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

Now · 2:33 PM

Twin Falls Weather & Hourly Forecast

United States · Idaho · 83301

79°F

Mostly sunny

Feels like: 71°F

💧 Humidity 25% 🌡 Pressure 29.77 inHg 💨 Wind 9 mph 👁 Visibility 27.4 mi ☁ Clouds 23% ☀️ UV index 7.1 · High 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Twin Falls

Today

3:00 PM

Mostly sunny

79° 💧 None 💨 9 mph H 25%29.77 inHg

6:00 PM

Sunny

78° 💧 None 💨 9 mph H 25%29.74 inHg

9:00 PM

Mostly clear night

69° 💧 None 💨 9 mph H 32%29.80 inHg

Tomorrow

12:00 AM

Mostly cloudy night

58° 💧 0.004 in 💨 16 mph H 62%29.91 inHg

3:00 AM

Overcast night

56° 💧 0.001 in 💨 8 mph H 68%29.97 inHg

6:00 AM

Clear night

53° 💧 None 💨 9 mph H 68%30.03 inHg

9:00 AM

Sunny

55° 💧 None 💨 10 mph H 53%30.12 inHg

12:00 PM

Sunny

63° 💧 None 💨 10 mph H 38%30.12 inHg

3:00 PM

Sunny

69° 💧 None 💨 11 mph H 28%30.06 inHg

6:00 PM

Sunny

68° 💧 None 💨 10 mph H 29%30.03 inHg

9:00 PM

Clear night

61° 💧 None 💨 7 mph H 39%30.06 inHg

Tuesday

12:00 AM

Clear night

57° 💧 None 💨 6 mph H 46%30.12 inHg

3:00 AM

Clear night

53° 💧 None 💨 5 mph H 52%30.12 inHg

6:00 AM

Clear night

50° 💧 None 💨 1 mph H 61%30.18 inHg

9:00 AM

Sunny

56° 💧 None 💨 1 mph H 49%30.21 inHg

12:00 PM

Sunny

67° 💧 None 💨 6 mph H 30%30.21 inHg

Today

3:00 PM

Mostly sunny

79° 💧 None 💨 9 mph H 25%29.77 inHg

4:00 PM

Mostly sunny

78° 💧 None 💨 9 mph H 25%29.77 inHg

5:00 PM

Sunny

78° 💧 None 💨 9 mph H 26%29.74 inHg

6:00 PM

Sunny

78° 💧 None 💨 9 mph H 25%29.74 inHg

7:00 PM

Mostly sunny

76° 💧 None 💨 12 mph H 26%29.71 inHg

8:00 PM

Partly cloudy

71° 💧 None 💨 9 mph H 31%29.77 inHg

9:00 PM

Mostly clear night

69° 💧 None 💨 9 mph H 32%29.80 inHg

10:00 PM

Mostly clear night

67° 💧 None 💨 15 mph H 38%29.83 inHg

11:00 PM

Partly cloudy night

61° 💧 None 💨 19 mph H 51%29.88 inHg

Tomorrow

12:00 AM

Mostly cloudy night

58° 💧 0.002 in 💨 16 mph H 62%29.91 inHg

1:00 AM

Mostly cloudy night

57° 💧 0.002 in 💨 12 mph H 63%29.94 inHg

2:00 AM

Overcast night

57° 💧 0.001 in 💨 10 mph H 64%29.97 inHg

3:00 AM

Overcast night

56° 💧 0.001 in 💨 8 mph H 68%29.97 inHg

4:00 AM

Mostly clear night

56° 💧 None 💨 10 mph H 66%30.00 inHg

5:00 AM

Clear night

54° 💧 None 💨 10 mph H 70%30.00 inHg

6:00 AM

Clear night

53° 💧 None 💨 9 mph H 68%30.03 inHg

7:00 AM

Clear night

52° 💧 None 💨 8 mph H 66%30.06 inHg

8:00 AM

Sunny

53° 💧 None 💨 8 mph H 61%30.09 inHg

9:00 AM

Sunny

55° 💧 None 💨 10 mph H 53%30.12 inHg

10:00 AM

Sunny

58° 💧 None 💨 10 mph H 49%30.12 inHg

11:00 AM

Sunny

61° 💧 None 💨 10 mph H 44%30.12 inHg

12:00 PM

Sunny

63° 💧 None 💨 10 mph H 38%30.12 inHg

1:00 PM

Sunny

66° 💧 None 💨 10 mph H 34%30.09 inHg

2:00 PM

Sunny

68° 💧 None 💨 10 mph H 30%30.06 inHg

3:00 PM

Sunny

69° 💧 None 💨 11 mph H 28%30.06 inHg

4:00 PM

Sunny

69° 💧 None 💨 11 mph H 28%30.03 inHg

5:00 PM

Sunny

69° 💧 None 💨 10 mph H 28%30.03 inHg

6:00 PM

Sunny

68° 💧 None 💨 10 mph H 29%30.03 inHg

7:00 PM

Sunny

66° 💧 None 💨 9 mph H 31%30.03 inHg

8:00 PM

Sunny

63° 💧 None 💨 8 mph H 36%30.06 inHg

9:00 PM

Clear night

61° 💧 None 💨 7 mph H 39%30.06 inHg

10:00 PM

Clear night

59° 💧 None 💨 7 mph H 41%30.09 inHg

11:00 PM

Clear night

58° 💧 None 💨 6 mph H 44%30.12 inHg

Tuesday

12:00 AM

Clear night

57° 💧 None 💨 6 mph H 46%30.12 inHg

1:00 AM

Clear night

56° 💧 None 💨 6 mph H 48%30.12 inHg

2:00 AM

Clear night

54° 💧 None 💨 6 mph H 50%30.12 inHg

3:00 AM

Clear night

53° 💧 None 💨 5 mph H 52%30.12 inHg

4:00 AM

Clear night

53° 💧 None 💨 4 mph H 54%30.12 inHg

5:00 AM

Clear night

51° 💧 None 💨 3 mph H 58%30.15 inHg

6:00 AM

Clear night

50° 💧 None 💨 1 mph H 61%30.18 inHg

7:00 AM

Clear night

49° 💧 None 💨 1 mph H 63%30.18 inHg

8:00 AM

Sunny

50° 💧 None 💨 2 mph H 61%30.21 inHg

9:00 AM

Sunny

56° 💧 None 💨 1 mph H 49%30.21 inHg

10:00 AM

Sunny

61° 💧 None 💨 2 mph H 41%30.21 inHg

11:00 AM

Sunny

64° 💧 None 💨 5 mph H 35%30.21 inHg

12:00 PM

Sunny

67° 💧 None 💨 6 mph H 30%30.21 inHg

1:00 PM

Sunny

70° 💧 None 💨 7 mph H 25%30.18 inHg

2:00 PM

Sunny

73° 💧 None 💨 8 mph H 21%30.15 inHg

3:00 PM

Sunny

74° 💧 None 💨 9 mph H 18%30.15 inHg

4:00 PM

Sunny

75° 💧 None 💨 10 mph H 16%30.12 inHg

5:00 PM

Sunny

75° 💧 None 💨 10 mph H 16%30.12 inHg

6:00 PM

Sunny

74° 💧 None 💨 10 mph H 17%30.12 inHg

7:00 PM

Sunny

72° 💧 None 💨 10 mph H 19%30.12 inHg

8:00 PM

Sunny

68° 💧 None 💨 6 mph H 23%30.15 inHg

9:00 PM

Clear night

65° 💧 None 💨 6 mph H 26%30.18 inHg

10:00 PM

Clear night

63° 💧 None 💨 6 mph H 29%30.21 inHg

11:00 PM

Clear night

61° 💧 None 💨 6 mph H 31%30.21 inHg

Wednesday

12:00 AM

Clear night

60° 💧 None 💨 6 mph H 34%30.21 inHg

1:00 AM

Clear night

58° 💧 None 💨 6 mph H 38%30.24 inHg

2:00 AM

Clear night

57° 💧 None 💨 5 mph H 42%30.24 inHg

3:00 AM

Clear night

55° 💧 None 💨 5 mph H 46%30.24 inHg

4:00 AM

Clear night

54° 💧 None 💨 4 mph H 48%30.27 inHg

5:00 AM

Clear night

53° 💧 None 💨 4 mph H 50%30.27 inHg

6:00 AM

Clear night

52° 💧 None 💨 3 mph H 52%30.27 inHg

9:00 AM

Sunny

59° 💧 None 💨 1 mph H 37%30.33 inHg

12:00 PM

Sunny

71° 💧 None 💨 3 mph H 24%30.30 inHg

3:00 PM

Sunny

79° 💧 None 💨 4 mph H 14%30.18 inHg

6:00 PM

Sunny

79° 💧 None 💨 6 mph H 12%30.12 inHg

9:00 PM

Clear night

67° 💧 None 💨 3 mph H 18%30.12 inHg

Thursday

12:00 AM

Clear night

61° 💧 None 💨 5 mph H 22%30.12 inHg

3:00 AM

Clear night

57° 💧 None 💨 5 mph H 25%30.12 inHg

6:00 AM

Clear night

52° 💧 None 💨 2 mph H 25%30.09 inHg

9:00 AM

Sunny

63° 💧 None 💨 4 mph H 19%30.09 inHg

12:00 PM

Mostly cloudy

80° 💧 None 💨 3 mph H 12%30.00 inHg

3:00 PM

Mostly sunny

86° 💧 None 💨 6 mph H 11%29.88 inHg

6:00 PM

Overcast

84° 💧 None 💨 6 mph H 11%29.80 inHg

9:00 PM

Overcast night

76° 💧 None 💨 3 mph H 17%29.83 inHg

Friday

12:00 AM

Partly cloudy night

72° 💧 None 💨 6 mph H 19%29.83 inHg

3:00 AM

Mostly clear night

69° 💧 None 💨 5 mph H 25%29.83 inHg

6:00 AM

Clear night

65° 💧 None 💨 9 mph H 38%29.88 inHg

9:00 AM

Sunny

67° 💧 None 💨 10 mph H 42%29.94 inHg

12:00 PM

Sunny

75° 💧 None 💨 8 mph H 27%29.91 inHg

3:00 PM

Sunny

81° 💧 None 💨 6 mph H 18%29.80 inHg

6:00 PM

Sunny

81° 💧 None 💨 6 mph H 18%29.71 inHg

9:00 PM

Mostly clear night

72° 💧 None 💨 1 mph H 26%29.71 inHg

Saturday

12:00 AM

Mostly clear night

67° 💧 None 💨 2 mph H 30%29.68 inHg

3:00 AM

Partly cloudy night

65° 💧 None 💨 5 mph H 33%29.68 inHg

6:00 AM

Clear night

64° 💧 None 💨 9 mph H 34%29.74 inHg

12:00 PM

Sunny

68° 💧 None 💨 12 mph H 23%29.88 inHg

6:00 PM

Sunny

70° 💧 None 💨 13 mph H 15%29.85 inHg

Sunday

12:00 AM

Clear night

57° 💧 None 💨 9 mph H 24%29.94 inHg

6:00 AM

Partly cloudy night

51° 💧 None 💨 9 mph H 43%30.03 inHg

12:00 PM

Sunny

60° 💧 None 💨 13 mph H 33%30.06 inHg

6:00 PM

Sunny

63° 💧 None 💨 14 mph H 26%29.97 inHg

Monday

12:00 AM

Clear night

54° 💧 None 💨 10 mph H 34%30.06 inHg

6:00 AM

Clear night

49° 💧 None 💨 9 mph H 47%30.15 inHg

12:00 PM

Sunny

62° 💧 None 💨 3 mph H 28%30.15 inHg

6:00 PM

Mostly cloudy

70° 💧 None 💨 5 mph H 19%29.94 inHg

Tuesday

12:00 AM

Clear night

57° 💧 None 💨 4 mph H 27%29.94 inHg

6:00 AM

Mostly cloudy night

51° 💧 None 💨 2 mph H 32%29.94 inHg

12:00 PM

Overcast

72° 💧 None 💨 4 mph H 13%29.88 inHg

6:00 PM

Partly cloudy

81° 💧 None 💨 8 mph H 8%29.74 inHg

Wednesday

12:00 AM

Mostly clear night

68° 💧 None 💨 1 mph H 14%29.80 inHg

6:00 AM

Clear night

54° 💧 None 💨 3 mph H 30%29.88 inHg

12:00 PM

Mostly sunny

81° 💧 None 💨 5 mph H 10%29.97 inHg

6:00 PM

Sunny

85° 💧 None 💨 7 mph H 8%29.88 inHg

Thursday

12:00 AM

Clear night

69° 💧 None 💨 4 mph H 14%29.97 inHg

6:00 AM

Clear night

59° 💧 None 💨 2 mph H 23%30.06 inHg

12:00 PM

Sunny

84° 💧 None 💨 1 mph H 13%30.12 inHg

6:00 PM

Sunny

89° 💧 None 💨 8 mph H 8%30.03 inHg

Friday

12:00 AM

Clear night

73° 💧 None 💨 4 mph H 15%30.09 inHg

6:00 AM

Mostly clear night

63° 💧 None 💨 3 mph H 25%30.06 inHg

12:00 PM

Mostly sunny

88° 💧 None 💨 7 mph H 21%30.06 inHg

6:00 PM

Sunny

95° 💧 None 💨 10 mph H 14%29.85 inHg

Saturday

12:00 AM

Clear night

78° 💧 None 💨 7 mph H 19%29.94 inHg

6:00 AM

Mostly clear night

69° 💧 None 💨 3 mph H 47%29.94 inHg

12:00 PM

Sunny

80° 💧 None 💨 6 mph H 20%29.97 inHg

6:00 PM

Overcast

87° 💧 None 💨 6 mph H 15%29.77 inHg

Sunday

12:00 AM

Partly cloudy night

69° 💧 None 💨 4 mph H 28%29.83 inHg

6:00 AM

Mostly clear night

63° 💧 None 💨 9 mph H 35%29.88 inHg

12:00 PM

Sunny

71° 💧 None 💨 15 mph H 24%29.94 inHg

6:00 PM

Sunny

72° 💧 None 💨 11 mph H 16%29.88 inHg

Monday

12:00 AM

Clear night

58° 💧 None 💨 9 mph H 20%30.00 inHg

6:00 AM

Clear night

52° 💧 None 💨 10 mph H 42%30.06 inHg

In Twin Falls and, more broadly, across the state of Idaho: As the afternoon progresses into the evening, mostly cloudy skies will persist with temperatures ranging from the low 50s to low 60s. Light southwest winds will continue, averaging around 6 mph with occasional gusts up to 19 mph. There is a possibility of light rain, with total accumulation around 0.01 inches, and the highest likelihood of rain occurring during the evening hours. Conditions remain relatively cool, so it may feel slightly brisk as the evening settles in. Be prepared for the potential for brief showers, especially if you plan to be outdoors later tonight.

15-Day Weather Outlook for Twin Falls

TomorrowTomorrow

Mostly sunny 78°/52° 💧 None 💨 19 mph

Tuesday, Sep 8Tue Sep 8

Sunny 75°/49° 💧 None 💨 10 mph

Wednesday, Sep 9Wed Sep 9

Sunny 79°/52° 💧 0.002 in 💨 10 mph

Thursday, Sep 10Thu Sep 10

Mostly cloudy 86°/52° 💧 None 💨 6 mph

Friday, Sep 11Fri Sep 11

Overcast 84°/65° 💧 None 💨 10 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 81°/64° 💧 0.000 in 💨 12 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 70°/51° 💧 None 💨 13 mph

Monday, Sep 14Mon Sep 14

Sunny 63°/49° 💧 None 💨 14 mph

Tuesday, Sep 15Tue Sep 15

Mostly cloudy 72°/51° 💧 None 💨 5 mph

Wednesday, Sep 16Wed Sep 16

Partly cloudy 81°/54° 💧 None 💨 8 mph

Thursday, Sep 17Thu Sep 17

Sunny 85°/59° 💧 None 💨 7 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 89°/63° 💧 None 💨 8 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 95°/69° 💧 None 💨 10 mph

Sunday, Sep 20Sun Sep 20

Overcast 87°/63° 💧 None 💨 15 mph

Monday, Sep 21Mon Sep 21

Sunny 72°/52° 💧 None 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Twin Falls

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Twin Falls

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 3:00 PM

PM2.5 Fine particles Good 1,4µg/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 2,2µg/m³

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

O₃ Ozone Fair 94,7µg/m³

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

NO₂ Nitrogen dioxide Good 0,2µg/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 Twin Falls

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 7,1High 🙂Fair

Tomorrow UV 6,7High 🙂Fair

Tuesday UV 6,9High 😐Moderate

Wednesday UV 6,2High 🙂Fair

Thursday UV 8,0Very high 🙂Fair

Friday UV 7,0High —Unavailable

Saturday UV 6,0High —Unavailable

Hourly UV index today

3:00 PMUV 6,1 4:00 PMUV 4,3 5:00 PMUV 2,3 6:00 PMUV 1,0 7:00 PMUV 0,3

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. Dry air can increase hydration needs.

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 Twin Falls

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · TWIN FALLS, IDAHO

Tonight's Stargazing & Shooting Stars

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

99/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:41 PM–5:31 AM

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

☾ Moonlight 20% Waning Crescent · Moon about 20° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 81° high at the best hour.

✦ Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min77%

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 Twin Falls were last refreshed today at 2:33 PM. The current forecast period extends through 08/09/2026 at 12:00 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.