Freeburg, Illinois Weather
Heat settles and the rain begins. Day 90 of spring. Read this microseason across nine climate regions →
Freeburg weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast28%—79°57°—
- WednesdayJun 17Thunderstorm41%0.02″90°64°+11°
- ThursdayJun 18Overcast28%—81°64°-9°
- FridayJun 19Overcast——79°61°-2°
- SaturdayJun 20Overcast11%—83°61°+4°
- SundayJun 21Showers74%0.06″78°64°-5°
- MondayJun 22Overcast74%—76°61°-2°
AQI 44 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.7 µg/m³ (AQI 37) 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
Ozone × UV × Sky
Ozone at AQI 30 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 7 around 1 PM.
- Present
- AQI 30
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 6.7 µg/m³ (AQI 37) 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).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:04 AM
- Moonset
- 10:31 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Freeburg at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Freeburg
- Tue79°57°28%
- Wed90°65°41%
- Thu81°64°28%
- Fri79°61°8%
- Sat83°61°11%
- Sun78°64°74%
- Mon76°61°74%
- Tue73°59°8%
- Wed77°64°7%
- Thu85°63°11%
- Fri89°67°18%
- Sat93°71°30%
- Sun95°74°39%
- Mon92°74°32%
- Tue93°74°32%
- Wed87°72°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 17, 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 — Freeburg
SPC has placed Freeburg in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWSLGTSlight Risk
- 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 Freeburg
- 62221
- 62243