Rexburg, Idaho Weather
Monsoon storms drench the south. Day 14 of summer. Read this microseason across nine climate regions →
Rexburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Clear——87°50°—
- SundayJul 5Overcast——94°58°+7°
- MondayJul 6Light Showers26%—93°60°-1°
- TuesdayJul 7Light Drizzle26%—93°55°0°
- WednesdayJul 8Overcast13%—96°55°+3°
- ThursdayJul 9Clear——92°51°-4°
- FridayJul 10Clear——94°51°+2°
AQI 24 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 48 now. With UV 9.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 60 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 48 now. With UV 9.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 60 around 1 PM.
- Present
- AQI 48
- UV peak
- 9.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 60
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
- 11:29 PM
- Moonset
- 10:32 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Rexburg at a glance
- Today vs. normal: 10°F above the seasonal normal for this latitude
- Last frost: May 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 83440, 83460
16-Day Forecast — Rexburg
- Sat87°50°0%
- Sun94°58°2%
- Mon93°60°26%
- Tue93°55°26%
- Wed96°55°13%
- Thu92°51°6%
- Fri94°51°0%
- Sat101°53°1%
- Sun110°61°1%
- Mon111°64°9%
- Tue108°64°11%
- Wed107°64°13%
- Thu104°62°13%
- Fri104°61°6%
- Sat105°63°14%
- Sun108°62°18%
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 — Rexburg
SPC includes Rexburg 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 Rexburg
- 83460
- 83440