Fairmont, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Fairmont weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Showers82%2.2″80°69°—
- SundayJul 5Overcast15%—79°66°-1°
- MondayJul 6Overcast——80°65°+1°
- TuesdayJul 7Overcast——84°62°+4°
- WednesdayJul 8Overcast——81°62°-3°
- ThursdayJul 9Thunderstorm49%0.14″79°67°-2°
- FridayJul 10Overcast46%—82°65°+3°
AQI 37 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.4 µg/m³, PM10 to 9.0 µg/m³.
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 35. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.
- Present
- AQI 35
- UV peak
- 2.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 8.4 µg/m³, PM10 to 9.0 µg/m³.
- PM2.5/PM10
- 0.93
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 10:49 PM
- Moonset
- 9:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Fairmont at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Fairmont
- Sat80°69°82%
- Sun79°66°15%
- Mon80°65°3%
- Tue84°62°2%
- Wed81°62°8%
- Thu79°67°49%
- Fri82°65°46%
- Sat82°63°16%
- Sun69°61°8%
- Mon77°57°8%
- Tue77°62°6%
- Wed81°63°29%
- Thu84°66°25%
- Fri82°70°19%
- Sat87°70°24%
- Sun85°71°33%
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 — Fairmont
SPC has placed Fairmont in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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.
ZIP codes in Fairmont
- 60441