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CheckWeather USIdaho Falls
Forecast confidence: High · models disagree by 1°F

Idaho Falls weather

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Clear,much the same tomorrow

NWS, the American and the European model agree on a high near 81° in Idaho Falls today. Tomorrow looks cloudy around 83°, with a 29% chance of rain.

81°49°
83°52°
67°51°
74°47°
79°47°
82°55°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaysplit ±5°Wednesdaysplit ±5°Thursdaysplit ±8°
NWSNational Blend (NBM)
81°
Clear
Today 81°·Low 47°·Rain 0%
AmericanNOAA GFS
81°
Clear
Today 81°·Low 48°·Rain 0%
EuropeanECMWF
81°
Mostly clear
Today 81°·Low 52°·Rain 0%

The weather map: all three models at once

NWS, American, European side by side around Idaho Falls and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Clear
81° 49°
models agree
Tomorrow
Cloudy
83° 52°
models agree
Mon
Cloudy
67° 51°
models agree
Tue
Clear
74° 47°
±5°
Wed
Mostly clear
79° 47°
±5°
Thu
Mostly clear
82° 55°
±8°
Fri
Mostly clear
80° 57°
±5°
Sat
Mostly clear
70° 48°
±6°
Sun
Partly cloudy
68° 44°
±10°
Mon
Clear
76° 45°
±9°
Tue
Light drizzle
80° 49°
±14°
Wed
Partly cloudy
87° 56°
models agree
Thu
Mostly clear
87° 57°
models agree
Fri
Clear
77° 55°
±13°

Idaho Falls, 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 Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
96
/100rank #1
92±0.8°F96±1.3 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
80
/100rank #2
85±1.5°F86±4.3 mph7184% 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°81° to 81°models agree0% to 0% chance
Tomorrow±4°81° to 85°±15%14% to 29% chance
Mon±2°66° to 68°±6%37% to 43% chance
Tue±5°71° to 76°models agree0% to 0% chance
Wed±5°77° to 81°models agree0% to 0% 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
06:56
Sunset
19:56
Daylight
13h 0m

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 80. 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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