Two-week planning outlook

14-Day Weather Forecast for Idaho Falls, Idaho

Daily high and low temperatures, rain chances, wind, UV index, weekend conditions, and planning guidance for the next two weeks.

Expect daytime highs between 70°F and 94°F during the next 14 days. Rain chances peak at 65% on Monday, Sep 7, while Sun, Sep 13 · Wed, Sep 9 · Mon, Sep 14 currently look most favorable for outdoor plans.

Updated Sep 6, 9:14 AM -06:00

14 Days at a Glance

Complete two-week outlook

Warmest DayThu, Sep 17 · 94°FOvercast Clouds

Coolest NightSun, Sep 13 · 40°FClear Sky

Highest Rain ChanceMon, Sep 7 · 65%Light Rain

Strongest WindFri, Sep 11 · 24.5 mphNo gust data

Weekend OutlookMostly dry · Clear Sky86°F / 52°F

Total Precipitation0.07 inEstimated across 14 days

Extended local outlook

14-Day Forecast

Detailed 48-hour forecast

Sunday, Sep 6 · 86°F / 52°F

Clear Sky

Rain chance 0%, 19.5 mph SW, humidity 12%.

Morning: 52°F
Afternoon: 82°F
Evening: 82°F
Overnight: 60°F
Humidity: 12%
Pressure: 29.80 inHg
Dew point: —
UV index: 0 low
Sunrise: 6:57 AM
Sunset: 7:55 PM

Temperature Trend

HighLow40°F – 94°F

9/69/79/89/99/109/119/129/139/149/159/169/179/189/19

Rain Chances

0%9/6

65%9/7

0%9/8

0%9/9

0%9/10

0%9/11

0%9/12

0%9/13

0%9/14

0%9/15

0%9/16

0%9/17

0%9/18

40%9/19

UV Index

Daily peak

09/6

09/7

09/8

09/9

09/10

09/11

09/12

09/13

09/14

09/15

09/16

09/17

09/18

09/19

Planning Ahead

Forecast-based guidance

Most Favorable Outdoor Days

Sun, Sep 13 · Wed, Sep 9 · Mon, Sep 14

Lower rain chances and manageable winds

Rainy Days

Mon, Sep 7 · Sat, Sep 19

Peak chance 65%

Warmest Days

Thu, Sep 17 · Wed, Sep 16 · Tue, Sep 15

Highs up to 94°F

Coolest Nights

Sun, Sep 13 · Tue, Sep 8 · Wed, Sep 9

Lows near 40°F

Windiest Day

Friday, Sep 11

24.5 mph · Gusts —

Weekend Weather

Two-week planning

This Weekend

Sun, Sep 686°F / 52°FClear Sky · Rain 0%

Next Weekend

Sat, Sep 1270°F / 51°FOvercast Clouds · Rain 0%

Sun, Sep 1376°F / 40°FClear Sky · Rain 0%

14-Day Weather Forecast for Idaho Falls, Idaho

Temperatures range from an overnight low near 40°F to a daytime high near 94°F. The strongest rain signal is 65% on Monday, Sep 7, with 2 notable wet days in the current outlook.

FAQ

14-day forecast questions for Idaho Falls

What is the 14-day weather forecast for Idaho Falls?

Will it rain in Idaho Falls during the next two weeks?

The strongest rain signal is 65% on Monday, Sep 7, with 2 notable wet days in the current outlook.

What is the hottest day in Idaho Falls during the next 14 days?

The warmest forecast day is Thursday, Sep 17, with a high near 94°F.

What is the coldest night in Idaho Falls?

The lowest forecast temperature is 40°F on Sunday, Sep 13.

What will the weather be this weekend in Idaho Falls?

This Weekend currently ranges from 52°F to 86°F, with rain chances peaking at 0%.