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CheckWeather USIdaho Falls
Forecast confidence: Medium · models disagree by 4°F

Idaho Falls weather

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Rain,rain likely tomorrow

NWS, the American and the European model put Idaho Falls's high today between 67° and 71°, a 4° split. Tomorrow looks light drizzle around 63°, with a 41% chance of rain.

69°53°
63°47°
69°46°
74°46°
77°50°
78°51°
Todaysplit ±4°Tomorrowmodels agreeSundaymodels agreeMondaymodels agreeTuesdaysplit ±5°Wednesdaysplit ±5°
NWSNational Blend (NBM)
67°
Rain
Today 67°·Low 52°·Rain 63%
AmericanNOAA GFS
69°
Heavy drizzle
Today 69°·Low 54°·Rain 63%
EuropeanECMWF
71°
Rain
Today 71°·Low 54°·Rain 98%
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Idaho Falls weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Idaho Falls weather in numbers

from 30 years of measured normals

Idaho Falls swings 78°F across the year, from 92°F highs in July to 14°F lows in January, and March is usually the wettest month in a year that brings about 13 in of precipitation.

Warmest month
July
92°F average high
Coldest month
January
14°F average low
Wettest month
March
13 in a year
Below freezing
6 months
January, February, March, April, November and December
Comfortable
3 months
May, September and October
Residents
59,000
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The weather map: all three models at once

NWS, American, European side by side around Idaho Falls and nearby towns.Live rain radar →
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Idaho Falls hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Idaho Falls 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Rain
69° 53°
±4°
Tomorrow
Light drizzle
63° 47°
models agree
Sun
Cloudy
69° 46°
models agree
Mon
Mostly clear
74° 46°
models agree
Tue
Cloudy
77° 50°
±5°
Wed
Mostly clear
78° 51°
±5°
Thu
Mostly clear
81° 50°
±5°
Fri
Partly cloudy
82° 52°
±5°
Sat
Light drizzle
78° 53°
±8°
Sun
Mostly clear
71° 52°
±11°
Mon
Light drizzle
71° 48°
±18°
Tue
Cloudy
74° 51°
±6°
Wed
Light drizzle
81° 49°
±5°
Thu
Mostly clear
65° 53°
models agree

Idaho Falls, Idaho (ID) is at its warmest in Jul (average highs near 92°F) and coldest in Jan (lows around 14°F), with roughly 13 in of precipitation across the year. Below, compare what NWS, American, European forecast for Idaho Falls right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Idaho Falls climate by month

average daytime high and overnight low across a typical year
Jan
29°
14°
Feb
34°
16°
Mar
40°
20°
Apr
56°
31°
May
68°
41°
Jun
80°
52°
Jul
92°
60°
Aug
86°
57°
Sep
77°
48°
Oct
63°
38°
Nov
42°
25°
Dec
36°
22°

Which forecast is most accurate in Idaho Falls?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
96
/100rank #1
94±0.6°F95±1.4 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
77
/100rank #2
83±1.7°F85±4.7 mph6581% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±4°67° to 71°±35%63% to 98% chance
Tomorrow±4°62° to 65°±17%24% to 41% chance
Sun±4°67° to 71°±1%3% to 4% chance
Mon±3°73° to 76°models agree0% to 0% chance
Tue±5°75° to 80°±5%5% to 10% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Idaho Falls

today, local time
Sunrise
07:11
Sunset
19:32
Daylight
12h 21m

Common questions

What's the weather in Idaho Falls today?
On this page we show what NWS, American, European each forecast for Idaho Falls today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Idaho Falls today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Idaho Falls and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Idaho Falls?
Over the last 30 days, the European model has been the most accurate for Idaho Falls (CheckWeather Score 96/100), ahead of the American at 77. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Idaho Falls?
July is typically the warmest month in Idaho Falls, with average highs around 92°F.
How cold does Idaho Falls get?
The coldest month in Idaho Falls is January, when overnight lows average about 14°F.
How much rain does Idaho Falls get?
Idaho Falls sees roughly 13 in of precipitation a year, with March usually the wettest month.

Nearby

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