Weather in American Falls, ID
American Falls, Sunday, 9 August, 03:46
Clear. Feels like 67°. High 97°, low 67°.
Monthly outlook for American Falls, ID: average high 88.5°, average low 63.1°. That is 2° above the climate normal for August. Precipitation is expected on 4 days (about 0.7 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 11 August (99.3°), the coolest 15 August (57.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 August – 18 August | 89.7° | 85.8° | +2.1° |
| 19 August – 28 August | 86.6° | 83.4° | +1.8° |
| 29 August – 7 September | at normal | 81.1° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Rockland (14 mi).
0
American Falls, Monday, 10 August
Clear. High 97°, low 63°.
0
American Falls, Tuesday, 11 August
Partly cloudy. High 99°, low 66°.
0
American Falls, Wednesday, 12 August
Overcast. High 90°, low 73°.
0.12
American Falls, Thursday, 13 August
Light rain. High 87°, low 62°.
0.09American Falls, Friday, 14 August
Light rain. High 80°, low 59°.
0American Falls, Saturday, 15 August
Clear. High 91°, low 57°.
0.07American Falls, Sunday, 16 August
Light rain. High 81°, low 63°.
0American Falls, Monday, 17 August
Light rain. High 87°, low 63°.
0American Falls, Tuesday, 18 August
Partly cloudy. High 87°, low 63°.
0American Falls, Wednesday, 19 August
Overcast. High 92°, low 62°.
0.02American Falls, Thursday, 20 August
Light rain. High 92°, low 67°.
0.38American Falls, Friday, 21 August
Rain. High 80°, low 63°.
0American Falls, Saturday, 22 August
Overcast. High 84°, low 61°.
0American Falls, Sunday, 23 August
Overcast. High 80°, low 61°.
0
American Falls, Monday, 24 August
Mostly clear. High 91°, low 60°.
0.03American Falls, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.02American Falls, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.02American Falls, Thursday, 27 August
Climate normal for this date — 60-year average.
0.02American Falls, Friday, 28 August
Climate normal for this date — 60-year average.
0.02American Falls, Saturday, 29 August
Climate normal for this date — 60-year average.
0.03American Falls, Sunday, 30 August
Climate normal for this date — 60-year average.
0.03American Falls, Monday, 31 August
Climate normal for this date — 60-year average.
0.02American Falls, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.04American Falls, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.02American Falls, Thursday, 3 September
Climate normal for this date — 60-year average.
0.03American Falls, Friday, 4 September
Climate normal for this date — 60-year average.
0.04American Falls, Saturday, 5 September
Climate normal for this date — 60-year average.
0.04American Falls, Sunday, 6 September
Climate normal for this date — 60-year average.
0.04American Falls, Monday, 7 September
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for American Falls, ID are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in American Falls, ID since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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