Ammon, Idaho Weather
Ammon weather this week
At 18:00 local time it is 9°C in Ammon under clear skies, feeling like 6°C. Today's forecast high is 14°C and the low is -3°C, and the day overall looks overcast. Rain is unlikely today (0% chance). Winds are blowing at about 8 km/h from the north-east. Humidity is 54%.
Over the next 7 days in Ammon, daytime highs range from 6°C to 15°C and night-time lows from -3°C to 2°C. The warmest afternoon is likely tomorrow at 15°C, while the coolest night is expected tonight at -3°C. Temperatures trend cooler through the week, dropping by about 4°C. Expect a wide gap of around 17°C between afternoon and early-morning temperatures, so mornings will feel noticeably cooler.
Rain is most likely Saturday and Tuesday, with roughly 7.5 mm forecast in total over the week. Snowfall is in the forecast Tuesday and Wednesday; check road conditions before travelling.
It turns breezy on Wednesday, with winds reaching about 36 km/h — secure loose objects on rooftops and balconies. UV levels stay moderate or lower, peaking at 3. Average humidity is a comfortable 62% or so.
| Day | Conditions | High / Low | Rain chance | Rain | Max wind |
|---|---|---|---|---|---|
| Today (Thursday) | Overcast | 14° / -3° | 0% | 0.0 mm | 9 km/h |
| Tomorrow (Friday) | Overcast | 15° / 1° | 5% | 0.0 mm | 26 km/h |
| Saturday | Dense drizzle | 9° / 2° | 58% | 2.0 mm | 33 km/h |
| Sunday | Overcast | 10° / 1° | 0% | 0.0 mm | 14 km/h |
| Monday | Overcast | 10° / 2° | 17% | 0.0 mm | 9 km/h |
| Tuesday | Snow | 9° / 1° | 59% | 4.0 mm | 25 km/h |
| Wednesday | Slight snow | 6° / 1° | 48% | 1.5 mm | 36 km/h |
Hourly forecast in Ammon
16-day forecast for Ammon
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Ammon air quality & conditions
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Today's outlook for Ammon
At 18:00 local time it is 9°C in Ammon under clear skies, feeling like 6°C. Today's forecast high is 14°C and the low is -3°C, and the day overall looks overcast. Rain is unlikely today (0% chance). Winds are blowing at about 8 km/h from the north-east. Humidity is 54%.
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About Ammon weather
Ammon is a place in Idaho's mix of semi-arid plains and mountainous terrain, located about 342 km east of Boise. Ammon gets warm, dry summers (June–August) each year. Ammon closes out the year with cold winters with significant mountain snowfall. This page shows live, auto-refreshing weather for Ammon: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/Boise.
Frequently asked questions
Ammon is about 342 km east of Boise, in Idaho.
Ammon sees cold winters with significant mountain snowfall.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Ammon's exact coordinates. No fixed schedule, the page updates whenever you load it.
Yes, use the "View live radar" link on this page for real-time precipitation radar centered on Ammon.
Yes, where the AQI panel above shows a value. It's sourced from the same live air-quality provider used across TodayWeather. If it reads "not available," air-quality coverage doesn't currently extend to this location.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Ammon updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
The hourly forecast above shows the rain chance for Ammon hour by hour — the 16-day outlook further down covers the rest of the week.
Ammon's live UV index is in the metrics panel above, shown alongside a low/moderate/high band so it's easy to tell when sun protection is worth it.
Ammon's current relative humidity is in the humidity ring near the top of this page, with more detail in the metrics section below.
Ammon's day-to-day weather follows the broader pattern of Idaho described above. See the hourly weather forecast or the air quality index for more detail.