Slackwater, IL
Historical community (former settlement) in Peoria County, Illinois
Slackwater is a historical community (former settlement) in Peoria County, Illinois. It is 4.8 miles SE of Princeville, the nearest town. Its ZIP code is 61559.
Slackwater at a glance
- State
- Illinois
- County
- Peoria County
- ZIP code
- 61559
- Nearest town
- Princeville (4.8 mi)
- Time zone
- America/Chicago
- Coordinates
- 40.9825, -89.8208
Weather in Slackwater now
Loading the National Weather Service forecast…
Slackwater weather by the hour
Slackwater weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Slackwater.
This week in Slackwater
Sunrise, sunset and moon in Slackwater
What is the weather usually like in Slackwater?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 86°F average high
- Januarycoldest month · 15°F average low
- 38.8 inprecipitation per year · 986 mm
- 20.3 insnowfall per year · 52 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Slackwater: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PRINCEVILLE, IL US (USC00117004), adjusted for the elevation of Slackwater.
Slackwater weather month by month
Sunrise and sunset in Slackwater through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:20 AM | 4:57 PM | 9 h 37 min |
| February | 6:51 AM | 5:35 PM | 10 h 43 min |
| March | 7:08 AM | 7:07 PM | 11 h 58 min |
| April | 6:18 AM | 7:40 PM | 13 h 22 min |
| May | 5:39 AM | 8:11 PM | 14 h 32 min |
| June | 5:24 AM | 8:34 PM | 15 h 9 min |
| July | 5:38 AM | 8:31 PM | 14 h 52 min |
| August | 6:08 AM | 7:59 PM | 13 h 51 min |
| September | 6:38 AM | 7:10 PM | 12 h 31 min |
| October | 7:09 AM | 6:20 PM | 11 h 10 min |
| November | 6:45 AM | 4:42 PM | 9 h 56 min |
| December | 7:15 AM | 4:33 PM | 9 h 17 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Slackwater?
Slackwater has a hot-summer humid continental climate. The warmest month is July, with an average high of 86°F (30°C), and the coldest is January, with average lows of 15°F (-10°C).
It gets about 38.8 inches (986 mm) of precipitation a year. The wettest month is May and the driest is February. Snow is common: about 20 inches fall in an average year.
The best time to visit Slackwater is May–June and August–September. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
Webcams near Slackwater
The closest live webcam is Peoria Heights › South-east, 20.7 miles SE of Slackwater.
Webcams: Windy.com. Distances in a straight line from Slackwater.
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Map of Slackwater, IL
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Slackwater Street View
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Open in Google Maps ›Towns near Slackwater
Other communities near Slackwater
Questions about Slackwater
Where is Slackwater, IL?
Slackwater is a historical community (former settlement) in Peoria County, Illinois, 4.8 miles SE of Princeville.
What county is Slackwater in?
Slackwater is in Peoria County, Illinois.
What is the ZIP code of Slackwater, IL?
The ZIP code for Slackwater is 61559.
What is the nearest town to Slackwater?
Princeville, 4.8 miles away.
Are there webcams near Slackwater?
Yes. The closest is Peoria Heights › South-east, 20.7 miles away.
What is the hottest month in Slackwater?
July, with an average high of 86°F (30°C).
What is the coldest month in Slackwater?
January, with an average low of 15°F (-10°C).
How much does it rain in Slackwater?
About 38.8 inches (986 mm) a year; the wettest month is May.
Does it snow in Slackwater?
Yes, about 20 inches of snow fall in an average year.
When is the best time to visit Slackwater?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Slackwater have?
Hot-summer humid continental (Köppen Dfa).
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