 7:00 PM
Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear
73°F23°C 70°F21°C 66°F19°C 65°F18°C 63°F17°C 62°F17°C 61°F16°C 59°F15°C 58°F14°C 57°F14°C 57°F14°C 56°F13°C 61°F16°C 65°F18°C 70°F21°C 73°F23°C 76°F24°C 79°F26°C 80°F27°C 81°F27°C 82°F28°C 80°F27°C 79°F26°C 77°F25°C
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0% 0% 0% 0% 0% 0% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 2% 0% 0% 0% 0% 0% 0%
59°F15°C 58°F14°C 58°F14°C 57°F14°C 57°F14°C 56°F13°C 55°F13°C 55°F13°C 54°F12°C 54°F12°C 53°F12°C 53°F12°C 54°F12°C 54°F12°C 55°F13°C 55°F13°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 54°F12°C 55°F13°C 55°F13°C
62% 66% 75% 75% 81% 81% 81% 87% 87% 90% 86% 90% 78% 68% 59% 53% 46% 42% 41% 39% 38% 41% 44% 47%
NW NW W WNW NW NW SW SE NNE NE NE NE ENE ENE ENE E E E E ESE SE SE SE SE
4 mph 2 mph 2 mph 2 mph 2 mph 2 mph 2 mph 3 mph 3 mph 3 mph 2 mph 2 mph 2 mph 5 mph 5 mph 5 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph 6 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (CDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
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Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KALO model statistics.

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Prob Precip % = Probability of Precipitation.

Waterloo 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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