Lost River, Idaho Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Lost River weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Clear——82°48°—
- SundayJul 5Overcast——87°62°+5°
- MondayJul 6Overcast12%—83°63°-4°
- TuesdayJul 7Overcast17%—85°56°+2°
- WednesdayJul 8Overcast——86°58°+1°
- ThursdayJul 9Clear——85°55°-1°
- FridayJul 10Clear——87°57°+2°
AQI 12 (Good), driven by Ozone. AQI down 13 over the last 6 hours (gradual decline). Ozone at AQI 36 now. With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 24 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 36 now. With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 24 around 1 PM.
- Present
- AQI 36
- UV peak
- 5.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 24
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:36 PM
- Moonset
- 10:40 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Lost River at a glance
- Today vs. normal: 66°F — typical for the season
- Last frost: May 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Lost River
- Sat82°48°0%
- Sun87°62°4%
- Mon83°63°12%
- Tue85°56°17%
- Wed86°58°9%
- Thu85°55°2%
- Fri87°57°0%
- Sat94°61°0%
- Sun88°63°1%
- Mon86°61°8%
- Tue82°64°11%
- Wed91°59°14%
- Thu93°62°6%
- Fri93°64°12%
- Sat94°64°17%
- Sun94°64°17%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Lost River
SPC includes Lost River in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Lost River
- 83251
- 83255