Weather for 83421 — Chester, ID
Conditions and forecast for the exact centre of ZIP code 83421 (44.001, -111.535), not a nearby airport.
32°
Clear sky
- Feels like:
- 25°
- Humidity:
- 69%
- Wind:
- 8 mph
- Dew point:
- 23°
Source updated: 1:56:15 PM · WeatherSignal checked: 1:56:15 PM
Next 12 hours in 83421
2 PM
33°
0%
3 PM
38°
0%
4 PM
45°
0%
5 PM
52°
0%
6 PM
56°
0%
7 PM
59°
0%
8 PM
60°
0%
9 PM
60°
0%
10 PM
60°
0%
11 PM
59°
0%
12 AM
55°
0%
1 AM
50°
0%
7 day forecast for 83421
Today
60° / 32°
0% rain · 8 mph wind
Saturday, Oct 17
61° / 34°
0% rain · 8 mph wind
Sunday, Oct 18
62° / 35°
0% rain · 8 mph wind
Monday, Oct 19
60° / 37°
0% rain · 8 mph wind
Tuesday, Oct 20
56° / 42°
0% rain · 7 mph wind
Wednesday, Oct 21
63° / 40°
0% rain · 10 mph wind
Thursday, Oct 22
61° / 42°
0% rain · 7 mph wind
About ZIP code 83421
83421 covers Chester in Idaho. Forecasts on this page are generated for the coordinates at the centre of the ZIP code, so small differences from a nearby city forecast are expected and usually correct.
Closest cities with full forecast pages: Billings (193 mi), Salt Lake City (224 mi), West Valley City (230 mi), Boise City (234 mi).
Nearby ZIP codes
Severe weather warnings are issued by the National Weather Service for counties and polygons that may not line up with ZIP code boundaries. Always follow official warnings for your exact address.
Planning your week in Chester 83421, Idaho
- The warmest afternoon ahead is Wednesday, reaching about 63°F.
- The coldest night ahead dips to about 32°F.
- This is a dry stretch — most days show rain chances under 20%, good for outdoor plans.
Common questions about Chester 83421, Idaho weather
- How accurate is the Chester 83421, Idaho forecast?
- The next 48 hours are usually reliable on temperature and sky cover, with timing that can shift by an hour or two. Days three and four are dependable for the overall pattern. Beyond that, treat the numbers as a planning direction rather than a promise — we label confidence on every day so you can judge for yourself.
- What is the best day this week in Chester 83421, Idaho?
- No day in the current outlook has a rain chance above 40%, so conditions look favorable for outdoor plans across the week.
- Where does this forecast come from?
- Forecast values come from national weather model data, and official warnings come from the National Weather Service. We show the source and the last-updated time on every page, and we never invent a number the source did not publish — missing measurements are hidden, not guessed.
- How often is this page updated?
- The forecast refreshes whenever the source model publishes new data, typically several times a day. The freshness note near the top of the page shows exactly when the numbers you are looking at were issued.
More weather for Chester 83421, Idaho
- Current weather in Chester 83421, Idaho
- Chester 83421, Idaho hourly forecast
- Chester 83421, Idaho weather tomorrow
- Chester 83421, Idaho weekend weather
- Chester 83421, Idaho weather radar
- Chester 83421, Idaho severe weather alerts
- Best time to go outside in Chester 83421, Idaho
- What happened overnight in Chester 83421, Idaho
- How accurate is the Chester 83421, Idaho forecast?
- Chester 83421, Idaho monthly weather averages
Weather in nearby cities
- Billings, MT weather · about 193 miles away
- Salt Lake City, UT weather · about 224 miles away
- West Valley City, UT weather · about 230 miles away
- Boise City, ID weather · about 234 miles away
- West Jordan, UT weather · about 235 miles away
- Provo, UT weather · about 260 miles away