Irwin, Idaho Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Irwin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——92°55°—
- MondayJul 6Overcast17%—93°67°+1°
- TuesdayJul 7Rain18%0.03″87°58°-6°
- WednesdayJul 8Light Drizzle——90°55°+3°
- ThursdayJul 9Clear——87°53°-3°
- FridayJul 10Clear——94°57°+7°
- SaturdayJul 11Clear——97°58°+3°
AQI 34 (Good), driven by PM2.5. AQI down 14 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 11:47 PM
- Moonset
- 11:40 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Irwin at a glance
- Today vs. normal: 12°F below the seasonal normal for this latitude
- Last frost: May 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 83428
16-Day Forecast — Irwin
- Sun92°55°5%
- Mon93°67°17%
- Tue87°58°18%
- Wed90°55°8%
- Thu87°53°8%
- Fri94°57°0%
- Sat97°58°0%
- Sun101°61°1%
- Mon99°66°5%
- Tue107°65°13%
- Wed104°64°18%
- Thu104°67°25%
- Fri98°64°23%
- Sat99°63°23%
- Sun99°64°13%
- Mon96°62°14%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Irwin
SPC includes Irwin 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 Irwin
- 83428