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Current weather in Knierim is broken clouds.

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Weather data for Knierim is updated regularly with the latest available observations and forecasts.

Now · 10:17 AM

Knierim Weather & Hourly Forecast

United States · Iowa · 50552

77°F

Mostly cloudy

Feels like: 78°F

💧 Humidity 75% 🌡 Pressure 29.94 inHg 💨 Wind 10 mph 👁 Visibility 21.0 mi ☁ Clouds 88% ☀️ UV index 2.5 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Knierim

Today

11:00 AM

Partly cloudy

81° 💧 0.000 in 💨 10 mph H 70%29.94 inHg

2:00 PM

Overcast

88° 💧 0.001 in 💨 10 mph H 60%29.91 inHg

5:00 PM

Thunderstorms

77° 💧 0.155 in 💨 4 mph H 86%29.91 inHg

8:00 PM

Light rain

75° 💧 0.010 in 💨 5 mph H 88%29.91 inHg

11:00 PM

Overcast night

73° 💧 0.010 in 💨 9 mph H 91%30.00 inHg

Tomorrow

2:00 AM

Overcast night

71° 💧 0.001 in 💨 8 mph H 97%30.00 inHg

5:00 AM

Mostly clear night

71° 💧 None 💨 5 mph H 96%30.00 inHg

8:00 AM

Mostly cloudy

66° 💧 None 💨 6 mph H 83%30.06 inHg

11:00 AM

Sunny

75° 💧 None 💨 5 mph H 66%30.06 inHg

2:00 PM

Partly cloudy

80° 💧 None 💨 5 mph H 50%30.03 inHg

5:00 PM

Mostly sunny

80° 💧 None 💨 3 mph H 49%30.00 inHg

8:00 PM

Clear night

72° 💧 None 💨 4 mph H 77%30.00 inHg

11:00 PM

Mostly clear night

68° 💧 None 💨 6 mph H 75%30.03 inHg

Thursday

2:00 AM

Clear night

64° 💧 None 💨 7 mph H 74%30.03 inHg

5:00 AM

Clear night

60° 💧 None 💨 4 mph H 84%30.06 inHg

8:00 AM

Sunny

60° 💧 None 💨 2 mph H 88%30.09 inHg

Today

11:00 AM

Partly cloudy

81° 💧 0.000 in 💨 10 mph H 70%29.94 inHg

12:00 PM

Partly cloudy

85° 💧 None 💨 9 mph H 69%29.91 inHg

1:00 PM

Overcast

87° 💧 None 💨 9 mph H 66%29.91 inHg

2:00 PM

Overcast

88° 💧 None 💨 10 mph H 60%29.91 inHg

3:00 PM

Partly cloudy

84° 💧 0.001 in 💨 10 mph H 68%29.91 inHg

4:00 PM

Mostly cloudy

85° 💧 0.000 in 💨 8 mph H 62%29.91 inHg

5:00 PM

Thunderstorms

77° 💧 0.115 in 💨 4 mph H 86%29.91 inHg

6:00 PM

Light rain

77° 💧 0.038 in 💨 5 mph H 89%29.94 inHg

7:00 PM

Mostly cloudy

77° 💧 0.002 in 💨 4 mph H 87%29.91 inHg

8:00 PM

Light rain

75° 💧 0.006 in 💨 5 mph H 88%29.91 inHg

9:00 PM

Light rain

74° 💧 0.005 in 💨 4 mph H 90%29.94 inHg

10:00 PM

Partly cloudy night

74° 💧 None 💨 4 mph H 89%29.97 inHg

11:00 PM

Overcast night

73° 💧 0.001 in 💨 9 mph H 91%30.00 inHg

Tomorrow

12:00 AM

Light rain

72° 💧 0.008 in 💨 3 mph H 93%29.94 inHg

1:00 AM

Mostly cloudy night

71° 💧 0.001 in 💨 5 mph H 96%29.97 inHg

2:00 AM

Overcast night

71° 💧 None 💨 8 mph H 97%30.00 inHg

3:00 AM

Mostly cloudy night

71° 💧 0.000 in 💨 6 mph H 96%29.97 inHg

4:00 AM

Mostly cloudy night

71° 💧 0.000 in 💨 4 mph H 97%29.97 inHg

5:00 AM

Mostly clear night

71° 💧 None 💨 5 mph H 96%30.00 inHg

6:00 AM

Partly cloudy night

69° 💧 None 💨 5 mph H 91%30.00 inHg

7:00 AM

Mostly sunny

66° 💧 None 💨 6 mph H 86%30.03 inHg

8:00 AM

Mostly cloudy

66° 💧 None 💨 6 mph H 83%30.06 inHg

9:00 AM

Sunny

68° 💧 None 💨 4 mph H 78%30.06 inHg

10:00 AM

Sunny

71° 💧 None 💨 4 mph H 71%30.06 inHg

11:00 AM

Sunny

75° 💧 None 💨 5 mph H 66%30.06 inHg

12:00 PM

Sunny

77° 💧 None 💨 5 mph H 59%30.06 inHg

1:00 PM

Mostly sunny

79° 💧 None 💨 6 mph H 53%30.06 inHg

2:00 PM

Partly cloudy

80° 💧 None 💨 5 mph H 50%30.03 inHg

3:00 PM

Sunny

80° 💧 None 💨 3 mph H 50%30.03 inHg

4:00 PM

Sunny

80° 💧 None 💨 3 mph H 49%30.00 inHg

5:00 PM

Mostly sunny

80° 💧 None 💨 3 mph H 49%30.00 inHg

6:00 PM

Mostly sunny

79° 💧 None 💨 3 mph H 57%30.00 inHg

7:00 PM

Mostly sunny

76° 💧 None 💨 2 mph H 74%30.00 inHg

8:00 PM

Clear night

72° 💧 None 💨 4 mph H 77%30.00 inHg

9:00 PM

Partly cloudy night

70° 💧 None 💨 6 mph H 76%30.00 inHg

10:00 PM

Mostly cloudy night

69° 💧 None 💨 6 mph H 74%30.03 inHg

11:00 PM

Mostly clear night

68° 💧 None 💨 6 mph H 75%30.03 inHg

Thursday

12:00 AM

Clear night

66° 💧 None 💨 5 mph H 78%30.03 inHg

1:00 AM

Mostly clear night

65° 💧 None 💨 7 mph H 78%30.03 inHg

2:00 AM

Clear night

64° 💧 None 💨 7 mph H 74%30.03 inHg

3:00 AM

Clear night

62° 💧 None 💨 6 mph H 75%30.03 inHg

4:00 AM

Clear night

61° 💧 None 💨 7 mph H 77%30.03 inHg

5:00 AM

Clear night

60° 💧 None 💨 4 mph H 84%30.06 inHg

6:00 AM

Clear night

58° 💧 None 💨 2 mph H 87%30.06 inHg

7:00 AM

Sunny

58° 💧 None 💨 2 mph H 88%30.06 inHg

8:00 AM

Sunny

60° 💧 None 💨 2 mph H 88%30.09 inHg

9:00 AM

Sunny

65° 💧 None 💨 1 mph H 78%30.09 inHg

10:00 AM

Sunny

69° 💧 None 💨 2 mph H 71%30.09 inHg

11:00 AM

Sunny

72° 💧 None 💨 4 mph H 64%30.09 inHg

12:00 PM

Sunny

74° 💧 None 💨 4 mph H 57%30.09 inHg

1:00 PM

Sunny

76° 💧 None 💨 3 mph H 51%30.06 inHg

2:00 PM

Sunny

77° 💧 None 💨 3 mph H 49%30.03 inHg

3:00 PM

Sunny

78° 💧 None 💨 3 mph H 47%30.00 inHg

4:00 PM

Sunny

78° 💧 None 💨 3 mph H 47%30.00 inHg

5:00 PM

Sunny

77° 💧 None 💨 4 mph H 49%29.97 inHg

6:00 PM

Sunny

76° 💧 None 💨 5 mph H 56%29.97 inHg

7:00 PM

Sunny

72° 💧 None 💨 5 mph H 68%29.94 inHg

Friday

4:00 AM

Clear night

63° 💧 None 💨 11 mph H 76%29.91 inHg

7:00 AM

Sunny

61° 💧 None 💨 11 mph H 80%29.91 inHg

10:00 AM

Sunny

70° 💧 None 💨 13 mph H 73%29.85 inHg

1:00 PM

Sunny

79° 💧 None 💨 17 mph H 66%29.80 inHg

4:00 PM

Overcast

81° 💧 None 💨 19 mph H 61%29.74 inHg

7:00 PM

Partly cloudy

77° 💧 None 💨 14 mph H 70%29.68 inHg

10:00 PM

Mostly clear night

75° 💧 None 💨 16 mph H 71%29.68 inHg

Saturday

1:00 AM

Clear night

72° 💧 None 💨 11 mph H 85%29.71 inHg

4:00 AM

Partly cloudy night

69° 💧 None 💨 7 mph H 93%29.74 inHg

7:00 AM

Partly cloudy

68° 💧 None 💨 5 mph H 96%29.83 inHg

10:00 AM

Partly cloudy

66° 💧 None 💨 11 mph H 81%29.94 inHg

1:00 PM

Sunny

73° 💧 None 💨 11 mph H 56%29.97 inHg

4:00 PM

Mostly sunny

74° 💧 None 💨 9 mph H 50%29.97 inHg

7:00 PM

Sunny

69° 💧 None 💨 4 mph H 68%30.00 inHg

10:00 PM

Partly cloudy night

62° 💧 None 💨 3 mph H 83%30.03 inHg

Sunday

1:00 AM

Overcast night

59° 💧 None 💨 4 mph H 86%30.06 inHg

4:00 AM

Mostly cloudy night

57° 💧 None 💨 5 mph H 84%30.06 inHg

7:00 AM

Partly cloudy

56° 💧 None 💨 7 mph H 83%30.06 inHg

10:00 AM

Mostly cloudy

66° 💧 None 💨 10 mph H 72%30.06 inHg

1:00 PM

Light rain

70° 💧 None 💨 12 mph H 66%30.00 inHg

4:00 PM

Partly cloudy

76° 💧 None 💨 14 mph H 70%29.88 inHg

7:00 PM

Mostly sunny

75° 💧 None 💨 14 mph H 80%29.83 inHg

10:00 PM

Mostly cloudy night

74° 💧 None 💨 15 mph H 87%29.80 inHg

Monday

1:00 AM

Moderate rain

71° 💧 None 💨 11 mph H 96%29.85 inHg

7:00 AM

Light thunderstorms

58° 💧 None 💨 11 mph H 83%30.06 inHg

1:00 PM

Light thunderstorms

60° 💧 None 💨 14 mph H 94%29.91 inHg

7:00 PM

Light rain

77° 💧 None 💨 13 mph H 83%29.80 inHg

Tuesday

1:00 AM

Mostly clear night

69° 💧 None 💨 14 mph H 79%29.83 inHg

7:00 AM

Sunny

61° 💧 None 💨 11 mph H 83%30.00 inHg

1:00 PM

Partly cloudy

54° 💧 None 💨 6 mph H 82%30.09 inHg

7:00 PM

Sunny

70° 💧 None 💨 9 mph H 46%30.15 inHg

Wednesday

1:00 AM

Clear night

66° 💧 None 💨 2 mph H 74%30.15 inHg

7:00 AM

Mostly cloudy

60° 💧 None 💨 4 mph H 86%30.24 inHg

1:00 PM

Mostly cloudy

59° 💧 None 💨 6 mph H 92%30.27 inHg

7:00 PM

Heavy rain

64° 💧 None 💨 9 mph H 88%30.27 inHg

Thursday

1:00 AM

Light rain

64° 💧 None 💨 9 mph H 76%30.21 inHg

7:00 AM

Overcast

62° 💧 None 💨 6 mph H 89%30.21 inHg

1:00 PM

Overcast

62° 💧 None 💨 8 mph H 92%30.27 inHg

7:00 PM

Mostly sunny

70° 💧 None 💨 14 mph H 71%30.36 inHg

Friday

1:00 AM

Clear night

67° 💧 None 💨 9 mph H 64%30.39 inHg

7:00 AM

Sunny

58° 💧 None 💨 8 mph H 85%30.50 inHg

1:00 PM

Sunny

49° 💧 None 💨 5 mph H 90%30.59 inHg

7:00 PM

Sunny

63° 💧 None 💨 5 mph H 50%30.53 inHg

Saturday

1:00 AM

Clear night

59° 💧 None 💨 3 mph H 66%30.42 inHg

7:00 AM

Partly cloudy night

50° 💧 None 💨 6 mph H 82%30.39 inHg

1:00 PM

Sunny

47° 💧 None 💨 8 mph H 90%30.30 inHg

7:00 PM

Sunny

65° 💧 None 💨 14 mph H 59%30.18 inHg

Sunday

1:00 AM

Mostly clear night

64° 💧 None 💨 13 mph H 67%30.00 inHg

7:00 AM

Clear night

58° 💧 None 💨 13 mph H 76%29.97 inHg

1:00 PM

Overcast

59° 💧 None 💨 9 mph H 66%29.97 inHg

7:00 PM

Moderate rain

65° 💧 None 💨 6 mph H 79%29.97 inHg

Monday

1:00 AM

Clear night

67° 💧 None 💨 2 mph H 81%29.97 inHg

7:00 AM

Partly cloudy night

60° 💧 None 💨 8 mph H 86%30.03 inHg

1:00 PM

Partly cloudy

56° 💧 None 💨 8 mph H 69%30.09 inHg

7:00 PM

Partly cloudy

71° 💧 None 💨 10 mph H 47%30.12 inHg

Tuesday

1:00 AM

Partly cloudy night

66° 💧 None 💨 9 mph H 57%30.09 inHg

7:00 AM

Clear night

55° 💧 None 💨 6 mph H 82%30.15 inHg

1:00 PM

Sunny

51° 💧 None 💨 7 mph H 89%30.15 inHg

7:00 PM

Sunny

74° 💧 None 💨 12 mph H 44%30.06 inHg

Wednesday

1:00 AM

Clear night

68° 💧 None 💨 6 mph H 62%30.00 inHg

In Knierim and, more broadly, across the state of Iowa: The rest of the day will feature mostly cloudy skies, with temperatures ranging from the mid-60s to the low 80s. There is a possibility of light rain, with total accumulation around 0.05 inches. Winds will be noticeable from the southwest, reaching up to 25 mph with gusts as high as 39 mph. The combination of cloud cover and breezy conditions could make the afternoon feel slightly cooler at times. Overall, expect a mild to warm day with intermittent rain and brisk southwest winds.

15-Day Weather Outlook for Knierim

TomorrowTomorrow

Mostly cloudy 80°/66° 💧 None 💨 9 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 78°/58° 💧 None 💨 7 mph

Friday, Sep 11Fri Sep 11

Overcast 81°/61° 💧 0.998 in 💨 19 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 77°/66° 💧 0.178 in 💨 16 mph

Sunday, Sep 13Sun Sep 13

Light rain 76°/56° 💧 0.013 in 💨 14 mph

Monday, Sep 14Mon Sep 14

Light thunderstorms 75°/58° 💧 0.937 in 💨 15 mph

Tuesday, Sep 15Tue Sep 15

Light rain 77°/54° 💧 0.697 in 💨 14 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 70°/59° 💧 0.005 in 💨 9 mph

Thursday, Sep 17Thu Sep 17

Heavy rain 64°/62° 💧 0.461 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 70°/49° 💧 0.004 in 💨 14 mph

Saturday, Sep 19Sat Sep 19

Partly cloudy 63°/47° 💧 None 💨 8 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 65°/58° 💧 0.004 in 💨 14 mph

Monday, Sep 21Mon Sep 21

Moderate rain 67°/56° 💧 0.073 in 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 71°/51° 💧 0.001 in 💨 10 mph

Wednesday, Sep 23Wed Sep 23

Sunny 74°/68° 💧 None 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Knierim

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Knierim

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 5,5µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 6,1µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 66,1µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 1,6µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Knierim

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,5Moderate 🙂Fair

Tomorrow UV 7,2High 🙂Fair

Thursday UV 6,6High 🙂Fair

Friday UV 6,5High 🙂Fair

Saturday UV 6,0High 🙂Fair

Sunday UV 4,0Moderate —Unavailable

Monday UV 4,0Moderate —Unavailable

Hourly UV index today

11:00 AMUV 2,8 12:00 PMUV 5,5 1:00 PMUV 3,3 2:00 PMUV 3,8 3:00 PMUV 1,2 4:00 PMUV 1,1 5:00 PMUV 0,2 6:00 PMUV 0,5 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Knierim

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · KNIERIM, IOWA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

74/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:17 PM–5:14 AM

☁ Cloud cover 29% Real hourly forecast for the best viewing hour.

☾ Moonlight 7% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 86° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min71%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Knierim were last refreshed today at 10:16 AM. The current forecast period extends through 10/09/2026 at 8:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.