Thompsonville, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Thompsonville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain29%0.46″96°71°—
- SundayJul 5Drizzle25%0.03″89°72°-7°
- MondayJul 6Overcast25%—88°71°-1°
- TuesdayJul 7Overcast14%—85°69°-3°
- WednesdayJul 8Clear14%—90°66°+5°
- ThursdayJul 9Overcast30%—94°71°+4°
- FridayJul 10Light Showers40%0.28″87°72°-7°
AQI 54 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 46 now. With UV 6.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 37 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 46 now. With UV 6.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 37 around 1 PM.
- Present
- AQI 46
- UV peak
- 6.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 37
PM × Wind × Precip
PM2.5 at 6.0 µg/m³ (AQI 33) with a 0.92 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- Wind
- calm
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 10:47 PM
- Moonset
- 10:03 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Thompsonville at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 62890
16-Day Forecast — Thompsonville
- Sat96°71°29%
- Sun89°72°25%
- Mon88°71°25%
- Tue85°69°14%
- Wed90°66°14%
- Thu94°71°30%
- Fri87°72°40%
- Sat90°71°32%
- Sun79°64°16%
- Mon75°58°9%
- Tue79°61°9%
- Wed82°63°5%
- Thu84°65°13%
- Fri79°69°11%
- Sat83°70°19%
- Sun91°73°23%
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 — Thompsonville
SPC has placed Thompsonville 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 Thompsonville
- 62890