Alpha, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Alpha weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast62%—84°69°—
- SundayJul 5Overcast21%—84°68°0°
- MondayJul 6Partly Cloudy——81°62°-3°
- TuesdayJul 7Clear——80°60°-1°
- WednesdayJul 8Overcast13%—83°63°+3°
- ThursdayJul 9Thunderstorm26%—83°69°0°
- FridayJul 10Overcast26%—78°64°-5°
AQI 21 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.
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
- 10:57 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Alpha at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 61413
16-Day Forecast — Alpha
- Sat84°69°62%
- Sun84°68°21%
- Mon81°62°2%
- Tue80°60°4%
- Wed83°63°13%
- Thu83°69°26%
- Fri78°64°26%
- Sat83°65°17%
- Sun67°58°8%
- Mon74°55°6%
- Tue75°60°10%
- Wed79°64°19%
- Thu80°65°14%
- Fri81°68°19%
- Sat84°70°23%
- Sun85°71°29%
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 — Alpha
SPC has placed Alpha 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 Alpha
- 61413