Sidney, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Sidney weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain52%0.87″87°70°—
- SundayJul 5Overcast53%—80°69°-7°
- MondayJul 6Overcast10%—78°62°-2°
- TuesdayJul 7Partly Cloudy——80°59°+2°
- WednesdayJul 8Clear12%—83°64°+3°
- ThursdayJul 9Light Drizzle33%—80°69°-3°
- FridayJul 10Light Drizzle32%—81°66°+1°
AQI 32 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 4.9 µg/m³, PM10 at 5.6 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.
What's driving it
PM × Wind × Precip
PM2.5 at 4.9 µg/m³, PM10 at 5.6 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
- 10:47 PM
- Moonset
- 9:58 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Sidney at a glance
- Today vs. normal: 70°F — typical for the season
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61877
15-Day Forecast — Sidney
- Sat87°70°52%
- Sun80°69°53%
- Mon78°62°10%
- Tue80°59°6%
- Wed83°64°12%
- Thu80°69°33%
- Fri81°66°32%
- Sat85°70°25%
- Sun80°64°10%
- Mon86°70°7%
- Tue74°61°10%
- Wed77°59°23%
- Thu79°61°32%
- Fri85°70°29%
- Sat78°62°16%
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 — Sidney
SPC has placed Sidney in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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.
ZIP codes in Sidney
- 61877