Savoy, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Savoy weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle49%0.04″89°70°—
- SundayJul 5Overcast21%—84°69°-5°
- MondayJul 6Partly Cloudy18%—82°66°-2°
- TuesdayJul 7Overcast——81°61°-1°
- WednesdayJul 8Clear——82°61°+1°
- ThursdayJul 9Thunderstorm40%—84°70°+2°
- FridayJul 10Light Drizzle40%—78°69°-6°
AQI 30 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 39 now. With UV 6.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 23 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 6.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 23 around 1 PM.
- Present
- AQI 39
- UV peak
- 6.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 23
PM × Wind × Precip
PM2.5 at 5.8 µg/m³, PM10 at 6.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- 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
- 10:48 PM
- Moonset
- 9:59 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Savoy at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- 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: 61874
16-Day Forecast — Savoy
- Sat89°70°49%
- Sun84°69°21%
- Mon82°66°18%
- Tue81°61°4%
- Wed82°61°4%
- Thu84°70°40%
- Fri78°69°40%
- Sat83°66°13%
- Sun72°58°7%
- Mon71°56°6%
- Tue77°59°10%
- Wed80°63°20%
- Thu82°65°26%
- Fri81°69°32%
- Sat85°70°29%
- Sun82°71°32%
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 — Savoy
SPC has placed Savoy in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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.
Microseason · July 1–5
Cicadas claim the scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
In Savoy, July runs warmest near 75°F and January coldest around 26°F, while May is the wettest month (4.8 inches) and February the driest (2.2 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 26° | 2.3″ | 5 |
| February | 30° | 2.2″ | 5 |
| March | 41° | 2.8″ | 6 |
| April | 52° | 3.9″ | 8 |
| May | 63° | 4.8″ | 9 |
| June | 72° | 4.6″ | 7 |
| July | 75° | 4.5″ | 7 |
| August | 74° | 3.5″ | 6 |
| September | 67° | 3.4″ | 5 |
| October | 55° | 3.4″ | 6 |
| November | 41° | 3.2″ | 6 |
| December | 31° | 2.4″ | 5 |
Regional context
In Savoy, NOAA NCEI 1991-2020 normals put January near 26°F and July near 75°F — a 50°F seasonal arc — with about 40.9 inches of precipitation over 74 rainy or snowy days.
Precipitation in Savoy runs summer-dominant: May averages 4.8 inches across 8.6 days of warm-season storms, while February drops to 2.2 inches over 4.6 rainy days of drier cool air. It is a warm-season-wet pattern Savoy shares with places like Champaign, IL, Urbana, IL and Tolono, IL.
Around mid-April, Savoy sheds its freezing nights — kale, peas, spinach, and parsnips go into Savoy's beds. Savoy's heat-lovers — tomatoes, peppers, squash — hold off until Savoy's frost risk clears, 10-14 days on. By mid-November, frost is back in Savoy — protect or harvest anything tender. Savoy's low ground holds frost later into spring than Savoy's benches, which run 3-5 days ahead.
Similar climates: Champaign, IL, Urbana, IL, Tolono, IL, Philo, IL, Bondville, IL.
Frequently asked
- When does it freeze in Savoy?
- In Savoy, expect the last spring frost near mid-April; Savoy's first autumn frost comes around mid-November.
- What is the rainy season in Savoy?
- May is the wettest month in Savoy, about 4.8 inches on average; the year totals roughly 41 inches.
- What is the warmest month in Savoy?
- Savoy peaks in July, when the mean runs near 75°F.
- What is the coldest month in Savoy?
- January is Savoy's coldest month, averaging about 26°F.
- When can I start a vegetable garden in Savoy?
- In Savoy, sow peas and hardy greens around mid-April; Savoy's tomatoes and peppers wait two weeks more.
- How many rainy days does Savoy get?
- Savoy averages about 74 days with measurable rain or snow each year.
- What hardiness zone is Savoy?
- Because Savoy bottoms near 26°F in January, that winter low sets Savoy's USDA zone — verify by ZIP.
- What is the 10-day forecast for Savoy?
- Savoy's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Savoy?
- See this week's day-by-day rain chances for Savoy in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Savoy?
- Current conditions for Savoy and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Savoy forecast updated?
- The Savoy forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Savoy?
- Today's sunrise and sunset times for Savoy are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Savoy?
- The next few days in Savoy's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Savoy, Illinois, the humid subtropical climate runs from about 26°F in January to 75°F in July, a 49°F seasonal range.
In a typical year Savoy records about 41 inches of precipitation on around 74 days.
From 40.1°N, Savoy sees a 49°F seasonal swing that governs Savoy's planting and frost windows.
ZIP codes in Savoy
- 61874