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Now · 4:15 PM

St. Ansgar Weather & Hourly Forecast

United States · Iowa · 50472

69°F

Sunny

Feels like: 65°F

💧 Humidity 41% 🌡 Pressure 30.12 inHg 💨 Wind 5 mph 👁 Visibility 28.5 mi ☁ Clouds 0% ☀️ UV index 3.3 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for St. Ansgar

Today

5:00 PM

Sunny

69° 💧 None 💨 5 mph H 41%30.09 inHg

8:00 PM

Clear night

63° 💧 None 💨 2 mph H 59%30.12 inHg

11:00 PM

Clear night

56° 💧 0.000 in 💨 3 mph H 77%30.18 inHg

Tomorrow

2:00 AM

Mostly clear night

53° 💧 None 💨 3 mph H 88%30.18 inHg

5:00 AM

Partly cloudy night

54° 💧 None 💨 7 mph H 86%30.15 inHg

8:00 AM

Overcast

59° 💧 0.008 in 💨 13 mph H 69%30.15 inHg

11:00 AM

Overcast

62° 💧 0.064 in 💨 15 mph H 67%30.06 inHg

2:00 PM

Partly cloudy

64° 💧 0.003 in 💨 19 mph H 72%29.91 inHg

5:00 PM

Overcast

71° 💧 0.202 in 💨 19 mph H 64%29.80 inHg

8:00 PM

Thunderstorms

68° 💧 0.902 in 💨 14 mph H 85%29.77 inHg

11:00 PM

Severe thunderstorms

70° 💧 0.619 in 💨 12 mph H 96%29.80 inHg

Tuesday

2:00 AM

Partly cloudy night

70° 💧 0.002 in 💨 10 mph H 95%29.80 inHg

5:00 AM

Partly cloudy night

63° 💧 None 💨 6 mph H 93%29.88 inHg

8:00 AM

Overcast

62° 💧 None 💨 9 mph H 79%29.97 inHg

11:00 AM

Mostly cloudy

66° 💧 None 💨 13 mph H 54%30.09 inHg

2:00 PM

Mostly cloudy

68° 💧 None 💨 10 mph H 56%30.12 inHg

Today

5:00 PM

Sunny

69° 💧 None 💨 5 mph H 41%30.09 inHg

6:00 PM

Sunny

68° 💧 None 💨 5 mph H 42%30.09 inHg

7:00 PM

Mostly sunny

65° 💧 None 💨 2 mph H 59%30.09 inHg

8:00 PM

Clear night

63° 💧 None 💨 2 mph H 59%30.12 inHg

9:00 PM

Clear night

60° 💧 None 💨 2 mph H 63%30.12 inHg

10:00 PM

Clear night

58° 💧 None 💨 2 mph H 69%30.15 inHg

11:00 PM

Clear night

56° 💧 0.000 in 💨 3 mph H 77%30.18 inHg

Tomorrow

12:00 AM

Mostly clear night

54° 💧 None 💨 4 mph H 81%30.18 inHg

1:00 AM

Mostly clear night

53° 💧 None 💨 3 mph H 84%30.18 inHg

2:00 AM

Mostly clear night

53° 💧 None 💨 3 mph H 88%30.18 inHg

3:00 AM

Clear night

52° 💧 None 💨 4 mph H 90%30.18 inHg

4:00 AM

Mostly clear night

52° 💧 None 💨 6 mph H 90%30.15 inHg

5:00 AM

Partly cloudy night

54° 💧 None 💨 7 mph H 86%30.15 inHg

6:00 AM

Partly cloudy night

56° 💧 None 💨 9 mph H 78%30.15 inHg

7:00 AM

Overcast

56° 💧 None 💨 10 mph H 75%30.15 inHg

8:00 AM

Overcast

59° 💧 None 💨 13 mph H 69%30.15 inHg

9:00 AM

Overcast

60° 💧 None 💨 12 mph H 67%30.12 inHg

10:00 AM

Light rain

60° 💧 0.008 in 💨 14 mph H 69%30.09 inHg

11:00 AM

Overcast

62° 💧 0.003 in 💨 15 mph H 67%30.06 inHg

12:00 PM

Overcast

64° 💧 None 💨 18 mph H 62%30.03 inHg

1:00 PM

Light thunderstorms

63° 💧 0.062 in 💨 17 mph H 72%30.00 inHg

2:00 PM

Partly cloudy

64° 💧 0.003 in 💨 19 mph H 72%29.91 inHg

3:00 PM

Overcast

70° 💧 0.000 in 💨 23 mph H 60%29.85 inHg

4:00 PM

Overcast

72° 💧 None 💨 22 mph H 60%29.83 inHg

5:00 PM

Overcast

71° 💧 None 💨 19 mph H 64%29.80 inHg

6:00 PM

Light rain

70° 💧 0.009 in 💨 20 mph H 69%29.74 inHg

7:00 PM

Thunderstorms

68° 💧 0.193 in 💨 16 mph H 79%29.74 inHg

8:00 PM

Thunderstorms

68° 💧 0.241 in 💨 14 mph H 85%29.77 inHg

9:00 PM

Thunderstorms

68° 💧 0.283 in 💨 14 mph H 90%29.77 inHg

10:00 PM

Severe thunderstorms

69° 💧 0.378 in 💨 16 mph H 93%29.77 inHg

11:00 PM

Severe thunderstorms

70° 💧 0.332 in 💨 12 mph H 96%29.80 inHg

Tuesday

12:00 AM

Thunderstorms

69° 💧 0.251 in 💨 8 mph H 98%29.80 inHg

1:00 AM

Light rain

70° 💧 0.037 in 💨 11 mph H 96%29.80 inHg

2:00 AM

Partly cloudy night

70° 💧 0.002 in 💨 10 mph H 95%29.80 inHg

3:00 AM

Mostly clear night

68° 💧 None 💨 11 mph H 93%29.83 inHg

4:00 AM

Mostly cloudy night

65° 💧 None 💨 8 mph H 92%29.85 inHg

5:00 AM

Partly cloudy night

63° 💧 None 💨 6 mph H 93%29.88 inHg

6:00 AM

Overcast night

61° 💧 None 💨 5 mph H 93%29.91 inHg

7:00 AM

Overcast

61° 💧 None 💨 5 mph H 88%29.94 inHg

8:00 AM

Overcast

62° 💧 None 💨 9 mph H 79%29.97 inHg

9:00 AM

Overcast

63° 💧 None 💨 12 mph H 69%30.00 inHg

10:00 AM

Mostly cloudy

65° 💧 None 💨 11 mph H 60%30.03 inHg

11:00 AM

Mostly cloudy

66° 💧 None 💨 13 mph H 54%30.09 inHg

12:00 PM

Mostly cloudy

67° 💧 None 💨 12 mph H 54%30.09 inHg

1:00 PM

Partly cloudy

68° 💧 None 💨 11 mph H 55%30.12 inHg

2:00 PM

Mostly cloudy

68° 💧 None 💨 10 mph H 56%30.12 inHg

3:00 PM

Partly cloudy

69° 💧 None 💨 10 mph H 55%30.12 inHg

4:00 PM

Partly cloudy

69° 💧 None 💨 10 mph H 56%30.12 inHg

5:00 PM

Mostly cloudy

68° 💧 None 💨 8 mph H 58%30.15 inHg

6:00 PM

Partly cloudy

67° 💧 None 💨 7 mph H 62%30.15 inHg

7:00 PM

Overcast

63° 💧 None 💨 5 mph H 72%30.18 inHg

8:00 PM

Mostly cloudy night

61° 💧 None 💨 4 mph H 76%30.18 inHg

9:00 PM

Mostly clear night

59° 💧 None 💨 4 mph H 82%30.21 inHg

10:00 PM

Clear night

57° 💧 None 💨 5 mph H 85%30.24 inHg

11:00 PM

Clear night

56° 💧 None 💨 5 mph H 87%30.27 inHg

Wednesday

12:00 AM

Mostly clear night

55° 💧 None 💨 5 mph H 89%30.27 inHg

1:00 AM

Overcast night

55° 💧 None 💨 5 mph H 90%30.27 inHg

2:00 AM

Mostly cloudy night

54° 💧 None 💨 6 mph H 89%30.27 inHg

3:00 AM

Mostly cloudy night

54° 💧 None 💨 5 mph H 89%30.30 inHg

4:00 AM

Clear night

54° 💧 None 💨 5 mph H 89%30.30 inHg

5:00 AM

Mostly clear night

53° 💧 None 💨 6 mph H 89%30.30 inHg

6:00 AM

Overcast night

53° 💧 None 💨 6 mph H 89%30.33 inHg

7:00 AM

Mostly cloudy

54° 💧 None 💨 7 mph H 87%30.33 inHg

10:00 AM

Overcast

61° 💧 None 💨 8 mph H 72%30.33 inHg

1:00 PM

Light rain

65° 💧 None 💨 8 mph H 70%30.30 inHg

4:00 PM

Light rain

62° 💧 None 💨 7 mph H 89%30.24 inHg

7:00 PM

Overcast

62° 💧 None 💨 7 mph H 92%30.18 inHg

10:00 PM

Overcast night

62° 💧 None 💨 5 mph H 93%30.21 inHg

Thursday

1:00 AM

Overcast night

62° 💧 None 💨 2 mph H 96%30.18 inHg

4:00 AM

Partly cloudy night

61° 💧 None 💨 2 mph H 98%30.18 inHg

7:00 AM

Overcast

61° 💧 None 💨 4 mph H 98%30.21 inHg

10:00 AM

Overcast

67° 💧 None 💨 7 mph H 81%30.27 inHg

1:00 PM

Overcast

70° 💧 None 💨 5 mph H 75%30.27 inHg

4:00 PM

Overcast

73° 💧 None 💨 4 mph H 69%30.21 inHg

7:00 PM

Overcast

69° 💧 None 💨 2 mph H 81%30.21 inHg

10:00 PM

Mostly cloudy night

63° 💧 None 💨 5 mph H 89%30.24 inHg

Friday

1:00 AM

Overcast night

61° 💧 None 💨 5 mph H 92%30.24 inHg

4:00 AM

Overcast night

59° 💧 None 💨 4 mph H 94%30.24 inHg

7:00 AM

Mostly cloudy

60° 💧 None 💨 8 mph H 90%30.21 inHg

10:00 AM

Light rain

66° 💧 None 💨 8 mph H 85%30.18 inHg

1:00 PM

Moderate rain

68° 💧 None 💨 11 mph H 92%30.12 inHg

4:00 PM

Moderate rain

68° 💧 None 💨 10 mph H 94%30.06 inHg

7:00 PM

Moderate rain

67° 💧 None 💨 14 mph H 95%30.00 inHg

10:00 PM

Light thunderstorms

68° 💧 None 💨 13 mph H 97%29.94 inHg

Saturday

1:00 AM

Moderate rain

68° 💧 None 💨 10 mph H 98%29.88 inHg

4:00 AM

Light rain

68° 💧 None 💨 8 mph H 99%29.85 inHg

7:00 AM

Overcast

68° 💧 None 💨 5 mph H 98%29.85 inHg

1:00 PM

Overcast

69° 💧 None 💨 9 mph H 81%29.88 inHg

7:00 PM

Overcast

67° 💧 None 💨 10 mph H 85%29.88 inHg

Sunday

1:00 AM

Overcast night

64° 💧 None 💨 10 mph H 88%29.91 inHg

7:00 AM

Overcast

62° 💧 None 💨 8 mph H 93%29.91 inHg

1:00 PM

Moderate rain

67° 💧 None 💨 7 mph H 96%29.85 inHg

7:00 PM

Moderate rain

71° 💧 None 💨 1 mph H 97%29.77 inHg

Monday

1:00 AM

Overcast night

63° 💧 None 💨 5 mph H 99%29.88 inHg

7:00 AM

Overcast

62° 💧 None 💨 6 mph H 97%29.97 inHg

1:00 PM

Overcast

73° 💧 None 💨 8 mph H 66%30.03 inHg

7:00 PM

Overcast

69° 💧 None 💨 4 mph H 80%30.06 inHg

Tuesday

1:00 AM

Overcast night

61° 💧 None 💨 2 mph H 96%30.15 inHg

7:00 AM

Partly cloudy

58° 💧 None 💨 3 mph H 99%30.18 inHg

1:00 PM

Mostly cloudy

74° 💧 None 💨 6 mph H 66%30.21 inHg

7:00 PM

Mostly cloudy

69° 💧 None 💨 6 mph H 78%30.15 inHg

Wednesday

1:00 AM

Overcast night

66° 💧 None 💨 6 mph H 86%30.21 inHg

7:00 AM

Mostly sunny

60° 💧 None 💨 8 mph H 96%30.24 inHg

1:00 PM

Mostly sunny

72° 💧 None 💨 9 mph H 65%30.24 inHg

7:00 PM

Mostly sunny

68° 💧 None 💨 5 mph H 77%30.21 inHg

Thursday

1:00 AM

Overcast night

64° 💧 None 💨 9 mph H 88%30.24 inHg

7:00 AM

Mostly cloudy

61° 💧 None 💨 8 mph H 85%30.27 inHg

1:00 PM

Mostly sunny

72° 💧 None 💨 10 mph H 68%30.27 inHg

7:00 PM

Overcast

69° 💧 None 💨 7 mph H 74%30.21 inHg

Friday

1:00 AM

Clear night

59° 💧 None 💨 8 mph H 88%30.27 inHg

7:00 AM

Clear night

54° 💧 None 💨 6 mph H 95%30.30 inHg

1:00 PM

Mostly cloudy

70° 💧 None 💨 9 mph H 66%30.24 inHg

7:00 PM

Overcast

66° 💧 None 💨 7 mph H 78%30.18 inHg

Saturday

1:00 AM

Overcast night

60° 💧 None 💨 8 mph H 89%30.15 inHg

7:00 AM

Light rain

62° 💧 None 💨 8 mph H 93%30.09 inHg

1:00 PM

Overcast

69° 💧 None 💨 7 mph H 83%30.03 inHg

7:00 PM

Mostly sunny

68° 💧 None 💨 3 mph H 91%29.97 inHg

Sunday

1:00 AM

Clear night

63° 💧 None 💨 6 mph H 96%29.97 inHg

7:00 AM

Mostly clear night

60° 💧 None 💨 6 mph H 94%29.94 inHg

1:00 PM

Mostly sunny

69° 💧 None 💨 17 mph H 54%29.91 inHg

7:00 PM

Mostly sunny

61° 💧 None 💨 13 mph H 63%29.94 inHg

Monday

1:00 AM

Overcast night

56° 💧 None 💨 14 mph H 73%29.97 inHg

7:00 AM

Overcast night

53° 💧 None 💨 13 mph H 73%30.00 inHg

In St. Ansgar and, more broadly, across the state of Iowa: The late afternoon and evening will feature a mix of sun and clouds, with temperatures remaining cool between 59 and 62 degrees Fahrenheit. Winds will be light, coming from the east at around 8 mph, with gusts reaching up to 13 mph. No rain is expected during this time, providing a dry evening. Expect the skies to remain partly cloudy as the night progresses, with comfortable conditions persisting. Overall, it should be a quiet evening, ideal for outdoor activities or relaxing indoors without concerns of precipitation.

15-Day Weather Outlook for St. Ansgar

TomorrowTomorrow

Light thunderstorms 72°/52° 💧 None 💨 23 mph

Tuesday, Sep 15Tue Sep 15

Thunderstorms 70°/61° 💧 None 💨 16 mph

Wednesday, Sep 16Wed Sep 16

Light rain 64°/53° 💧 0.010 in 💨 11 mph

Thursday, Sep 17Thu Sep 17

Light rain 70°/59° 💧 0.158 in 💨 8 mph

Friday, Sep 18Fri Sep 18

Light rain 68°/56° 💧 0.008 in 💨 9 mph

Saturday, Sep 19Sat Sep 19

Very heavy rain 67°/62° 💧 1.757 in 💨 17 mph

Sunday, Sep 20Sun Sep 20

Overcast 77°/63° 💧 0.061 in 💨 13 mph

Monday, Sep 21Mon Sep 21

Overcast 70°/58° 💧 0.001 in 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Overcast 68°/56° 💧 0.001 in 💨 5 mph

Wednesday, Sep 23Wed Sep 23

Overcast 69°/55° 💧 0.010 in 💨 7 mph

Thursday, Sep 24Thu Sep 24

Overcast 67°/56° 💧 0.002 in 💨 6 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 68°/55° 💧 None 💨 6 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 70°/50° 💧 0.001 in 💨 5 mph

Sunday, Sep 27Sun Sep 27

Light rain 70°/62° 💧 0.125 in 💨 10 mph

Monday, Sep 28Mon Sep 28

Light rain 69°/64° 💧 0.042 in 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Ansgar

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Ansgar

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 5:00 PM

PM2.5 Fine particles Good 1,3µg/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 1,5µg/m³

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

O₃ Ozone Fair 75,6µg/m³

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

NO₂ Nitrogen dioxide Good 0,7µg/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 St. Ansgar

Hourly UV index today

5:00 PMUV 2,5 6:00 PMUV 1,4 7:00 PMUV 0,5

Hourly UV index tomorrow

7:00 AMUV 0,0 8:00 AMUV 0,2 9:00 AMUV 0,5 10:00 AMUV 0,8 11:00 AMUV 1,0 12:00 PMUV 2,0 1:00 PMUV 1,6 2:00 PMUV 1,1 3:00 PMUV 3,7 4:00 PMUV 2,5 5:00 PMUV 0,9 6:00 PMUV 0,6 7:00 PMUV 0,2

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 St. Ansgar

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. ANSGAR, IOWA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

98/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:03 PM–5:12 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

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

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 69° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min79%

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

Explore current conditions and forecasts for other locations.

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The technical data used to calculate this forecast for St. Ansgar were updated today at 4:15 PM. The displayed forecasts cover the period through 15/09/2026 at 2:00 PM. Weather and air-quality data provided by WEATHER-INFO.COM. UV-index data derived from ECMWF UVB by WEATHER PORTAL. Weather information is generated automatically and periodically reviewed by our technical team. For informational purposes only.