Curran, Illinois Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Curran weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain39%0.08″91°71°—
- SundayJul 5Overcast32%—80°71°-11°
- MondayJul 6Light Drizzle22%—84°67°+4°
- TuesdayJul 7Clear——81°63°-3°
- WednesdayJul 8Overcast13%—85°64°+4°
- ThursdayJul 9Light Drizzle31%0.01″84°71°-1°
- FridayJul 10Light Drizzle31%0.04″82°70°-2°
AQI 29 (Good), driven by Ozone. AQI down 10 over the last 6 hours (gradual decline).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
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
- 10:53 PM
- Moonset
- 10:05 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Curran at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Curran
- Sat91°71°39%
- Sun80°71°32%
- Mon84°67°22%
- Tue81°63°9%
- Wed85°64°13%
- Thu84°71°31%
- Fri82°70°31%
- Sat84°68°18%
- Sun73°59°10%
- Mon74°57°4%
- Tue75°60°5%
- Wed79°63°10%
- Thu82°65°16%
- Fri83°68°23%
- Sat86°70°24%
- Sun85°72°23%
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 — Curran
SPC has placed Curran 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.
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
July is Curran's warmest stretch (~78°F) and January its coldest (~27°F); precipitation crests in May at 4.5 inches and ebbs in January to 1.9 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 27° | 1.9″ | 14 |
| February | 31° | 2.1″ | 12 |
| March | 42° | 3.4″ | 16 |
| April | 54° | 4.1″ | 16 |
| May | 64° | 4.5″ | 17 |
| June | 73° | 4.3″ | 15 |
| July | 78° | 2.9″ | 14 |
| August | 78° | 2.5″ | 13 |
| September | 71° | 2.9″ | 12 |
| October | 58° | 3.0″ | 11 |
| November | 43° | 3.4″ | 12 |
| December | 31° | 2.7″ | 13 |
Frequently asked
- When does it freeze in Curran?
- Curran's last spring frost lands near mid-April, and in Curran the first fall frost follows around mid-November.
- What is the rainy season in Curran?
- Curran sees its heaviest rain in May (around 4.5 inches), part of roughly 38 inches a year.
- What is the warmest month in Curran?
- July is Curran's warmest month, averaging about 78°F.
- What is the coldest month in Curran?
- Curran bottoms out in January, with a mean near 27°F.
- When can I start a vegetable garden in Curran?
- Curran's last frost (mid-April) cues hardy greens; in Curran, hold heat-lovers two weeks past.
- How many rainy days does Curran get?
- Curran records around 165 days of measurable precipitation annually.
- What hardiness zone is Curran?
- Curran sits in the USDA zone set by January lows near 27°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Curran?
- Curran'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 Curran?
- See this week's day-by-day rain chances for Curran in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Curran?
- Current conditions for Curran and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Curran forecast updated?
- The Curran forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Curran?
- Today's sunrise and sunset times for Curran 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 Curran?
- The next few days in Curran's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Curran's humid subtropical climate in Illinois pairs 27°F Januarys with 78°F Julys, 51°F apart across the seasons.
Rain and snow bring Curran roughly 38 inches a year across approximately 165 measurable-precipitation days.
At 39.7°N, Curran's 51°F summer-to-winter swing sets when Curran's gardens wake and when frost returns.
ZIP codes in Curran
- 62670