Ohlman, Illinois Weather
Fireflies pulse through the magnolias. Day 78 of spring. Read this microseason across nine climate regions →
Ohlman weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 5Overcast12%—87°67°—
- SaturdayJun 6Overcast16%—90°71°+3°
- SundayJun 7Showers46%0.31″80°66°-10°
- MondayJun 8Showers73%0.02″87°68°+7°
- TuesdayJun 9Thunderstorm51%—88°67°+1°
- WednesdayJun 10Thunderstorm32%—88°74°0°
- ThursdayJun 11Thunderstorm——92°74°+4°
AQI 48 (Good), driven by Ozone. AQI down 29 over the last 6 hours — air quality is improving sharply. Ozone at AQI 40. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 40. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
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).
The higher the clouds, the finer the weather.
- Moonrise
- 4:55 AM
- Moonset
- 3:06 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Ohlman at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 5, 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 — Ohlman
SPC has placed Ohlman in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.