Observed 11:05 AM CDT at KALO

Waterloo, IA weather

Sunny and 66°19°, 17°9° warmer than a typical Oct 24.

Mostly agree

Now 66°19°

Sunny

Wind: 14 mph22 km/h; From the south. 610–14 mph22 km/h through 11 PM
Dew point: 50°10°; Comfortable
UV index: 2Low; Moderate 12–3 PM · peak 3
Pressure: 30.27 inHg1025 hPa; Steady over the last 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

About the same as this time yesterday (67°19° then, 66°19° now)

Good hours for

High 75°24° today at 3 PM
Low 54°12° tomorrow at 7 AM
Above 60°16° tomorrow by 10 AM

This afternoonUp to 75°24° by 3 PM · Partly cloudy
TonightDown to 56°13° by 5 AM · Mostly cloudy
Tomorrow morningUp to 65°18° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 73°23° by 3 PM · Mostly cloudy
Tomorrow nightDown to 50°10° by 5 AM · Mostly cloudy
Monday morningUp to 56°13° by 10 AM · Mostly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 11a	Mostly sunny	65°18° (likely 64°18° to 66°19°)	65°18°	0%	10 mph16 km/h from S, gusts 22 mph35 km/h	63%	27%	2
Sat 12p	Mostly sunny	69°21° (likely 67°19° to 70°21°)	69°21°	0%	12 mph19 km/h from S, gusts 20 mph32 km/h	53%	17%	3
Sat 1p	Sunny	72°22° (likely 70°21° to 73°23°)	72°22°	0%	12 mph19 km/h from S, gusts 20 mph32 km/h	46%	21%	3
Sat 2p	Sunny	74°23° (likely 71°22° to 75°24°)	74°23°	0%	12 mph19 km/h from S, gusts 20 mph32 km/h	44%	19%	3
Sat 3p	Partly sunny	75°24° (likely 72°22° to 76°24°)	75°24°	0%	12 mph19 km/h from S, gusts 20 mph32 km/h	41%	26%	2
Sat 4p	Cloudy	74°23° (likely 72°22° to 76°24°)	74°23°	0%	12 mph19 km/h from S, gusts 19 mph31 km/h	43%	64%	1
Sat 5p	Mostly cloudy	73°23° (likely 70°21° to 75°24°)	73°23°	0%	10 mph16 km/h from S, gusts 19 mph30 km/h	46%	59%	0
Sat 6p	Mostly cloudy	72°22° (likely 67°19° to 72°22°)	72°22°	0%	9 mph14 km/h from S, gusts 16 mph26 km/h	48%	71%	0
Sat 7p	Cloudy	68°20° (likely 65°18° to 69°21°)	68°20°	0%	7 mph11 km/h from S, gusts 16 mph26 km/h	57%	68%	0
Sat 8p	Cloudy	66°19° (likely 64°18° to 66°19°)	66°19°	0%	7 mph11 km/h from S, gusts 14 mph22 km/h	61%	74%	0
Sat 9p	Cloudy	64°18° (likely 62°17° to 64°18°)	64°18°	0%	7 mph11 km/h from S, gusts 14 mph23 km/h	65%	75%	0
Sat 10p	Cloudy	63°17° (likely 61°16° to 63°17°)	63°17°	0%	7 mph11 km/h from S, gusts 14 mph23 km/h	70%	75%	0
Sat 11p	Cloudy	62°17° (likely 60°16° to 62°17°)	62°17°	0%	6 mph10 km/h from SSW, gusts 14 mph22 km/h	70%	78%	0
Sun 12a	Cloudy	60°16° (likely 59°15° to 61°16°)	60°16°	0%	6 mph10 km/h from SW, gusts 12 mph20 km/h	75%	81%	0
Sun 1a	Cloudy	59°15° (likely 58°14° to 60°16°)	59°15°	0%	5 mph8 km/h from SW, gusts 11 mph18 km/h	78%	81%	0
Sun 2a	Cloudy	58°14° (likely 57°14° to 59°15°)	58°14°	0%	5 mph8 km/h from W, gusts 6 mph10 km/h	77%	80%	0
Sun 3a	Cloudy	57°14° (likely 56°13° to 57°14°)	57°14°	5%	3 mph5 km/h from NW, gusts 4 mph7 km/h	83%	80%	0
Sun 4a	Cloudy	57°14° (likely 55°13° to 57°14°)	57°14°	5%	3 mph5 km/h from NNW, gusts 5 mph8 km/h	80%	81%	0
Sun 5a	Cloudy	56°13° (likely 53°12° to 56°13°)	56°13°	5%	2 mph3 km/h from N, gusts 6 mph9 km/h	83%	80%	0
Sun 6a	Cloudy	55°13° (likely 52°11° to 55°13°)	55°13°	0%	2 mph3 km/h from NNE, gusts 7 mph11 km/h	86%	79%	0
Sun 7a	Cloudy	54°12° (likely 51°11° to 54°12°)	54°12°	0%	2 mph3 km/h from NNE, gusts 7 mph12 km/h	90%	78%	0
Sun 8a	Cloudy	54°12° (likely 50°10° to 54°12°)	54°12°	0%	2 mph3 km/h from NE, gusts 8 mph13 km/h	86%	77%	0
Sun 9a	Cloudy	56°13° (likely 53°12° to 57°14°)	56°13°	0%	2 mph3 km/h from S, gusts 10 mph17 km/h	80%	77%	0
Sun 10a	Cloudy	61°16° (likely 57°14° to 61°16°)	61°16°	0%	2 mph3 km/h from S, gusts 10 mph16 km/h	70%	77%	1
Sun 11a	Cloudy	65°18° (likely 60°16° to 65°18°)	65°18°	0%	2 mph3 km/h from S, gusts 8 mph12 km/h	60%	74%	2
Sun 12p	Cloudy	68°20° (likely 62°17° to 68°20°)	68°20°	0%	2 mph3 km/h from S, gusts 8 mph12 km/h	57%	76%	3
Sun 1p	Cloudy	70°21° (likely 64°18° to 70°21°)	70°21°	0%	2 mph3 km/h from S, gusts 6 mph10 km/h	55%	76%	4
Sun 2p	Cloudy	72°22° (likely 65°18° to 72°22°)	72°22°	0%	2 mph3 km/h from SSW, gusts 7 mph11 km/h	51%	76%	3
Sun 3p	Cloudy	73°23° (likely 66°19° to 73°23°)	73°23°	0%	2 mph3 km/h from SSW, gusts 7 mph11 km/h	49%	77%	3
Sun 4p	Cloudy	73°23° (likely 66°19° to 73°23°)	73°23°	0%	2 mph3 km/h from S, gusts 7 mph11 km/h	49%	78%	2
Sun 5p	Cloudy	72°22° (likely 66°19° to 72°22°)	72°22°	0%	2 mph3 km/h from NE, gusts 7 mph11 km/h	49%	79%	1
Sun 6p	Cloudy	70°21° (likely 63°17° to 70°21°)	70°21°	0%	3 mph5 km/h from NE, gusts 10 mph16 km/h	51%	79%	0
Sun 7p	Cloudy	66°19° (likely 59°15° to 66°19°)	66°19°	0%	5 mph8 km/h from ENE, gusts 13 mph20 km/h	58%	80%	0
Sun 8p	Cloudy	62°17° (likely 57°14° to 62°17°)	62°17°	0%	6 mph10 km/h from NE, gusts 14 mph22 km/h	67%	75%	0
Sun 9p	Cloudy	60°16° (likely 56°13° to 61°16°)	60°16°	0%	7 mph11 km/h from NE, gusts 15 mph24 km/h	69%	72%	0
Sun 10p	Cloudy	58°14° (likely 53°12° to 60°16°)	58°14°	0%	7 mph11 km/h from NE, gusts 13 mph20 km/h	75%	63%	0
Sun 11p	Cloudy	56°13° (likely 52°11° to 58°14°)	56°13°	0%	7 mph11 km/h from NE, gusts 11 mph18 km/h	77%	65%	0
Mon 12a	Cloudy	55°13° (likely 51°11° to 57°14°)	55°13°	0%	7 mph11 km/h from NE, gusts 12 mph19 km/h	74%	67%	0
Mon 1a	Cloudy	54°12° (likely 50°10° to 56°13°)	54°12°	0%	7 mph11 km/h from NE, gusts 11 mph18 km/h	66%	75%	0
Mon 2a	Cloudy	53°12° (likely 50°10° to 55°13°)	53°12°	0%	7 mph11 km/h from NE, gusts 14 mph22 km/h	66%	74%	0
Mon 3a	Cloudy	52°11° (likely 49°9° to 53°12°)	52°11°	0%	7 mph11 km/h from NE, gusts 13 mph20 km/h	66%	77%	0
Mon 4a	Cloudy	51°11° (likely 48°9° to 52°11°)	51°11°	0%	7 mph11 km/h from NE, gusts 13 mph20 km/h	68%	77%	0
Mon 5a	Cloudy	50°10° (likely 48°9° to 52°11°)	47°8°	0%	7 mph11 km/h from NE, gusts 11 mph18 km/h	71%	83%	0
Mon 6a	Cloudy	50°10° (likely 49°9° to 53°12°)	47°8°	0%	7 mph11 km/h from NE, gusts 13 mph21 km/h	71%	90%	0
Mon 7a	Cloudy	50°10° (likely 49°9° to 53°12°)	47°8°	5%	7 mph11 km/h from NE, gusts 15 mph25 km/h	71%	85%	0
Mon 8a	Cloudy	51°11° (likely 48°9° to 54°12°)	51°11°	5%	7 mph11 km/h from ENE, gusts 13 mph22 km/h	71%	85%	0
Mon 9a	Cloudy	53°12° (likely 51°11° to 56°13°)	53°12°	5%	8 mph13 km/h from ENE, gusts 14 mph22 km/h	71%	79%	0
Mon 10a	Cloudy	56°13° (likely 53°12° to 58°14°)	56°13°	5%	8 mph13 km/h from ENE, gusts 15 mph25 km/h	66%	86%	1

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 76°24°, low 54°12°. Typical 59°15° / 37°3°. Dry. Mostly agree.
1. Afternoon
  noon–6 PM
  Partly sunny, 75°24°
  Dry
2. Evening
  6 PM–midnight
  Cloudy, 66°19°
  Dry
3. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  Dry
Official NWS forecast
Today: Mostly sunny. High near 76, with temperatures falling to around 73 in the afternoon. South wind around 12 mph, with gusts as high as 20 mph.
Tonight: Mostly cloudy. Low around 54, with temperatures rising to around 56 overnight. West southwest wind 2 to 9 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
72°22°–76°24°
Low, likely
54°12°–56°13°
Typical high / low
59°15° / 37°3°
Wind
13 mph21 km/h, gusts 24 mph38 km/h
UV peak
4
Tomorrow, Oct 25. Mostly cloudy. High 73°23°, low 49°9°. Typical 58°14° / 37°3°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 73°23°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Official NWS forecast
Day: Partly sunny, with a high near 73. East southeast wind around 2 mph.
Night: Mostly cloudy, with a low around 49. Northeast wind 3 to 7 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
67°19°–73°23°
Low, likely
49°9°–52°11°
Typical high / low
58°14° / 37°3°
Wind
9 mph14 km/h, gusts 21 mph33 km/h
UV peak
4
Monday, Oct 26. Mostly cloudy. High 65°18°, low 48°9°. Typical 58°14° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 51°11°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly cloudy, with a high near 65. East northeast wind around 9 mph.
Night: Mostly cloudy, with a low around 48.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–69°21°
Low, likely
48°9°–52°11°
Typical high / low
58°14° / 36°2°
Wind
11 mph18 km/h, gusts 27 mph44 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 67°19°, low 52°11°. Typical 57°14° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 62°17°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  20% chance · 0.01 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 67.
Night: A slight chance of rain showers after 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
65°18°–71°22°
Low, likely
52°11°–54°12°
Typical high / low
57°14° / 36°2°
Wind
13 mph20 km/h, gusts 26 mph41 km/h
UV peak
3
Wednesday, Oct 28. Showers. High 71°22°, low 47°8°. Typical 57°14° / 35°2°. Rain 0.06 in1.5 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 59°15°
  20% chance
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 64°18°
  20% chance · 0.02 in0.4 mm
4. Overnight
  midnight–6 AM
  Showers, 60°16°
  20% chance · 0.14 in3.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 71. Chance of precipitation is 30%.
Night: A slight chance of rain showers. Partly cloudy, with a low around 47.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
70°21°–73°23°
Low, likely
47°8°–60°16°
Typical high / low
57°14° / 35°2°
Wind
15 mph24 km/h, gusts 34 mph55 km/h
UV peak
4
Thursday, Oct 29. Showers. High 66°19°, low 47°8°. Typical 56°13° / 35°2°. Rain 0.23 in5.8 mm, 20% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 60°16°
  20% chance · 0.09 in2.4 mm
2. Afternoon
  noon–6 PM
  Partly sunny, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 60°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  20% chance · 0.01 in0.3 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers. Mostly sunny, with a high near 66.
Night: A chance of rain showers. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
64°18°–72°22°
Low, likely
47°8°–59°15°
Typical high / low
56°13° / 35°2°
Wind
12 mph19 km/h, gusts 29 mph47 km/h
Friday, Oct 30. Showers. High 65°18°, low 47°8°. Typical 56°13° / 34°1°. Rain 0.09 in2.3 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  30% chance · 0.02 in0.6 mm
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  30% chance · 0.02 in0.4 mm
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  30% chance
4. Overnight
  midnight–6 AM
  Cloudy, 60°16°
  40% chance · 0.01 in0.4 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Partly sunny, with a high near 65. Chance of precipitation is 40%.
Night: A chance of rain showers. Mostly cloudy, with a low around 47.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–76°24°
Low, likely
47°8°–62°17°
Typical high / low
56°13° / 34°1°
Wind
14 mph23 km/h, gusts 34 mph55 km/h
Saturday, Oct 31. Rain. High 67°19°, low 59°15°. Typical 55°13° / 34°1°. Rain 0.17 in4.3 mm, 60% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 61°16°
  50% chance
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  50% chance
3. Evening
  6 PM–midnight
  Rain, 62°17°
  50% chance · 0.1 in2.5 mm
4. Overnight
  midnight–6 AM
  Drizzle, 61°16°
  50% chance · 0.05 in1.2 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
61°16°–73°23°
Low, likely
52°11°–68°20°
Typical high / low
55°13° / 34°1°
Wind
17 mph28 km/h, gusts 36 mph58 km/h
UV peak
1
Sunday, Nov 1. Showers. High 63°17°, low 54°12°. Typical 55°13° / 34°1°. Rain 0.49 in12 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 61°16°
  50% chance · 0.21 in5.3 mm
2. Afternoon
  noon–6 PM
  Showers, 62°17°
  30% chance · 0.2 in5.2 mm
3. Evening
  6 PM–midnight
  Showers, 60°16°
  30% chance · 0.08 in2 mm
4. Overnight
  midnight–6 AM
  Drizzle, 53°12°
  30% chance · 0.11 in2.7 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
58°14°–67°19°
Low, likely
49°9°–59°15°
Typical high / low
55°13° / 34°1°
Wind
17 mph27 km/h, gusts 35 mph57 km/h
Monday, Nov 2. Showers. High 60°16°, low 51°11°. Typical 54°12° / 33°1°. Rain 0.32 in8.1 mm, 40% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 52°11°
  30% chance · 0.11 in2.7 mm
2. Afternoon
  noon–6 PM
  Drizzle, 56°13°
  30% chance · 0.03 in0.7 mm
3. Evening
  6 PM–midnight
  Drizzle, 56°13°
  30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
56°13°–66°19°
Low, likely
45°7°–62°17°
Typical high / low
54°12° / 33°1°
Wind
27 mph44 km/h, gusts 46 mph74 km/h
UV peak
3

10 days15 days30 days

The outlook

Today
Dry, high 76°, low 54°.
Tomorrow
Dry, high 73°, low 49°, cooling off.
Monday
Dry, high 65°, low 48°, cooling off.
Rest of week
Highs 60–71°; chance of precipitation on Friday, Saturday, Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (DMX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Cedar River at Waterloo

0.9 mi

Below flood stage

Level: 6.9 ft
Flow: 4,860 cfs

Reading from Sat 10 AM · NWS gauge page

Cedar River at Cedar Falls

5.6 mi

Below flood stage

Level: 81.0 ft
Flow: 4,270 cfs

Reading from Sat 9:45 AM · NWS gauge page

Black Hawk Creek at Hudson

8.1 mi

Below flood stage

Level: 8.1 ft
Flow: 495 cfs

Reading from Sat 9:45 AM · NWS gauge page

Cedar River at Janesville

12 mi

Below flood stage

Level: 2.5 ft
Flow: 1,700 cfs

Reading from Sat 9:45 AM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 92% less heating than a typical week.

This week 11Typical 130

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 50°F).

Open the windows?

Today, 12:00 PM–12:00 AM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Waterloo Municipal Airport · official normals 1991–2020 · records 1895–2026

Oct 24, today vs a typical year

Today’s expected high is 17°9° warmer than typical.

Last 7 days vs normal

On average 7°4° warmer than normal (daily mean temperature).

+3°+2°SunOct 18
+3°+2°MonOct 19
+3°+1°TueOct 20
+9°+5°WedOct 21
+12°+7°ThuOct 22
+15°+8°FriOct 23
—SatOct 24

Waterloo weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 40 min; Losing 2 min 39 s a day; shortest Dec 21, 1 h 36 min less
Golden hour: 5:34–6:30 PM; Morning 7:15–8:12 AM
Blue hour: 6:30–6:42 PM; Morning 7:04–7:15 AM; first light 7:04 AM

Stars tonight? Poor

Clouds most of the night (about 77% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:46 AM · rises 5:11 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Waterloo. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Waterloo, IA weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Cedar River at Waterloo

Cedar River at Cedar Falls

Black Hawk Creek at Hudson

Cedar River at Janesville

For your home

Heating this week

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon