Humboldt, Illinois Weather
Sun climbs to its northern throne. Day 86 of spring. Read this microseason across nine climate regions →
Humboldt weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 13Heavy Rain36%0.65″82°62°—
- SundayJun 14Light Rain38%0.16″72°57°-10°
- MondayJun 15Overcast——75°56°+3°
- TuesdayJun 16Drizzle24%0.02″77°57°+2°
- WednesdayJun 17Showers68%0.03″80°63°+3°
- ThursdayJun 18Light Drizzle68%0.01″78°63°-2°
- FridayJun 19Overcast17%—74°59°-4°
AQI 23 (Good), driven by PM2.5. AQI down 15 over the last 6 hours — air quality is improving sharply. PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.92 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.92 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 3:37 AM
- Moonset
- —
- In sign
- ♉︎ Taurus
Sun climbs to its northern throne
Humboldt at a glance
- Today vs. normal: 13°F below the seasonal normal for this latitude
- Last frost: April 14 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Prune spring-blooming shrubs after flowers fade.
15-Day Forecast — Humboldt
- Sat85°62°36%
- Sun72°57°38%
- Mon75°56°0%
- Tue77°57°24%
- Wed80°63°68%
- Thu78°63°68%
- Fri74°59°17%
- Sat78°56°23%
- Sun80°62°28%
- Mon75°62°31%
- Tue80°59°13%
- Wed79°66°22%
- Thu79°66°26%
- Fri75°58°15%
- Sat71°52°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 13, 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 — Humboldt
SPC has placed Humboldt in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Humboldt
- 61931