Smithville, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Smithville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle58%0.05″88°68°—
- SundayJul 5Overcast18%—84°68°-4°
- MondayJul 6Partly Cloudy——82°65°-2°
- TuesdayJul 7Partly Cloudy——80°61°-2°
- WednesdayJul 8Light Drizzle——84°64°+4°
- ThursdayJul 9Thunderstorm43%0.01″82°69°-2°
- FridayJul 10Overcast43%—78°64°-4°
AQI 25 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 8.4 µg/m³, PM10 at 9.6 µg/m³ — typical background levels with no transport signature.
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 33. Overcast through the UV peak window (cloud cover ~66%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 3.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 8.4 µg/m³, PM10 at 9.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 10:55 PM
- Moonset
- 10:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Smithville at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Smithville
- Sat88°68°58%
- Sun84°68°18%
- Mon82°65°7%
- Tue80°61°3%
- Wed84°64°7%
- Thu82°69°43%
- Fri78°64°43%
- Sat82°66°15%
- Sun70°59°6%
- Mon74°56°8%
- Tue76°60°8%
- Wed79°63°16%
- Thu82°64°14%
- Fri82°68°26%
- Sat85°70°26%
- Sun84°72°20%
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 — Smithville
SPC has placed Smithville in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
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 Smithville
- 61536