What is today's weather forecast for Waterloo, IA?

Today's forecast for Waterloo shows a high of 26 degrees and a low of 24 degrees Fahrenheit. Mostly cloudy, with a high near 26.

What is the 7-day weather forecast for Waterloo, IA?

The 7-day forecast for Waterloo shows highs from 7 to 39 degrees and lows from -7 to 24 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Waterloo, IA this week?

Yes, rain is possible in Waterloo this week. Precipitation chances: Tuesday (30% chance), Wednesday (20% chance), Thursday (30% chance).

How accurate is the Waterloo weather forecast?

WeatherForYou provides highly accurate Waterloo forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Waterloo, IA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

19°F
Feels Like 15°F

Humidity 96% Dew Point 18°F Wind WNW 3 MPH Gusts 3 Barometer 29.88 in.

Report from a personal weather station 1.4 mi. SSW of central Waterloo
at 5:27 AM Sun, Dec 7, 2025

Point Forecast at a Glance

SunDec 7

MonDec 8

TueDec 9

WedDec 10

ThuDec 11

30%

FriDec 12

-7

SatDec 13

7-Day Temperature Trend

Week Ahead Summary

High temperatures start near 26°F, reaching 39°F before cooling to 7°F, then recovering to 7°F by week's end. Unsettled weather expected with snow likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 10°F below the historical average for December. Normal highs for this period are around 32°F with lows around 15°F.

This Date in Weather History

1987 - Heavy rain fell across eastern Puerto Rico, with 19.41 inches reported at Las Piedras. Flooding caused five million dollars damage. Another in a series of storms hit the northwestern U.S., with wind gusts above 100 mph reported at Cape Blanco OR. While snow and gusty winds accompanied a cold front crossing the Rockies, strong westerly winds, gusting to 93 mph at Boulder CO, helped temperatures in western Kansas reach the 60s for the sixth day in a row. Freezing drizzle in northeastern slowed traffic to 5 mph on some roads in Morrow County.

Waterloo, IA 7 Day Weather Forecast Details

Sunday Dec 7

Day: Sunny, with a temperature falling to around 6 by 5pm. Wind chill values as low as -5. North wind 7 to 13 mph, with gusts as high as 21 mph.

Night: A 20 percent chance of snow after 1am. Increasing clouds, with a temperature falling to near 0 by 8pm, then rising to around 9 during the remainder of the night. Wind chill values as low as -10. North wind around 6 mph becoming calm.

Monday Dec 8

Day: Mostly cloudy, with a high near 26. Wind chill values as low as zero. South wind 5 to 11 mph, with gusts as high as 18 mph.

Night: Mostly cloudy, with a steady temperature around 24. Wind chill values as low as 10. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 20 mph.

Tuesday Dec 9

Day: Mostly cloudy, with a high near 39. West wind 8 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.

Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 23. Windy.

Wednesday Dec 10

Day: Mostly cloudy, with a high near 31. Windy.

Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 12.

Thursday Dec 11

Day: A 30 percent chance of snow. Mostly cloudy, with a high near 20.

Night: Mostly cloudy, with a low around 0.

Friday Dec 12

Day: Partly sunny and cold, with a high near 7.

Night: Mostly cloudy, with a low around -7.

Saturday Dec 13

Day: Partly sunny and cold, with a high near 7.

About Waterloo, IA

Waterloo is a city in and the county seat of Black Hawk County, Iowa, United States. It is the eighth-most populous city in Iowa, with a population of 67,314 at the 2020 census. Waterloo comprises a twin conurbation with neighboring municipality Cedar Falls, and is the larger of the two cities. The Waterloo – Cedar Falls metropolitan area has an estimated 170,000 residents. Waterloo is a major manufacturing, commercial, and cultural center in Northeast Iowa. Locally known as the "Factory City," John Deere brand agricultural machinery has been produced in the city for over a century. Waterloo is bisected by the Cedar River flowing southeastward.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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