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

Now · 7:24 AM

Morristown Weather & Hourly Forecast

United States · South Dakota · 57645

70°F

Sunny

Feels like: 71°F

💧 Humidity 94% 🌡 Pressure 29.88 inHg 💨 Wind 9 mph 👁 Visibility 17.0 mi ☁ Clouds 0% ☀️ UV index 0.2 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Morristown

Today

8:00 AM

Sunny

73° 💧 None 💨 8 mph H 87%29.91 inHg

11:00 AM

Sunny

84° 💧 None 💨 9 mph H 60%29.88 inHg

2:00 PM

Strong thunderstorm

92° 💧 0.008 in 💨 9 mph H 37%29.80 inHg

5:00 PM

Partly cloudy

85° 💧 0.014 in 💨 15 mph H 51%29.77 inHg

8:00 PM

Light thunderstorms

76° 💧 0.107 in 💨 2 mph H 80%29.85 inHg

11:00 PM

Light rain

71° 💧 0.015 in 💨 17 mph H 90%29.80 inHg

Tomorrow

2:00 AM

Mostly cloudy night

73° 💧 None 💨 14 mph H 88%29.74 inHg

5:00 AM

Mostly cloudy night

72° 💧 None 💨 14 mph H 94%29.71 inHg

8:00 AM

Overcast

74° 💧 0.049 in 💨 5 mph H 84%29.71 inHg

11:00 AM

Light rain

79° 💧 0.005 in 💨 10 mph H 69%29.68 inHg

2:00 PM

Mostly sunny

88° 💧 None 💨 15 mph H 42%29.59 inHg

5:00 PM

Sunny

89° 💧 None 💨 11 mph H 29%29.59 inHg

8:00 PM

Clear night

76° 💧 None 💨 5 mph H 52%29.68 inHg

11:00 PM

Mostly clear night

73° 💧 0.003 in 💨 10 mph H 61%29.77 inHg

Tuesday

2:00 AM

Clear night

68° 💧 None 💨 9 mph H 68%29.80 inHg

5:00 AM

Mostly clear night

63° 💧 None 💨 5 mph H 71%29.85 inHg

Today

8:00 AM

Sunny

73° 💧 None 💨 8 mph H 87%29.91 inHg

9:00 AM

Sunny

77° 💧 None 💨 10 mph H 78%29.91 inHg

10:00 AM

Sunny

81° 💧 None 💨 9 mph H 68%29.88 inHg

11:00 AM

Sunny

84° 💧 None 💨 9 mph H 60%29.88 inHg

12:00 PM

Sunny

88° 💧 None 💨 9 mph H 52%29.85 inHg

1:00 PM

Strong thunderstorm

91° 💧 None 💨 10 mph H 42%29.83 inHg

2:00 PM

Strong thunderstorm

92° 💧 0.000 in 💨 9 mph H 37%29.80 inHg

3:00 PM

Strong thunderstorm

86° 💧 0.001 in 💨 14 mph H 47%29.83 inHg

4:00 PM

Light rain

84° 💧 0.007 in 💨 14 mph H 56%29.80 inHg

5:00 PM

Partly cloudy

85° 💧 0.002 in 💨 15 mph H 51%29.77 inHg

6:00 PM

Mostly cloudy

81° 💧 None 💨 17 mph H 63%29.80 inHg

7:00 PM

Light thunderstorms

77° 💧 0.011 in 💨 5 mph H 73%29.85 inHg

8:00 PM

Light thunderstorms

76° 💧 0.015 in 💨 2 mph H 80%29.85 inHg

9:00 PM

Light rain

73° 💧 0.039 in 💨 12 mph H 88%29.85 inHg

10:00 PM

Light rain

71° 💧 0.052 in 💨 19 mph H 91%29.83 inHg

11:00 PM

Light rain

71° 💧 0.013 in 💨 17 mph H 90%29.80 inHg

Tomorrow

12:00 AM

Mostly cloudy night

72° 💧 0.001 in 💨 14 mph H 89%29.80 inHg

1:00 AM

Mostly cloudy night

73° 💧 None 💨 15 mph H 88%29.77 inHg

2:00 AM

Mostly cloudy night

73° 💧 None 💨 14 mph H 88%29.74 inHg

3:00 AM

Partly cloudy night

72° 💧 None 💨 13 mph H 90%29.74 inHg

4:00 AM

Mostly cloudy night

71° 💧 None 💨 12 mph H 93%29.74 inHg

5:00 AM

Mostly cloudy night

72° 💧 None 💨 14 mph H 94%29.71 inHg

6:00 AM

Mostly cloudy night

72° 💧 None 💨 16 mph H 92%29.71 inHg

7:00 AM

Mostly cloudy

72° 💧 None 💨 15 mph H 90%29.71 inHg

8:00 AM

Overcast

74° 💧 0.002 in 💨 5 mph H 84%29.71 inHg

9:00 AM

Light rain

73° 💧 0.024 in 💨 6 mph H 91%29.71 inHg

10:00 AM

Light rain

74° 💧 0.023 in 💨 12 mph H 92%29.68 inHg

11:00 AM

Light rain

79° 💧 0.005 in 💨 10 mph H 69%29.68 inHg

12:00 PM

Partly cloudy

82° 💧 None 💨 9 mph H 59%29.65 inHg

1:00 PM

Mostly sunny

87° 💧 None 💨 12 mph H 44%29.62 inHg

2:00 PM

Mostly sunny

88° 💧 None 💨 15 mph H 42%29.59 inHg

3:00 PM

Sunny

90° 💧 None 💨 15 mph H 31%29.59 inHg

4:00 PM

Sunny

90° 💧 None 💨 13 mph H 29%29.59 inHg

5:00 PM

Sunny

89° 💧 None 💨 11 mph H 29%29.59 inHg

6:00 PM

Mostly sunny

86° 💧 None 💨 8 mph H 35%29.62 inHg

7:00 PM

Sunny

81° 💧 None 💨 7 mph H 46%29.65 inHg

8:00 PM

Clear night

76° 💧 None 💨 5 mph H 52%29.68 inHg

9:00 PM

Clear night

74° 💧 None 💨 4 mph H 59%29.71 inHg

10:00 PM

Mostly clear night

73° 💧 None 💨 6 mph H 60%29.74 inHg

11:00 PM

Mostly clear night

73° 💧 0.002 in 💨 10 mph H 61%29.77 inHg

Tuesday

12:00 AM

Clear night

71° 💧 0.001 in 💨 10 mph H 67%29.77 inHg

1:00 AM

Clear night

69° 💧 None 💨 8 mph H 71%29.77 inHg

2:00 AM

Clear night

68° 💧 None 💨 9 mph H 68%29.80 inHg

3:00 AM

Clear night

67° 💧 None 💨 10 mph H 66%29.83 inHg

4:00 AM

Clear night

65° 💧 None 💨 7 mph H 68%29.85 inHg

5:00 AM

Mostly clear night

63° 💧 None 💨 5 mph H 71%29.85 inHg

6:00 AM

Mostly clear night

62° 💧 None 💨 5 mph H 74%29.88 inHg

7:00 AM

Mostly sunny

62° 💧 None 💨 7 mph H 74%29.88 inHg

8:00 AM

Sunny

66° 💧 None 💨 9 mph H 67%29.91 inHg

9:00 AM

Sunny

70° 💧 None 💨 13 mph H 50%29.91 inHg

10:00 AM

Sunny

72° 💧 None 💨 16 mph H 34%29.91 inHg

11:00 AM

Sunny

74° 💧 None 💨 17 mph H 31%29.91 inHg

12:00 PM

Sunny

76° 💧 None 💨 19 mph H 29%29.91 inHg

1:00 PM

Sunny

77° 💧 None 💨 21 mph H 26%29.88 inHg

2:00 PM

Sunny

78° 💧 None 💨 22 mph H 24%29.88 inHg

3:00 PM

Sunny

78° 💧 None 💨 23 mph H 25%29.88 inHg

4:00 PM

Sunny

78° 💧 None 💨 22 mph H 27%29.88 inHg

5:00 PM

Sunny

77° 💧 None 💨 21 mph H 29%29.91 inHg

6:00 PM

Sunny

75° 💧 None 💨 17 mph H 31%29.91 inHg

Wednesday

3:00 AM

Clear night

59° 💧 None 💨 18 mph H 66%30.09 inHg

6:00 AM

Clear night

57° 💧 None 💨 12 mph H 77%30.15 inHg

9:00 AM

Sunny

63° 💧 None 💨 15 mph H 62%30.15 inHg

12:00 PM

Sunny

72° 💧 None 💨 16 mph H 38%30.12 inHg

3:00 PM

Sunny

75° 💧 None 💨 13 mph H 30%30.09 inHg

6:00 PM

Sunny

74° 💧 None 💨 9 mph H 29%30.03 inHg

9:00 PM

Clear night

65° 💧 None 💨 1 mph H 44%30.03 inHg

Thursday

12:00 AM

Clear night

60° 💧 None 💨 5 mph H 51%30.00 inHg

3:00 AM

Clear night

60° 💧 None 💨 8 mph H 49%29.97 inHg

6:00 AM

Clear night

59° 💧 None 💨 8 mph H 50%29.94 inHg

9:00 AM

Mostly sunny

70° 💧 None 💨 10 mph H 38%29.91 inHg

12:00 PM

Mostly sunny

84° 💧 None 💨 13 mph H 23%29.80 inHg

3:00 PM

Sunny

89° 💧 None 💨 11 mph H 15%29.71 inHg

6:00 PM

Sunny

85° 💧 None 💨 8 mph H 18%29.65 inHg

9:00 PM

Clear night

71° 💧 None 💨 4 mph H 28%29.65 inHg

Friday

12:00 AM

Mostly clear night

66° 💧 None 💨 2 mph H 32%29.65 inHg

3:00 AM

Mostly cloudy night

62° 💧 None 💨 5 mph H 35%29.62 inHg

6:00 AM

Mostly clear night

60° 💧 None 💨 5 mph H 40%29.59 inHg

9:00 AM

Sunny

66° 💧 None 💨 14 mph H 45%29.65 inHg

12:00 PM

Sunny

71° 💧 None 💨 23 mph H 35%29.74 inHg

3:00 PM

Sunny

71° 💧 None 💨 18 mph H 40%29.77 inHg

6:00 PM

Sunny

67° 💧 None 💨 12 mph H 36%29.83 inHg

9:00 PM

Clear night

61° 💧 None 💨 7 mph H 42%29.88 inHg

Saturday

12:00 AM

Mostly clear night

55° 💧 None 💨 4 mph H 56%29.91 inHg

6:00 AM

Mostly cloudy night

58° 💧 None 💨 5 mph H 56%29.88 inHg

12:00 PM

Light rain

54° 💧 None 💨 1 mph H 86%29.91 inHg

6:00 PM

Partly cloudy

66° 💧 None 💨 11 mph H 47%29.85 inHg

Sunday

12:00 AM

Overcast night

70° 💧 None 💨 14 mph H 39%29.71 inHg

6:00 AM

Heavy rain

52° 💧 None 💨 20 mph H 93%29.80 inHg

12:00 PM

Light rain

50° 💧 None 💨 16 mph H 95%29.85 inHg

6:00 PM

Overcast

56° 💧 None 💨 16 mph H 74%29.94 inHg

Monday

12:00 AM

Overcast night

52° 💧 None 💨 12 mph H 84%30.06 inHg

6:00 AM

Clear night

47° 💧 None 💨 5 mph H 96%30.15 inHg

12:00 PM

Sunny

45° 💧 None 💨 6 mph H 96%30.18 inHg

6:00 PM

Overcast

53° 💧 None 💨 12 mph H 60%30.21 inHg

Tuesday

12:00 AM

Partly cloudy night

55° 💧 None 💨 11 mph H 51%30.15 inHg

6:00 AM

Clear night

44° 💧 None 💨 2 mph H 80%30.21 inHg

12:00 PM

Sunny

41° 💧 None 💨 5 mph H 86%30.24 inHg

6:00 PM

Sunny

62° 💧 None 💨 6 mph H 45%30.24 inHg

Wednesday

12:00 AM

Clear night

64° 💧 None 💨 1 mph H 60%30.15 inHg

6:00 AM

Clear night

51° 💧 None 💨 7 mph H 62%30.18 inHg

12:00 PM

Sunny

48° 💧 None 💨 6 mph H 82%30.12 inHg

6:00 PM

Partly cloudy

69° 💧 None 💨 11 mph H 57%30.00 inHg

Thursday

12:00 AM

Overcast night

73° 💧 None 💨 9 mph H 57%29.83 inHg

6:00 AM

Partly cloudy night

64° 💧 None 💨 9 mph H 70%29.85 inHg

12:00 PM

Mostly sunny

52° 💧 None 💨 16 mph H 83%30.00 inHg

6:00 PM

Mostly sunny

56° 💧 None 💨 14 mph H 55%30.09 inHg

Friday

12:00 AM

Overcast night

57° 💧 None 💨 7 mph H 46%30.03 inHg

6:00 AM

Overcast night

51° 💧 None 💨 6 mph H 66%30.09 inHg

12:00 PM

Partly cloudy

45° 💧 None 💨 8 mph H 79%30.09 inHg

6:00 PM

Mostly sunny

57° 💧 None 💨 11 mph H 46%30.09 inHg

Saturday

12:00 AM

Mostly cloudy night

56° 💧 None 💨 9 mph H 43%30.00 inHg

6:00 AM

Mostly cloudy night

45° 💧 None 💨 3 mph H 69%30.09 inHg

12:00 PM

Partly cloudy

43° 💧 None 💨 5 mph H 90%30.24 inHg

6:00 PM

Partly cloudy

55° 💧 None 💨 14 mph H 41%30.30 inHg

Sunday

12:00 AM

Mostly cloudy night

55° 💧 None 💨 11 mph H 42%30.27 inHg

6:00 AM

Clear night

42° 💧 None 💨 1 mph H 69%30.39 inHg

12:00 PM

Sunny

38° 💧 None 💨 5 mph H 76%30.42 inHg

6:00 PM

Sunny

59° 💧 None 💨 12 mph H 42%30.33 inHg

Monday

12:00 AM

Clear night

60° 💧 None 💨 13 mph H 47%30.15 inHg

In Morristown and, more broadly, across the state of South Dakota: This morning will feature a mix of sun and clouds, with temperatures warming up quickly. Expect the thermometer to reach between 71 and 87 degrees Fahrenheit, making for a warm start to the day. Winds from the south will be noticeable, with sustained speeds around 19 mph and gusts up to 23 mph. As the day progresses into the afternoon, there remains a possibility of light rain, with an estimated accumulation of about 0.03 inches. The maximum probability of rain is around 48%. Overall, it will be a warm and breezy day, with some scattered showers likely in the late morning or early afternoon. Residents should be prepared for brief periods of rain and gusty winds as the weather shifts throughout the day.

15-Day Weather Outlook for Morristown

TomorrowTomorrow

Light thunderstorms 90°/71° 💧 None 💨 19 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 86°/62° 💧 None 💨 23 mph

Wednesday, Sep 9Wed Sep 9

Sunny 75°/57° 💧 0.117 in 💨 18 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 89°/59° 💧 None 💨 13 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 85°/60° 💧 None 💨 23 mph

Saturday, Sep 12Sat Sep 12

Light rain 67°/54° 💧 0.225 in 💨 12 mph

Sunday, Sep 13Sun Sep 13

Heavy rain 70°/50° 💧 1.468 in 💨 20 mph

Monday, Sep 14Mon Sep 14

Overcast 56°/45° 💧 0.466 in 💨 16 mph

Tuesday, Sep 15Tue Sep 15

Overcast 55°/41° 💧 0.003 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Sunny 64°/48° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 73°/52° 💧 None 💨 16 mph

Friday, Sep 18Fri Sep 18

Overcast 57°/45° 💧 0.004 in 💨 14 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 57°/43° 💧 0.095 in 💨 11 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 55°/38° 💧 None 💨 14 mph

Monday, Sep 21Mon Sep 21

Sunny 60°/59° 💧 None 💨 13 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Morristown

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Morristown

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 8:00 AM

PM2.5 Fine particles Good 2,1µg/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 2,5µg/m³

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

O₃ Ozone Good 53,7µg/m³

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

NO₂ Nitrogen dioxide Good 1,1µg/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 Morristown

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 7,0High 😊Good

Tomorrow UV 4,0Moderate 🙂Fair

Tuesday UV 6,0High 😐Moderate

Wednesday UV 5,6Moderate 🙂Fair

Thursday UV 7,0High 🙂Fair

Friday UV 8,0Very high —Unavailable

Saturday UV 6,0High —Unavailable

Hourly UV index today

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

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 Morristown

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · MORRISTOWN, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

69/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 30% Real hourly forecast for the best viewing hour.

☾ Moonlight 23% Waning Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 28° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

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 Morristown were last refreshed today at 7:24 AM. The current forecast period extends through 08/09/2026 at 5:00 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.