American Falls Weather Forecast 15 Days, Weather in American Falls Today

Current weather conditions and 15 day weather forecast for American Falls, Idaho, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at American Falls

21 August 2026 Friday
31.6 ° C / 88.9°F
Overcast
Overcast
Feels Like : 28.9 ° C / 84°F
Humidity : % 18
Pressure : 1009 mb
Wind Speed : 7.6 kmph / 4.7 miles from SESE
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 100

15 day weather forecast for American Falls, ID, USA

Weather Forecast for next 15 Days for American Falls including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in American Falls, Idaho state, US. To see the daily forecast, scroll to the table below.
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
20 August 2026 Thursday Sunny Sunny 14.2 ° C
(57.6°F)
37.8 ° C
(100°F)
25.6 ° C
(78.1°F)
% 35 2% 9 Sunrise:06:43 AM
Sunset: 08:26 PM
Moonrise:04:00 PM
Moonset: Does not set today
Moon Phase
( First Quarter )
21 August 2026 Friday Overcast Overcast 16.6 ° C
(61.9°F)
38.3 ° C
(100.9°F)
27.6 ° C
(81.7°F)
% 29 5% 8.3 Sunrise:06:44 AM
Sunset: 08:24 PM
Moonrise:04:58 PM
Moonset: 12:27 AM
Moon Phase
( First Quarter )
22 August 2026 Saturday Overcast Overcast 19.7 ° C
(67.5°F)
35.3 ° C
(95.5°F)
26.1 ° C
(79°F)
% 40 57% 7.9 Sunrise:06:45 AM
Sunset: 08:23 PM
Moonrise:05:48 PM
Moonset: 01:17 AM
Moon Phase
( Waxing Gibbous )
23 August 2026 Sunday Patchy rain nearby Patchy rain nearby 16.7 ° C
(62°F)
33 ° C
(91.4°F)
23.3 ° C
(73.9°F)
% 48 36% 8.6 Sunrise:06:46 AM
Sunset: 08:21 PM
Moonrise:06:28 PM
Moonset: 02:14 AM
Moon Phase
( Waxing Gibbous )
24 August 2026 Monday Overcast Overcast 17.6 ° C
(63.7°F)
34.2 ° C
(93.6°F)
23.1 ° C
(73.5°F)
% 45 67% 7.4 Sunrise:06:47 AM
Sunset: 08:19 PM
Moonrise:07:01 PM
Moonset: 03:16 AM
Moon Phase
( Waxing Gibbous )
25 August 2026 Tuesday Sunny Sunny 14.9 ° C
(58.9°F)
32.9 ° C
(91.2°F)
23.7 ° C
(74.6°F)
% 43 36% 8 Sunrise:06:48 AM
Sunset: 08:18 PM
Moonrise:07:27 PM
Moonset: 04:20 AM
Moon Phase
( Full Moon )
26 August 2026 Wednesday Sunny Sunny 19.4 ° C
(66.9°F)
34.4 ° C
(93.9°F)
26.3 ° C
(79.3°F)
% 22 2% 8 Sunrise:06:49 AM
Sunset: 08:16 PM
Moonrise:07:50 PM
Moonset: 05:24 AM
Moon Phase
( Full Moon )
27 August 2026 Thursday Overcast Overcast 17.6 ° C
(63.6°F)
31.6 ° C
(88.9°F)
24.2 ° C
(75.6°F)
% 13 6% 7 Sunrise:06:50 AM
Sunset: 08:15 PM
Moonrise:08:10 PM
Moonset: 06:28 AM
Moon Phase
( Full Moon )
28 August 2026 Friday Sunny Sunny 17.2 ° C
(62.9°F)
34.2 ° C
(93.6°F)
25.3 ° C
(77.6°F)
% 14 1% 8 Sunrise:06:51 AM
Sunset: 08:13 PM
Moonrise:08:28 PM
Moonset: 07:31 AM
Moon Phase
( Full Moon )
29 August 2026 Saturday Overcast Overcast 17.9 ° C
(64.2°F)
34.4 ° C
(94°F)
25.8 ° C
(78.4°F)
% 11 5% 7 Sunrise:06:53 AM
Sunset: 08:11 PM
Moonrise:08:46 PM
Moonset: 08:34 AM
Moon Phase
( Waning Gibbous )
30 August 2026 Sunday Sunny Sunny 14.7 ° C
(58.5°F)
28.3 ° C
(83°F)
21.4 ° C
(70.4°F)
% 20 1% 7 Sunrise:06:54 AM
Sunset: 08:10 PM
Moonrise:09:05 PM
Moonset: 09:37 AM
Moon Phase
( Waning Gibbous )
31 August 2026 Monday Overcast Overcast 14.3 ° C
(57.8°F)
32.1 ° C
(89.7°F)
22.7 ° C
(72.8°F)
% 16 4% 8 Sunrise:06:55 AM
Sunset: 08:08 PM
Moonrise:09:26 PM
Moonset: 10:43 AM
Moon Phase
( Waning Gibbous )
01 September 2026 Tuesday Overcast Overcast 16.7 ° C
(62°F)
29.8 ° C
(85.7°F)
22.5 ° C
(72.5°F)
% 15 9% 6 Sunrise:06:56 AM
Sunset: 08:06 PM
Moonrise:09:50 PM
Moonset: 11:50 AM
Moon Phase
( Waning Gibbous )
02 September 2026 Wednesday Overcast Overcast 13.2 ° C
(55.8°F)
24.1 ° C
(75.3°F)
18.4 ° C
(65.1°F)
% 32 8% 5 Sunrise:06:57 AM
Sunset: 08:04 PM
Moonrise:10:21 PM
Moonset: 01:01 PM
Moon Phase
( Last Quarter )
American Falls Weather forecasts are usually fully updated every 4 hours.
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