Idaho Falls weather live forecast

Today's maximum temperature in Idaho Falls is expected to be 32°C. Select a day from the live weather forecast for Idaho Falls, Idaho, USA for more weather parameters.

5-day weather forecast updated at 04:01 on Friday 15th August 2025 GMT

More about Idaho Falls

Idaho Falls by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Idaho

Marriott: Hotel deals & packages

  • Save on your next trip with deals & packages
  • Includes hotel, flight, cars & more packages
  • Discover Bangkok, Sydney, Toronto & beyond
Go to Marriott deal >>

View all Marriott offers

The 5-day weather forecast for Idaho (Idaho Falls) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Idaho Falls weather forecast by day

Below are the detailed weather forecasts for Idaho Falls for the next 5 days.

Idaho Falls weather for Friday 15th August 2025

Expect scattered clouds in Idaho Falls, Idaho with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south.

  • 32°C maximum temperature32
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 13 hours of bright sunshine13
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 22 kph from the South22
    kph wind from S

Back to top

Idaho Falls weather for Saturday 16th August 2025

Expect broken clouds in Idaho Falls, Idaho with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

  • 30°C maximum temperature30
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 22 kph from the South-West22
    kph wind from SW

Back to top

Idaho Falls weather for Sunday 17th August 2025

Expect broken clouds in Idaho Falls, Idaho with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

  • 29°C maximum temperature29
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

Back to top

Idaho Falls weather for Monday 18th August 2025

Expect sunshine and showers in Idaho Falls, Idaho with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 2% chance of some rain and a moderate breeze of 20 kph from the south-west.

  • 31°C maximum temperature31
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 2% chance of some rain2
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Moderate breeze of 20 kph from the South-West20
    kph wind from SW

Back to top

Idaho Falls weather for Tuesday 19th August 2025

Expect clear skies in Idaho Falls, Idaho with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

  • 33°C maximum temperature33
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Clear skies
    clear skies
  • 14 hours of bright sunshine14
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

Back to top

Avalon Waterways: Top deals on 2026 river cruises

  • Book early & save on 2026 river cruises with Avalon Waterways
  • Filter deals by promotion, month, destination & more
  • Travel between 1st Jan & 31st Dec 2026 (inclusive)
Go to Avalon Waterways deal >>

Expires at 23:59 on Thursday 31st Dec 2026 · View all Avalon Waterways offers

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about the USA

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^