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Current weather in Loomis is overcast clouds.

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

Now · 6:11 PM

Loomis Weather & Hourly Forecast

United States · South Dakota · 57301

62°F

Overcast

Feels like: 57°F

💧 Humidity 74% 🌡 Pressure 30.18 inHg 💨 Wind 11 mph 👁 Visibility 26.3 mi ☁ Clouds 100% ☀️ UV index 0.4 · Low 🌅 Sunrise 7:18 AM 🌇 Sunset 7:31 PM

Hourly Forecast for Loomis

Today

7:00 PM

Overcast

61° 💧 0.000 in 💨 10 mph H 76%30.21 inHg

10:00 PM

Mostly cloudy night

58° 💧 0.000 in 💨 10 mph H 84%30.24 inHg

Tomorrow

1:00 AM

Mostly cloudy night

56° 💧 None 💨 12 mph H 90%30.24 inHg

4:00 AM

Mostly clear night

56° 💧 0.003 in 💨 12 mph H 90%30.24 inHg

7:00 AM

Light rain

56° 💧 0.053 in 💨 12 mph H 94%30.24 inHg

10:00 AM

Light rain

58° 💧 0.029 in 💨 14 mph H 93%30.24 inHg

1:00 PM

Overcast

64° 💧 0.001 in 💨 18 mph H 77%30.21 inHg

4:00 PM

Overcast

68° 💧 None 💨 18 mph H 70%30.15 inHg

7:00 PM

Overcast

65° 💧 None 💨 14 mph H 75%30.15 inHg

10:00 PM

Overcast night

64° 💧 0.004 in 💨 16 mph H 76%30.15 inHg

Thursday

1:00 AM

Light rain

61° 💧 0.182 in 💨 15 mph H 86%30.15 inHg

4:00 AM

Light rain

60° 💧 0.183 in 💨 13 mph H 92%30.15 inHg

7:00 AM

Light rain

59° 💧 0.023 in 💨 13 mph H 94%30.15 inHg

10:00 AM

Overcast

61° 💧 0.002 in 💨 14 mph H 90%30.12 inHg

1:00 PM

Overcast

65° 💧 None 💨 11 mph H 81%30.15 inHg

4:00 PM

Overcast

67° 💧 None 💨 10 mph H 79%30.09 inHg

Today

7:00 PM

Overcast

61° 💧 None 💨 10 mph H 76%30.21 inHg

8:00 PM

Overcast night

60° 💧 0.000 in 💨 10 mph H 78%30.21 inHg

9:00 PM

Mostly cloudy night

59° 💧 None 💨 10 mph H 80%30.24 inHg

10:00 PM

Mostly cloudy night

58° 💧 0.000 in 💨 10 mph H 84%30.24 inHg

11:00 PM

Mostly cloudy night

58° 💧 None 💨 11 mph H 85%30.24 inHg

Tomorrow

12:00 AM

Mostly clear night

57° 💧 None 💨 12 mph H 88%30.24 inHg

1:00 AM

Mostly cloudy night

56° 💧 None 💨 12 mph H 90%30.24 inHg

2:00 AM

Overcast night

57° 💧 None 💨 13 mph H 89%30.24 inHg

3:00 AM

Partly cloudy night

56° 💧 None 💨 12 mph H 90%30.24 inHg

4:00 AM

Mostly clear night

56° 💧 0.001 in 💨 12 mph H 90%30.24 inHg

5:00 AM

Mostly cloudy night

56° 💧 None 💨 12 mph H 93%30.24 inHg

6:00 AM

Overcast night

56° 💧 0.002 in 💨 12 mph H 92%30.24 inHg

7:00 AM

Light rain

56° 💧 0.021 in 💨 12 mph H 94%30.24 inHg

8:00 AM

Light rain

56° 💧 0.008 in 💨 12 mph H 95%30.24 inHg

9:00 AM

Light rain

57° 💧 0.025 in 💨 12 mph H 95%30.24 inHg

10:00 AM

Light rain

58° 💧 0.026 in 💨 14 mph H 93%30.24 inHg

11:00 AM

Overcast

60° 💧 0.002 in 💨 15 mph H 88%30.24 inHg

12:00 PM

Overcast

62° 💧 None 💨 17 mph H 81%30.24 inHg

1:00 PM

Overcast

64° 💧 0.001 in 💨 18 mph H 77%30.21 inHg

2:00 PM

Overcast

66° 💧 None 💨 18 mph H 72%30.18 inHg

3:00 PM

Overcast

67° 💧 0.001 in 💨 18 mph H 71%30.18 inHg

4:00 PM

Overcast

68° 💧 None 💨 18 mph H 70%30.15 inHg

5:00 PM

Overcast

67° 💧 None 💨 16 mph H 71%30.15 inHg

6:00 PM

Overcast

66° 💧 None 💨 15 mph H 73%30.15 inHg

7:00 PM

Overcast

65° 💧 None 💨 14 mph H 75%30.15 inHg

8:00 PM

Overcast night

65° 💧 None 💨 14 mph H 74%30.15 inHg

9:00 PM

Overcast night

64° 💧 None 💨 15 mph H 75%30.15 inHg

10:00 PM

Overcast night

64° 💧 None 💨 16 mph H 76%30.15 inHg

11:00 PM

Overcast night

63° 💧 0.001 in 💨 16 mph H 76%30.15 inHg

Thursday

12:00 AM

Overcast night

62° 💧 0.004 in 💨 16 mph H 81%30.15 inHg

1:00 AM

Light rain

61° 💧 0.010 in 💨 15 mph H 86%30.15 inHg

2:00 AM

Moderate rain

60° 💧 0.104 in 💨 14 mph H 90%30.15 inHg

3:00 AM

Light rain

60° 💧 0.069 in 💨 14 mph H 91%30.15 inHg

4:00 AM

Light rain

60° 💧 0.086 in 💨 13 mph H 92%30.15 inHg

5:00 AM

Light rain

60° 💧 0.056 in 💨 12 mph H 93%30.15 inHg

6:00 AM

Light rain

59° 💧 0.040 in 💨 13 mph H 94%30.15 inHg

7:00 AM

Light rain

59° 💧 0.012 in 💨 13 mph H 94%30.15 inHg

8:00 AM

Light rain

60° 💧 0.008 in 💨 13 mph H 93%30.12 inHg

9:00 AM

Overcast

60° 💧 0.003 in 💨 13 mph H 93%30.15 inHg

10:00 AM

Overcast

61° 💧 0.001 in 💨 14 mph H 90%30.12 inHg

11:00 AM

Overcast

63° 💧 0.001 in 💨 12 mph H 87%30.15 inHg

12:00 PM

Overcast

65° 💧 None 💨 13 mph H 81%30.15 inHg

1:00 PM

Overcast

65° 💧 None 💨 11 mph H 81%30.15 inHg

2:00 PM

Overcast

66° 💧 None 💨 12 mph H 80%30.12 inHg

3:00 PM

Overcast

67° 💧 None 💨 12 mph H 78%30.12 inHg

4:00 PM

Overcast

67° 💧 None 💨 10 mph H 79%30.09 inHg

5:00 PM

Overcast

66° 💧 None 💨 9 mph H 81%30.09 inHg

6:00 PM

Overcast

65° 💧 None 💨 9 mph H 84%30.12 inHg

7:00 PM

Overcast

64° 💧 None 💨 9 mph H 87%30.12 inHg

8:00 PM

Overcast night

63° 💧 None 💨 9 mph H 89%30.12 inHg

9:00 PM

Overcast night

62° 💧 None 💨 10 mph H 90%30.15 inHg

10:00 PM

Overcast night

62° 💧 0.001 in 💨 9 mph H 91%30.15 inHg

11:00 PM

Overcast night

62° 💧 None 💨 9 mph H 91%30.15 inHg

Friday

12:00 AM

Overcast night

61° 💧 None 💨 9 mph H 91%30.15 inHg

1:00 AM

Overcast night

61° 💧 None 💨 9 mph H 92%30.15 inHg

2:00 AM

Overcast night

61° 💧 None 💨 9 mph H 92%30.12 inHg

3:00 AM

Overcast night

61° 💧 None 💨 9 mph H 93%30.12 inHg

4:00 AM

Light rain

61° 💧 0.005 in 💨 9 mph H 92%30.12 inHg

5:00 AM

Light rain

61° 💧 0.039 in 💨 10 mph H 94%30.12 inHg

6:00 AM

Moderate rain

60° 💧 0.107 in 💨 10 mph H 96%30.12 inHg

7:00 AM

Overcast night

60° 💧 0.004 in 💨 10 mph H 95%30.12 inHg

10:00 AM

Overcast

63° 💧 None 💨 15 mph H 85%30.12 inHg

1:00 PM

Overcast

65° 💧 None 💨 16 mph H 80%30.06 inHg

4:00 PM

Overcast

65° 💧 None 💨 18 mph H 81%30.00 inHg

7:00 PM

Light rain

63° 💧 None 💨 14 mph H 93%29.94 inHg

10:00 PM

Light rain

63° 💧 None 💨 15 mph H 94%29.91 inHg

Saturday

1:00 AM

Overcast night

63° 💧 None 💨 13 mph H 96%29.88 inHg

4:00 AM

Overcast night

65° 💧 None 💨 11 mph H 96%29.83 inHg

7:00 AM

Overcast night

65° 💧 None 💨 11 mph H 97%29.83 inHg

10:00 AM

Overcast

69° 💧 None 💨 14 mph H 88%29.83 inHg

1:00 PM

Mostly cloudy

76° 💧 None 💨 14 mph H 72%29.80 inHg

4:00 PM

Mostly sunny

81° 💧 None 💨 11 mph H 64%29.74 inHg

7:00 PM

Sunny

76° 💧 None 💨 5 mph H 80%29.77 inHg

10:00 PM

Clear night

70° 💧 None 💨 7 mph H 91%29.83 inHg

Sunday

1:00 AM

Clear night

66° 💧 None 💨 4 mph H 97%29.85 inHg

4:00 AM

Mostly cloudy night

63° 💧 None 💨 3 mph H 100%29.85 inHg

7:00 AM

Overcast night

64° 💧 None 💨 3 mph H 99%29.91 inHg

10:00 AM

Overcast

68° 💧 None 💨 3 mph H 94%29.91 inHg

1:00 PM

Light rain

73° 💧 None 💨 3 mph H 84%29.91 inHg

4:00 PM

Mostly sunny

77° 💧 None 💨 1 mph H 71%29.85 inHg

7:00 PM

Sunny

73° 💧 None 💨 3 mph H 82%29.83 inHg

10:00 PM

Clear night

67° 💧 None 💨 4 mph H 92%29.85 inHg

Monday

1:00 AM

Partly cloudy night

64° 💧 None 💨 4 mph H 98%29.83 inHg

4:00 AM

Overcast night

63° 💧 None 💨 4 mph H 100%29.83 inHg

7:00 AM

Overcast night

64° 💧 None 💨 1 mph H 100%29.80 inHg

1:00 PM

Partly cloudy

76° 💧 None 💨 15 mph H 70%29.77 inHg

7:00 PM

Partly cloudy

74° 💧 None 💨 7 mph H 81%29.65 inHg

Tuesday

1:00 AM

Moderate rain

63° 💧 None 💨 2 mph H 95%29.74 inHg

7:00 AM

Light rain

57° 💧 None 💨 14 mph H 93%29.80 inHg

1:00 PM

Mostly cloudy

65° 💧 None 💨 16 mph H 49%29.85 inHg

7:00 PM

Mostly sunny

61° 💧 None 💨 9 mph H 55%29.85 inHg

Wednesday

1:00 AM

Clear night

49° 💧 None 💨 5 mph H 78%29.91 inHg

7:00 AM

Clear night

44° 💧 None 💨 4 mph H 93%29.94 inHg

1:00 PM

Sunny

63° 💧 None 💨 2 mph H 52%29.91 inHg

7:00 PM

Sunny

61° 💧 None 💨 1 mph H 67%29.83 inHg

Thursday

1:00 AM

Clear night

52° 💧 None 💨 6 mph H 83%29.83 inHg

7:00 AM

Clear night

50° 💧 None 💨 7 mph H 95%29.80 inHg

1:00 PM

Mostly sunny

68° 💧 None 💨 12 mph H 65%29.74 inHg

7:00 PM

Mostly cloudy

65° 💧 None 💨 5 mph H 78%29.71 inHg

Friday

1:00 AM

Clear night

54° 💧 None 💨 11 mph H 67%29.88 inHg

7:00 AM

Mostly clear night

53° 💧 None 💨 13 mph H 60%29.83 inHg

1:00 PM

Overcast

61° 💧 None 💨 24 mph H 49%29.71 inHg

7:00 PM

Light rain

53° 💧 None 💨 18 mph H 86%29.62 inHg

Saturday

1:00 AM

Light rain

54° 💧 None 💨 11 mph H 92%29.68 inHg

7:00 AM

Overcast night

53° 💧 None 💨 19 mph H 77%29.77 inHg

1:00 PM

Overcast

55° 💧 None 💨 20 mph H 72%29.88 inHg

7:00 PM

Partly cloudy

53° 💧 None 💨 13 mph H 66%29.94 inHg

Sunday

1:00 AM

Mostly clear night

49° 💧 None 💨 9 mph H 74%30.03 inHg

7:00 AM

Clear night

43° 💧 None 💨 5 mph H 94%30.06 inHg

1:00 PM

Mostly cloudy

56° 💧 None 💨 6 mph H 59%30.06 inHg

7:00 PM

Sunny

53° 💧 None 💨 2 mph H 76%30.00 inHg

Monday

1:00 AM

Mostly clear night

45° 💧 None 💨 6 mph H 92%30.06 inHg

7:00 AM

Partly cloudy night

42° 💧 None 💨 5 mph H 93%30.09 inHg

1:00 PM

Partly cloudy

58° 💧 None 💨 9 mph H 60%30.03 inHg

7:00 PM

Mostly sunny

56° 💧 None 💨 9 mph H 71%29.94 inHg

Tuesday

1:00 AM

Clear night

49° 💧 None 💨 9 mph H 83%30.03 inHg

7:00 AM

Overcast night

49° 💧 None 💨 11 mph H 78%30.00 inHg

1:00 PM

Light rain

52° 💧 None 💨 13 mph H 77%29.94 inHg

7:00 PM

Overcast

53° 💧 None 💨 16 mph H 84%29.88 inHg

Wednesday

1:00 AM

Light rain

51° 💧 None 💨 16 mph H 90%29.88 inHg

7:00 AM

Moderate rain

52° 💧 None 💨 18 mph H 93%29.83 inHg

In Loomis and, more broadly, across the state of South Dakota: This morning will start with mostly cloudy skies and cool temperatures around 52 to 56 degrees Fahrenheit. Winds will be coming from the east at about 10 mph, with gusts reaching up to 17 mph. There is a possibility of light rain throughout the day, with total accumulation around 0.16 inches. As the afternoon progresses, the cloudy conditions are expected to persist, and the chance of rain remains high. Temperatures are likely to stay in the same cool range, and breezes from the east will continue at similar speeds. Overall, it will be a damp, breezy day with limited sunshine. Be prepared for possible showers if you're heading outdoors.

15-Day Weather Outlook for Loomis

TomorrowTomorrow

Mostly sunny 68°/56° 💧 None 💨 18 mph

Thursday, Sep 24Thu Sep 24

Overcast 67°/59° 💧 None 💨 16 mph

Friday, Sep 25Fri Sep 25

Light rain 65°/60° 💧 0.780 in 💨 18 mph

Saturday, Sep 26Sat Sep 26

Overcast 81°/63° 💧 0.011 in 💨 14 mph

Sunday, Sep 27Sun Sep 27

Light rain 77°/63° 💧 0.013 in 💨 4 mph

Monday, Sep 28Mon Sep 28

Partly cloudy 76°/63° 💧 0.002 in 💨 15 mph

Tuesday, Sep 29Tue Sep 29

Moderate rain 65°/57° 💧 1.063 in 💨 16 mph

Wednesday, Sep 30Wed Sep 30

Sunny 63°/44° 💧 None 💨 5 mph

Thursday, Oct 1Thu Oct 1

Mostly cloudy 68°/50° 💧 0.010 in 💨 12 mph

Friday, Oct 2Fri Oct 2

Light rain 61°/53° 💧 0.058 in 💨 24 mph

Saturday, Oct 3Sat Oct 3

Light rain 55°/53° 💧 0.123 in 💨 20 mph

Sunday, Oct 4Sun Oct 4

Mostly sunny 56°/43° 💧 None 💨 9 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 58°/42° 💧 None 💨 9 mph

Tuesday, Oct 6Tue Oct 6

Light rain 53°/49° 💧 0.041 in 💨 16 mph

Wednesday, Oct 7Wed Oct 7

Moderate rain 52°/51° 💧 0.401 in 💨 18 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Loomis

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Loomis

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 7:00 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 1,4µg/m³

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

O₃ Ozone Good 60,0µg/m³

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

NO₂ Nitrogen dioxide Good 1,2µg/m³

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

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Loomis

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 1,4Low 😊Good

Tomorrow UV 5,5Moderate 🙂Fair

Thursday UV 2,3Low 🙂Fair

Friday UV 1,0Low 🙂Fair

Saturday UV 4,9Moderate 🙂Fair

Sunday UV 4,0Moderate —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 PMUV 0,0

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

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

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 Loomis

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · LOOMIS, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

79/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 9:06 PM–5:44 AM

☁ Cloud cover 26% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 59° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min63%

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

SEP 20–NOV 20

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

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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.

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Forecast data for Loomis were last refreshed today at 6:11 PM. The current forecast period extends through 24/09/2026 at 4:00 PM. 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.