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Now · 3:39 PM

St. Helena Weather & Hourly Forecast

United States · Nebraska · 68774

88°F

Mostly sunny

Feels like: 82°F

💧 Humidity 49% 🌡 Pressure 29.59 inHg 💨 Wind 21 mph 👁 Visibility 29.7 mi ☁ Clouds 36% ☀️ UV index 3.7 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for St. Helena

Today

4:00 PM

Mostly sunny

88° 💧 None 💨 21 mph H 49%29.59 inHg

7:00 PM

Sunny

84° 💧 0.005 in 💨 16 mph H 56%29.59 inHg

10:00 PM

Clear night

77° 💧 0.000 in 💨 11 mph H 59%29.68 inHg

Tomorrow

1:00 AM

Clear night

72° 💧 None 💨 12 mph H 64%29.80 inHg

4:00 AM

Clear night

65° 💧 None 💨 12 mph H 62%29.88 inHg

7:00 AM

Partly cloudy night

62° 💧 None 💨 10 mph H 60%29.97 inHg

10:00 AM

Partly cloudy

65° 💧 None 💨 11 mph H 54%30.00 inHg

1:00 PM

Sunny

70° 💧 0.003 in 💨 7 mph H 46%30.03 inHg

4:00 PM

Sunny

74° 💧 None 💨 6 mph H 40%30.00 inHg

7:00 PM

Mostly cloudy

71° 💧 None 💨 2 mph H 59%29.97 inHg

10:00 PM

Partly cloudy night

64° 💧 None 💨 2 mph H 66%30.03 inHg

Sunday

1:00 AM

Mostly clear night

60° 💧 None 💨 1 mph H 81%30.03 inHg

4:00 AM

Mostly cloudy night

58° 💧 0.000 in 💨 1 mph H 89%30.03 inHg

7:00 AM

Light rain

59° 💧 0.073 in 💨 2 mph H 81%30.06 inHg

10:00 AM

Light rain

59° 💧 0.094 in 💨 5 mph H 87%30.12 inHg

1:00 PM

Partly cloudy

67° 💧 None 💨 7 mph H 66%30.09 inHg

Today

4:00 PM

Mostly sunny

88° 💧 None 💨 21 mph H 49%29.59 inHg

5:00 PM

Mostly cloudy

88° 💧 None 💨 17 mph H 51%29.56 inHg

6:00 PM

Mostly cloudy

86° 💧 None 💨 16 mph H 53%29.59 inHg

7:00 PM

Sunny

84° 💧 None 💨 16 mph H 56%29.59 inHg

8:00 PM

Mostly cloudy night

81° 💧 None 💨 16 mph H 58%29.59 inHg

9:00 PM

Light thunderstorms

78° 💧 0.005 in 💨 11 mph H 66%29.65 inHg

10:00 PM

Clear night

77° 💧 0.000 in 💨 11 mph H 59%29.68 inHg

11:00 PM

Clear night

75° 💧 None 💨 12 mph H 62%29.74 inHg

Tomorrow

12:00 AM

Clear night

74° 💧 None 💨 13 mph H 63%29.77 inHg

1:00 AM

Clear night

72° 💧 None 💨 12 mph H 64%29.80 inHg

2:00 AM

Clear night

70° 💧 None 💨 9 mph H 65%29.83 inHg

3:00 AM

Clear night

67° 💧 None 💨 7 mph H 70%29.85 inHg

4:00 AM

Clear night

65° 💧 None 💨 12 mph H 62%29.88 inHg

5:00 AM

Clear night

64° 💧 None 💨 12 mph H 61%29.91 inHg

6:00 AM

Clear night

63° 💧 None 💨 10 mph H 62%29.94 inHg

7:00 AM

Partly cloudy night

62° 💧 None 💨 10 mph H 60%29.97 inHg

8:00 AM

Sunny

62° 💧 None 💨 10 mph H 60%29.97 inHg

9:00 AM

Sunny

64° 💧 None 💨 11 mph H 58%30.00 inHg

10:00 AM

Partly cloudy

65° 💧 None 💨 11 mph H 54%30.00 inHg

11:00 AM

Partly cloudy

68° 💧 None 💨 11 mph H 49%30.03 inHg

12:00 PM

Partly cloudy

69° 💧 None 💨 10 mph H 48%30.03 inHg

1:00 PM

Sunny

70° 💧 0.003 in 💨 7 mph H 46%30.03 inHg

2:00 PM

Mostly sunny

72° 💧 None 💨 7 mph H 43%30.03 inHg

3:00 PM

Sunny

73° 💧 None 💨 6 mph H 41%30.00 inHg

4:00 PM

Sunny

74° 💧 None 💨 6 mph H 40%30.00 inHg

5:00 PM

Mostly sunny

74° 💧 None 💨 5 mph H 39%30.00 inHg

6:00 PM

Mostly sunny

73° 💧 None 💨 3 mph H 40%29.97 inHg

7:00 PM

Mostly cloudy

71° 💧 None 💨 2 mph H 59%29.97 inHg

8:00 PM

Partly cloudy night

67° 💧 None 💨 3 mph H 63%30.00 inHg

9:00 PM

Partly cloudy night

65° 💧 None 💨 4 mph H 66%30.00 inHg

10:00 PM

Partly cloudy night

64° 💧 None 💨 2 mph H 66%30.03 inHg

11:00 PM

Mostly cloudy night

63° 💧 None 💨 1 mph H 68%30.06 inHg

Sunday

12:00 AM

Mostly cloudy night

61° 💧 None 💨 2 mph H 75%30.03 inHg

1:00 AM

Mostly clear night

60° 💧 None 💨 1 mph H 81%30.03 inHg

2:00 AM

Partly cloudy night

59° 💧 None 💨 2 mph H 86%30.03 inHg

3:00 AM

Mostly cloudy night

59° 💧 None 💨 1 mph H 86%30.03 inHg

4:00 AM

Mostly cloudy night

58° 💧 0.000 in 💨 1 mph H 89%30.03 inHg

5:00 AM

Mostly cloudy night

59° 💧 None 💨 6 mph H 86%30.00 inHg

6:00 AM

Overcast night

58° 💧 None 💨 4 mph H 80%30.00 inHg

7:00 AM

Light rain

59° 💧 0.008 in 💨 2 mph H 81%30.06 inHg

8:00 AM

Light rain

59° 💧 0.033 in 💨 2 mph H 88%30.09 inHg

9:00 AM

Light rain

59° 💧 0.032 in 💨 3 mph H 90%30.09 inHg

10:00 AM

Light rain

59° 💧 0.009 in 💨 5 mph H 87%30.12 inHg

11:00 AM

Light rain

62° 💧 0.073 in 💨 5 mph H 84%30.12 inHg

12:00 PM

Light rain

64° 💧 0.011 in 💨 7 mph H 77%30.09 inHg

1:00 PM

Partly cloudy

67° 💧 None 💨 7 mph H 66%30.09 inHg

2:00 PM

Partly cloudy

69° 💧 None 💨 10 mph H 60%30.06 inHg

3:00 PM

Partly cloudy

71° 💧 None 💨 10 mph H 57%30.06 inHg

4:00 PM

Mostly sunny

71° 💧 None 💨 10 mph H 55%30.03 inHg

5:00 PM

Sunny

71° 💧 None 💨 11 mph H 56%30.03 inHg

6:00 PM

Mostly sunny

70° 💧 None 💨 11 mph H 57%30.03 inHg

7:00 PM

Sunny

68° 💧 None 💨 10 mph H 63%30.03 inHg

8:00 PM

Clear night

65° 💧 None 💨 8 mph H 69%30.03 inHg

9:00 PM

Clear night

64° 💧 None 💨 8 mph H 72%30.06 inHg

10:00 PM

Clear night

62° 💧 None 💨 8 mph H 75%30.09 inHg

11:00 PM

Clear night

62° 💧 None 💨 8 mph H 78%30.09 inHg

Monday

12:00 AM

Clear night

61° 💧 None 💨 10 mph H 77%30.06 inHg

1:00 AM

Mostly clear night

61° 💧 None 💨 11 mph H 78%30.06 inHg

2:00 AM

Mostly clear night

60° 💧 None 💨 11 mph H 80%30.06 inHg

3:00 AM

Overcast night

60° 💧 None 💨 12 mph H 81%30.03 inHg

4:00 AM

Overcast night

61° 💧 None 💨 11 mph H 79%30.00 inHg

5:00 AM

Overcast night

61° 💧 None 💨 13 mph H 74%29.97 inHg

6:00 AM

Overcast night

61° 💧 None 💨 14 mph H 73%29.94 inHg

7:00 AM

Light thunderstorms

60° 💧 0.041 in 💨 15 mph H 81%29.94 inHg

10:00 AM

Heavy rain

61° 💧 None 💨 13 mph H 91%29.85 inHg

1:00 PM

Moderate rain

67° 💧 None 💨 12 mph H 90%29.80 inHg

4:00 PM

Mostly cloudy

77° 💧 None 💨 10 mph H 78%29.65 inHg

7:00 PM

Light rain

75° 💧 None 💨 7 mph H 92%29.71 inHg

10:00 PM

Mostly clear night

69° 💧 None 💨 3 mph H 98%29.80 inHg

Tuesday

1:00 AM

Partly cloudy night

68° 💧 None 💨 6 mph H 100%29.85 inHg

4:00 AM

Mostly clear night

64° 💧 None 💨 5 mph H 91%29.94 inHg

7:00 AM

Clear night

58° 💧 None 💨 8 mph H 74%30.03 inHg

10:00 AM

Mostly sunny

64° 💧 None 💨 12 mph H 55%30.12 inHg

1:00 PM

Sunny

67° 💧 None 💨 11 mph H 54%30.15 inHg

4:00 PM

Mostly cloudy

69° 💧 None 💨 8 mph H 53%30.12 inHg

7:00 PM

Sunny

65° 💧 None 💨 4 mph H 66%30.15 inHg

10:00 PM

Mostly clear night

59° 💧 None 💨 4 mph H 80%30.21 inHg

Wednesday

1:00 AM

Overcast night

60° 💧 None 💨 4 mph H 79%30.21 inHg

4:00 AM

Overcast night

60° 💧 None 💨 5 mph H 82%30.21 inHg

7:00 AM

Overcast night

59° 💧 None 💨 5 mph H 81%30.27 inHg

10:00 AM

Overcast

61° 💧 None 💨 7 mph H 79%30.30 inHg

1:00 PM

Mostly cloudy

66° 💧 None 💨 8 mph H 66%30.30 inHg

4:00 PM

Partly cloudy

69° 💧 None 💨 7 mph H 60%30.27 inHg

7:00 PM

Overcast

67° 💧 None 💨 7 mph H 68%30.27 inHg

10:00 PM

Partly cloudy night

64° 💧 None 💨 6 mph H 74%30.33 inHg

Thursday

1:00 AM

Overcast night

59° 💧 None 💨 4 mph H 88%30.33 inHg

4:00 AM

Partly cloudy night

57° 💧 None 💨 4 mph H 93%30.33 inHg

7:00 AM

Mostly cloudy night

56° 💧 None 💨 4 mph H 96%30.36 inHg

1:00 PM

Overcast

72° 💧 None 💨 9 mph H 67%30.30 inHg

7:00 PM

Overcast

71° 💧 None 💨 9 mph H 79%30.15 inHg

Friday

1:00 AM

Moderate rain

67° 💧 None 💨 8 mph H 94%30.12 inHg

7:00 AM

Very heavy rain

66° 💧 None 💨 8 mph H 97%30.03 inHg

1:00 PM

Overcast

75° 💧 None 💨 10 mph H 85%29.88 inHg

7:00 PM

Mostly sunny

77° 💧 None 💨 5 mph H 88%29.77 inHg

Saturday

1:00 AM

Overcast night

69° 💧 None 💨 4 mph H 98%29.83 inHg

7:00 AM

Overcast night

64° 💧 None 💨 10 mph H 98%29.91 inHg

1:00 PM

Overcast

73° 💧 None 💨 9 mph H 78%29.91 inHg

7:00 PM

Overcast

72° 💧 None 💨 7 mph H 80%29.88 inHg

Sunday

1:00 AM

Light rain

67° 💧 None 💨 7 mph H 97%29.88 inHg

7:00 AM

Light rain

65° 💧 None 💨 8 mph H 98%29.80 inHg

1:00 PM

Partly cloudy

72° 💧 None 💨 9 mph H 71%29.74 inHg

7:00 PM

Light rain

68° 💧 None 💨 4 mph H 80%29.71 inHg

Monday

1:00 AM

Overcast night

61° 💧 None 💨 16 mph H 79%29.77 inHg

7:00 AM

Clear night

58° 💧 None 💨 17 mph H 79%29.80 inHg

1:00 PM

Partly cloudy

62° 💧 None 💨 24 mph H 59%29.80 inHg

7:00 PM

Mostly cloudy

59° 💧 None 💨 19 mph H 61%29.83 inHg

Tuesday

1:00 AM

Partly cloudy night

53° 💧 None 💨 16 mph H 73%29.88 inHg

7:00 AM

Mostly clear night

51° 💧 None 💨 16 mph H 75%29.97 inHg

1:00 PM

Overcast

57° 💧 None 💨 16 mph H 63%30.03 inHg

7:00 PM

Overcast

56° 💧 None 💨 9 mph H 68%30.03 inHg

Wednesday

1:00 AM

Overcast night

54° 💧 None 💨 6 mph H 76%30.12 inHg

7:00 AM

Overcast night

52° 💧 None 💨 3 mph H 87%30.15 inHg

1:00 PM

Overcast

58° 💧 None 💨 6 mph H 64%30.21 inHg

7:00 PM

Partly cloudy

58° 💧 None 💨 3 mph H 66%30.21 inHg

Thursday

1:00 AM

Clear night

49° 💧 None 💨 2 mph H 92%30.27 inHg

7:00 AM

Mostly clear night

48° 💧 None 💨 3 mph H 96%30.36 inHg

1:00 PM

Overcast

60° 💧 None 💨 5 mph H 61%30.36 inHg

7:00 PM

Mostly cloudy

58° 💧 None 💨 3 mph H 67%30.33 inHg

Friday

1:00 AM

Partly cloudy night

53° 💧 None 💨 2 mph H 83%30.36 inHg

7:00 AM

Clear night

46° 💧 None 💨 3 mph H 94%30.36 inHg

1:00 PM

Overcast

62° 💧 None 💨 7 mph H 60%30.33 inHg

7:00 PM

Sunny

60° 💧 None 💨 8 mph H 69%30.24 inHg

Saturday

1:00 AM

Clear night

52° 💧 None 💨 7 mph H 85%30.27 inHg

7:00 AM

Clear night

48° 💧 None 💨 7 mph H 89%30.27 inHg

In St. Helena and, more broadly, across the state of Nebraska: As the afternoon progresses into the evening, expect mostly cloudy skies with temperatures remaining warm, ranging from the mid-70s to the high 80s. Winds will be coming from the southwest at moderate speeds, generally around 10 to 18 mph, with gusts reaching up to 24 mph. No rain is anticipated during this time, so conditions will be dry. The combination of warm temperatures and breezy conditions may make for a humid evening, but overall, weather conditions will remain fairly stable. It will remain comfortable for outdoor activities, though it’s advisable to stay hydrated if you plan to be outside for extended periods. Temperatures will gradually cool off as night approaches but will stay within a warm range.

15-Day Weather Outlook for St. Helena

TomorrowTomorrow

Light thunderstorms 84°/62° 💧 None 💨 16 mph

Sunday, Sep 13Sun Sep 13

Mostly cloudy 71°/58° 💧 None 💨 11 mph

Monday, Sep 14Mon Sep 14

Light thunderstorms 77°/59° 💧 0.466 in 💨 16 mph

Tuesday, Sep 15Tue Sep 15

Light rain 72°/58° 💧 0.141 in 💨 12 mph

Wednesday, Sep 16Wed Sep 16

Overcast 70°/56° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 66°/57° 💧 0.449 in 💨 7 mph

Friday, Sep 18Fri Sep 18

Light rain 70°/65° 💧 0.043 in 💨 8 mph

Saturday, Sep 19Sat Sep 19

Light rain 71°/66° 💧 0.213 in 💨 9 mph

Sunday, Sep 20Sun Sep 20

Sunny 71°/48° 💧 0.013 in 💨 13 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 62°/49° 💧 None 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Overcast 61°/57° 💧 0.001 in 💨 13 mph

Wednesday, Sep 23Wed Sep 23

Mostly sunny 66°/58° 💧 0.001 in 💨 14 mph

Thursday, Sep 24Thu Sep 24

Mostly cloudy 76°/65° 💧 0.001 in 💨 11 mph

Friday, Sep 25Fri Sep 25

Sunny 80°/65° 💧 None 💨 14 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 82°/77° 💧 None 💨 4 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Helena

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Helena

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 4:00 PM

PM2.5 Fine particles Good 2,3µg/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 2,5µg/m³

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

O₃ Ozone Fair 71,3µg/m³

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

NO₂ Nitrogen dioxide Good 0,5µg/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. Helena

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 6,1High 🙂Fair

Tomorrow UV 6,0High 🙂Fair

Sunday UV 4,7Moderate 🙂Fair

Monday UV 5,3Moderate 🙂Fair

Tuesday UV 5,0Moderate 🙂Fair

Wednesday UV 4,0Moderate —Unavailable

Thursday UV 6,0High —Unavailable

Hourly UV index today

4:00 PMUV 2,9 5:00 PMUV 1,8 6:00 PMUV 0,7 7:00 PMUV 0,2

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.

Acceptable air quality

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

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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. Helena

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ST. HELENA, NEBRASKA

Tonight's Stargazing & Shooting Stars

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

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:23 PM–5:28 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 86° 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 min81%

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 St. Helena were last refreshed today at 3:39 PM. The current forecast period extends through 13/09/2026 at 1:00 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.