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Current weather in Gregory is clear sky.

Where can I find the hourly weather forecast for Gregory?

This page shows hourly weather forecast for Gregory, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Gregory updated regularly?

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

Now · 5:50 AM

Gregory Weather & Hourly Forecast

United States · South Dakota · 57533

60°F

Clear night

Feels like: 55°F

💧 Humidity 71% 🌡 Pressure 30.03 inHg 💨 Wind 9 mph 👁 Visibility 26.7 mi ☁ Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Gregory

Today

6:00 AM

Clear night

60° 💧 None 💨 9 mph H 71%30.03 inHg

9:00 AM

Mostly sunny

66° 💧 None 💨 12 mph H 66%30.03 inHg

12:00 PM

Sunny

78° 💧 None 💨 17 mph H 47%29.97 inHg

3:00 PM

Sunny

84° 💧 None 💨 15 mph H 45%29.88 inHg

6:00 PM

Sunny

86° 💧 None 💨 12 mph H 38%29.80 inHg

9:00 PM

Clear night

77° 💧 None 💨 15 mph H 59%29.80 inHg

Tomorrow

12:00 AM

Clear night

74° 💧 None 💨 16 mph H 64%29.80 inHg

3:00 AM

Partly cloudy night

72° 💧 None 💨 16 mph H 67%29.74 inHg

6:00 AM

Mostly cloudy night

70° 💧 None 💨 17 mph H 78%29.71 inHg

9:00 AM

Mostly sunny

73° 💧 None 💨 16 mph H 73%29.65 inHg

12:00 PM

Mostly cloudy

85° 💧 None 💨 20 mph H 45%29.59 inHg

3:00 PM

Overcast

93° 💧 None 💨 18 mph H 14%29.53 inHg

6:00 PM

Sunny

90° 💧 None 💨 17 mph H 18%29.53 inHg

9:00 PM

Clear night

78° 💧 None 💨 21 mph H 47%29.68 inHg

Saturday

12:00 AM

Clear night

69° 💧 None 💨 18 mph H 51%29.85 inHg

3:00 AM

Clear night

63° 💧 None 💨 11 mph H 51%29.94 inHg

Today

6:00 AM

Clear night

60° 💧 None 💨 9 mph H 71%30.03 inHg

7:00 AM

Clear night

60° 💧 None 💨 11 mph H 76%30.03 inHg

8:00 AM

Sunny

62° 💧 None 💨 13 mph H 73%30.03 inHg

9:00 AM

Mostly sunny

66° 💧 None 💨 12 mph H 66%30.03 inHg

10:00 AM

Sunny

71° 💧 None 💨 13 mph H 58%30.00 inHg

11:00 AM

Sunny

75° 💧 None 💨 14 mph H 50%30.00 inHg

12:00 PM

Sunny

78° 💧 None 💨 17 mph H 47%29.97 inHg

1:00 PM

Sunny

81° 💧 None 💨 17 mph H 48%29.94 inHg

2:00 PM

Sunny

83° 💧 None 💨 16 mph H 49%29.91 inHg

3:00 PM

Sunny

84° 💧 None 💨 15 mph H 45%29.88 inHg

4:00 PM

Mostly sunny

85° 💧 None 💨 13 mph H 40%29.85 inHg

5:00 PM

Mostly sunny

86° 💧 None 💨 11 mph H 38%29.83 inHg

6:00 PM

Sunny

86° 💧 None 💨 12 mph H 38%29.80 inHg

7:00 PM

Sunny

83° 💧 None 💨 13 mph H 46%29.77 inHg

8:00 PM

Clear night

79° 💧 None 💨 12 mph H 55%29.77 inHg

9:00 PM

Clear night

77° 💧 None 💨 15 mph H 59%29.80 inHg

10:00 PM

Clear night

76° 💧 None 💨 15 mph H 61%29.80 inHg

11:00 PM

Clear night

75° 💧 None 💨 15 mph H 62%29.80 inHg

Tomorrow

12:00 AM

Clear night

74° 💧 None 💨 16 mph H 64%29.80 inHg

1:00 AM

Clear night

73° 💧 None 💨 16 mph H 65%29.80 inHg

2:00 AM

Partly cloudy night

72° 💧 None 💨 16 mph H 65%29.77 inHg

3:00 AM

Partly cloudy night

72° 💧 None 💨 16 mph H 67%29.74 inHg

4:00 AM

Mostly clear night

71° 💧 None 💨 16 mph H 71%29.74 inHg

5:00 AM

Partly cloudy night

71° 💧 None 💨 16 mph H 76%29.71 inHg

6:00 AM

Mostly cloudy night

70° 💧 None 💨 17 mph H 78%29.71 inHg

7:00 AM

Mostly clear night

70° 💧 None 💨 17 mph H 80%29.68 inHg

8:00 AM

Partly cloudy

71° 💧 None 💨 17 mph H 79%29.68 inHg

9:00 AM

Mostly sunny

73° 💧 None 💨 16 mph H 73%29.65 inHg

10:00 AM

Partly cloudy

77° 💧 None 💨 19 mph H 64%29.62 inHg

11:00 AM

Partly cloudy

81° 💧 None 💨 20 mph H 57%29.62 inHg

12:00 PM

Mostly cloudy

85° 💧 None 💨 20 mph H 45%29.59 inHg

1:00 PM

Mostly cloudy

88° 💧 None 💨 19 mph H 36%29.56 inHg

2:00 PM

Overcast

92° 💧 None 💨 19 mph H 22%29.53 inHg

3:00 PM

Overcast

93° 💧 None 💨 18 mph H 14%29.53 inHg

4:00 PM

Mostly cloudy

94° 💧 None 💨 16 mph H 13%29.50 inHg

5:00 PM

Mostly sunny

92° 💧 None 💨 17 mph H 15%29.53 inHg

6:00 PM

Sunny

90° 💧 None 💨 17 mph H 18%29.53 inHg

7:00 PM

Sunny

86° 💧 None 💨 15 mph H 21%29.56 inHg

8:00 PM

Clear night

83° 💧 None 💨 17 mph H 28%29.62 inHg

9:00 PM

Clear night

78° 💧 None 💨 21 mph H 47%29.68 inHg

10:00 PM

Clear night

75° 💧 None 💨 20 mph H 50%29.74 inHg

11:00 PM

Clear night

72° 💧 None 💨 19 mph H 50%29.80 inHg

Saturday

12:00 AM

Clear night

69° 💧 None 💨 18 mph H 51%29.85 inHg

1:00 AM

Clear night

67° 💧 None 💨 14 mph H 50%29.85 inHg

2:00 AM

Clear night

65° 💧 None 💨 9 mph H 51%29.91 inHg

3:00 AM

Clear night

63° 💧 None 💨 11 mph H 51%29.94 inHg

4:00 AM

Mostly clear night

62° 💧 None 💨 11 mph H 51%29.94 inHg

5:00 AM

Mostly clear night

60° 💧 None 💨 9 mph H 53%30.00 inHg

6:00 AM

Clear night

59° 💧 None 💨 10 mph H 56%30.00 inHg

7:00 AM

Mostly clear night

58° 💧 None 💨 9 mph H 60%30.03 inHg

8:00 AM

Partly cloudy

58° 💧 None 💨 10 mph H 61%30.06 inHg

9:00 AM

Sunny

60° 💧 None 💨 11 mph H 57%30.06 inHg

10:00 AM

Sunny

63° 💧 None 💨 12 mph H 52%30.09 inHg

11:00 AM

Sunny

66° 💧 None 💨 12 mph H 48%30.09 inHg

12:00 PM

Mostly sunny

68° 💧 None 💨 12 mph H 43%30.09 inHg

1:00 PM

Mostly sunny

70° 💧 None 💨 10 mph H 40%30.09 inHg

2:00 PM

Mostly sunny

71° 💧 None 💨 9 mph H 39%30.06 inHg

3:00 PM

Partly cloudy

72° 💧 None 💨 8 mph H 37%30.06 inHg

4:00 PM

Mostly cloudy

72° 💧 None 💨 8 mph H 37%30.03 inHg

5:00 PM

Mostly cloudy

72° 💧 None 💨 6 mph H 37%30.03 inHg

6:00 PM

Partly cloudy

71° 💧 None 💨 6 mph H 38%30.03 inHg

7:00 PM

Partly cloudy

70° 💧 None 💨 5 mph H 41%30.03 inHg

10:00 PM

Overcast night

64° 💧 None 💨 4 mph H 53%30.06 inHg

Sunday

1:00 AM

Partly cloudy night

62° 💧 None 💨 7 mph H 58%30.03 inHg

4:00 AM

Overcast night

62° 💧 None 💨 8 mph H 55%30.03 inHg

7:00 AM

Heavy rain

57° 💧 None 💨 10 mph H 88%30.03 inHg

10:00 AM

Light rain

57° 💧 None 💨 10 mph H 93%30.09 inHg

1:00 PM

Light rain

61° 💧 None 💨 13 mph H 81%30.06 inHg

4:00 PM

Overcast

65° 💧 None 💨 16 mph H 67%29.97 inHg

7:00 PM

Partly cloudy

65° 💧 None 💨 13 mph H 70%29.94 inHg

10:00 PM

Overcast night

63° 💧 None 💨 15 mph H 81%29.94 inHg

Monday

1:00 AM

Overcast night

61° 💧 None 💨 13 mph H 88%29.88 inHg

4:00 AM

Light rain

61° 💧 None 💨 15 mph H 90%29.83 inHg

7:00 AM

Moderate rain

63° 💧 None 💨 18 mph H 97%29.71 inHg

10:00 AM

Overcast

66° 💧 None 💨 12 mph H 96%29.71 inHg

1:00 PM

Overcast

76° 💧 None 💨 12 mph H 74%29.71 inHg

4:00 PM

Mostly cloudy

75° 💧 None 💨 16 mph H 68%29.74 inHg

7:00 PM

Partly cloudy

72° 💧 None 💨 11 mph H 59%29.80 inHg

10:00 PM

Overcast night

66° 💧 None 💨 10 mph H 46%29.88 inHg

Tuesday

1:00 AM

Mostly cloudy night

62° 💧 None 💨 9 mph H 49%29.97 inHg

4:00 AM

Mostly cloudy night

59° 💧 None 💨 6 mph H 50%30.03 inHg

7:00 AM

Mostly cloudy night

57° 💧 None 💨 12 mph H 53%30.12 inHg

10:00 AM

Moderate rain

54° 💧 None 💨 14 mph H 74%30.24 inHg

1:00 PM

Overcast

53° 💧 None 💨 7 mph H 79%30.27 inHg

4:00 PM

Partly cloudy

60° 💧 None 💨 6 mph H 55%30.21 inHg

7:00 PM

Overcast

60° 💧 None 💨 2 mph H 58%30.21 inHg

Wednesday

1:00 AM

Partly cloudy night

52° 💧 None 💨 6 mph H 78%30.27 inHg

7:00 AM

Overcast night

50° 💧 None 💨 6 mph H 84%30.27 inHg

1:00 PM

Overcast

60° 💧 None 💨 12 mph H 61%30.24 inHg

7:00 PM

Overcast

63° 💧 None 💨 8 mph H 61%30.15 inHg

Thursday

1:00 AM

Mostly clear night

55° 💧 None 💨 5 mph H 87%30.21 inHg

7:00 AM

Clear night

53° 💧 None 💨 10 mph H 78%30.36 inHg

1:00 PM

Sunny

66° 💧 None 💨 10 mph H 47%30.42 inHg

7:00 PM

Sunny

64° 💧 None 💨 2 mph H 57%30.30 inHg

Friday

1:00 AM

Clear night

53° 💧 None 💨 8 mph H 74%30.30 inHg

7:00 AM

Clear night

53° 💧 None 💨 14 mph H 72%30.24 inHg

1:00 PM

Sunny

75° 💧 None 💨 14 mph H 49%30.15 inHg

7:00 PM

Sunny

76° 💧 None 💨 8 mph H 56%30.03 inHg

Saturday

1:00 AM

Clear night

64° 💧 None 💨 13 mph H 61%30.06 inHg

7:00 AM

Clear night

59° 💧 None 💨 9 mph H 75%30.06 inHg

1:00 PM

Sunny

80° 💧 None 💨 3 mph H 47%30.03 inHg

7:00 PM

Sunny

75° 💧 None 💨 6 mph H 52%30.00 inHg

Sunday

1:00 AM

Clear night

65° 💧 None 💨 9 mph H 72%30.00 inHg

7:00 AM

Clear night

61° 💧 None 💨 12 mph H 79%30.03 inHg

1:00 PM

Sunny

79° 💧 None 💨 14 mph H 45%30.00 inHg

7:00 PM

Sunny

76° 💧 None 💨 17 mph H 48%29.94 inHg

Monday

1:00 AM

Mostly clear night

65° 💧 None 💨 18 mph H 69%30.03 inHg

7:00 AM

Partly cloudy night

59° 💧 None 💨 18 mph H 76%30.03 inHg

1:00 PM

Mostly sunny

75° 💧 None 💨 20 mph H 51%30.00 inHg

7:00 PM

Partly cloudy

74° 💧 None 💨 19 mph H 49%29.97 inHg

Tuesday

1:00 AM

Partly cloudy night

65° 💧 None 💨 18 mph H 62%30.09 inHg

7:00 AM

Overcast night

62° 💧 None 💨 16 mph H 70%30.12 inHg

1:00 PM

Mostly sunny

80° 💧 None 💨 14 mph H 44%30.12 inHg

7:00 PM

Partly cloudy

80° 💧 None 💨 9 mph H 46%30.09 inHg

Wednesday

1:00 AM

Partly cloudy night

69° 💧 None 💨 11 mph H 60%30.15 inHg

7:00 AM

Mostly cloudy night

65° 💧 None 💨 6 mph H 74%30.18 inHg

1:00 PM

Mostly cloudy

81° 💧 None 💨 8 mph H 45%30.18 inHg

7:00 PM

Overcast

79° 💧 None 💨 6 mph H 46%30.09 inHg

Thursday

1:00 AM

Overcast night

71° 💧 None 💨 12 mph H 56%30.09 inHg

7:00 AM

Partly cloudy night

64° 💧 None 💨 12 mph H 57%30.06 inHg

1:00 PM

Light rain

70° 💧 None 💨 13 mph H 70%30.03 inHg

7:00 PM

Overcast

74° 💧 None 💨 18 mph H 53%29.91 inHg

In Gregory and, more broadly, across the state of South Dakota: Clear skies will continue into the evening, with temperatures remaining mild to warm, ranging from 71 to 75 degrees Fahrenheit. Light northwest winds will prevail, generally around 9 mph, with occasional gusts up to 14 mph. No rain is expected during this time, providing a calm and comfortable evening. Conditions are ideal for outdoor activities or relaxing under the clear night sky. Temperatures are expected to stay steady over the next few hours, gradually cooling but remaining comfortable. Overall, it’s a peaceful evening with pleasant weather conditions.

15-Day Weather Outlook for Gregory

TomorrowTomorrow

Partly cloudy 94°/70° 💧 None 💨 20 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 86°/58° 💧 None 💨 21 mph

Sunday, Sep 13Sun Sep 13

Heavy rain 70°/57° 💧 0.984 in 💨 16 mph

Monday, Sep 14Mon Sep 14

Moderate rain 76°/61° 💧 0.192 in 💨 18 mph

Tuesday, Sep 15Tue Sep 15

Moderate rain 72°/53° 💧 0.177 in 💨 14 mph

Wednesday, Sep 16Wed Sep 16

Overcast 60°/50° 💧 0.015 in 💨 12 mph

Thursday, Sep 17Thu Sep 17

Overcast 66°/53° 💧 None 💨 10 mph

Friday, Sep 18Fri Sep 18

Sunny 75°/53° 💧 None 💨 14 mph

Saturday, Sep 19Sat Sep 19

Sunny 80°/59° 💧 None 💨 13 mph

Sunday, Sep 20Sun Sep 20

Sunny 79°/61° 💧 None 💨 14 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 76°/59° 💧 None 💨 20 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 80°/62° 💧 None 💨 19 mph

Wednesday, Sep 23Wed Sep 23

Partly cloudy 81°/65° 💧 None 💨 11 mph

Thursday, Sep 24Thu Sep 24

Light rain 79°/64° 💧 0.032 in 💨 13 mph

Friday, Sep 25Fri Sep 25

Overcast 74°/74° 💧 0.017 in 💨 18 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Gregory

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Gregory

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 6:00 AM

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 1,7µg/m³

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

O₃ Ozone Good 42,0µg/m³

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

NO₂ Nitrogen dioxide Good 1,8µg/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 Gregory

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 6,7High 😊Good

Tomorrow UV 6,0High 🙂Fair

Saturday UV 5,6Moderate 🙂Fair

Sunday UV 3,4Moderate 🙂Fair

Monday UV 5,0Moderate 😊Good

Tuesday UV 6,0High —Unavailable

Wednesday UV 7,0High —Unavailable

Hourly UV index today

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

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

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 Gregory

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · GREGORY, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

100/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:35 PM–5:35 AM

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

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 41° 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 min67%

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.

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Forecast data for Gregory were last refreshed today at 5:50 AM. The current forecast period extends through 12/09/2026 at 3:00 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.