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WeatherLiveIllinoisEureka

Eureka, IL Weather (61530)

Current WeatherEureka · 8:49 AM CDT
83° | 64°
69°F
Feels like 71°
Showers
WindNE 4 mph · Gusts 7 mph
Precip80% · 0.70 in
Humidity82% · Dew point 64°
UV index8 High
Air Quality22 Good
Pressure30.06 inHg
Visibility6 mi
Sunrise / Sunset6:12 AM · 7:48 PM · 13h 36m

Weather map — Eureka

Full radar →
Now
69°
0.04 in
4 mph
09:00
71°
0.04 in
9 mph
10:00
73°
0.04 in
9 mph
11:00
76°
0.04 in
6 mph
12:00
78°
0.04 in
8 mph
13:00
79°
0.04 in
8 mph
14:00
82°
0.04 in
6 mph
15:00
83°
0.04 in
7 mph
16:00
74°
5%
7 mph
17:00
73°
6%
7 mph
18:00
72°
9%
7 mph
19:00
72°
11%
6 mph
20:00
68°
13%
6 mph
21:00
66°
13%
5 mph
22:00
65°
13%
5 mph
23:00
64°
13%
5 mph
00:00
62°
13%
5 mph
01:00
62°
13%
6 mph
02:00
61°
24%
7 mph
03:00
60°
14%
6 mph
04:00
60°
14%
6 mph
05:00
60°
14%
7 mph
06:00
59°
15%
7 mph
07:00
60°
17%
5 mph

Today · Thu 8/20

High 83°
80% / 0.70 in

Showers. Winds NE at 9 mph.

Tonight · Thu 8/20

Low 59°
13% / –

Sunny. Winds NE at 5 mph.

Tomorrow · Fri 8/21

79° | 59°
75% / 0.22 in

Sunny. Winds SW at 9 mph.

7-day trend

Eureka · temperature + precipitation

10-day forecast

Updated 8:49 AM

Details & indices

Wind
4 mph NE
Gusts 7 mph
Humidity
82%
Dew point 64°
Pressure
30.06 inHg
Rising
UV index
8 — High
High today
Air Quality
Good
AQI 22 · US EPA
Allergy
None detected
Visibility
6 mi
Clear view
Allergy — Eureka

🌿 Conditions right now

View all →
Birch
None
Grass
None
Oak
None
Alder
None
Hazel
None
Mugwort
None
Ragweed
None

Sun & moon

Sunrise6:12 AM
Sunset7:48 PM
Length of day13h 36m
Moonrise2:53 PM
Moonset11:43 PM
Next full moonAug 27 Sturgeon Moon
Latitude40.7214°N
Longitude-89.2729°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Poor
Line-drying weather
Grilling
Fair
Fire up the grill
Running
Poor
Lace up outside
Patio
Fair
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Chicago
🌤️
Aurora
🌤️
Rockford
🌤️
Joliet
🌤️
Naperville
Data sources · Thursday, August 20
Where the Eureka forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 40.7214°N, -89.2729°.
NBM + global weather models
Updated: 8:49 AM
Weather in Eureka
The 10-day span for Eureka runs from a high near 83° on Tuesday down to 49° overnight on Thursday. About 0.98 in of precipitation is expected in total; the most likely wet day is Thursday (80% chance). Hold onto the patio furniture Wednesday: gusts could hit 29 mph. The NWS alert board for this area is currently clear. Right now Eureka is about 16° cooler than nearby Aurora. Longer view: variable mid-latitude weather in every season.
Eureka, IL · Elev 768 ft · 40.72°N, 89.27°W · Illinois · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 8:49 AM