Now

72°

1.12 in

11 mph

06:00

73°

0.64 in

6 mph

07:00

73°

0.41 in

5 mph

08:00

73°

0.14 in

4 mph

09:00

74°

0.04 in

8 mph

10:00

76°

28%

6 mph

11:00

80°

30%

4 mph

12:00

80°

37%

4 mph

13:00

84°

3 mph

14:00

86°

2 mph

15:00

87°

3 mph

16:00

88°

2 mph

17:00

88°

4 mph

18:00

86°

7 mph

19:00

83°

18%

8 mph

20:00

81°

17%

7 mph

21:00

81°

15%

7 mph

22:00

81°

11%

6 mph

23:00

79°

13%

5 mph

00:00

77°

17%

5 mph

01:00

77°

17%

6 mph

02:00

76°

12%

5 mph

03:00

76°

4 mph

04:00

77°

5 mph

10-day forecast

Updated 5:43 AM

Sat · Today · 15 Aug Thunderstorms

88° 72° 3.15 in

Sun · Tomorrow · 16 Aug Sunny

87° 73° 18%

Monday · 17 Aug Sunny

85° 66° 8%

Tuesday · 18 Aug Sunny

90° 66° 8%

Wednesday · 19 Aug Sunny

81° 67° 0.72 in

Thursday · 20 Aug Partly cloudy

72° 62° 0.57 in

Friday · 21 Aug Showers

65° 61° 0.51 in

Saturday · 22 Aug Sunny

79° 59° 12%

Sunday · 23 Aug Sunny

83° 64° 8%

Monday · 24 Aug Sunny

87° 64° 8%

Details & indices

Wind

11 mph SE

Gusts 20 mph

Humidity

98%

Dew point 72°

Pressure

29.97 inHg

Rising

UV index

5 — Moderate

High today

Air Quality

Good

AQI 25 · US EPA

Allergy

None detected

—

Visibility

6 mi

Clear view

Allergy — Delavan

🌿 Conditions right now

View all →

Birch

None

Grass

None

Oak

None

Alder

None

Hazel

None

Mugwort

None

Ragweed

None

Sun & moon

Sunrise6:09 AM

Sunset7:56 PM

Length of day13h 47m

Moonrise9:27 AM

Moonset9:20 PM

Moon phase🌒 Waxing Crescent · 9%

Next full moonAug 27 Sturgeon Moon

Latitude40.3725°N

Longitude-89.5473°E

Water temps nearby

View all →

No beaches within 50 miles

🌧️Rain continuing through 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}}

🌤️

Data sources · Saturday, August 15

Where the Delavan 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: 40.3725°N, -89.5473°.

NBM + global weather models

Updated: 5:43 AM

Weather in Delavan

Delavan's outlook: warmest day near 90° (Tuesday), coldest night about 59° (Saturday). Roughly 5.0 in of rain falls over the period, with Friday the most likely wet day (94%). Wind is the one to watch: gusts to 51 mph around Wednesday. No watches or warnings are active for the area right now. Longer view: variable mid-latitude weather in every season.

Delavan, IL · Elev 614 ft · 40.37°N, 89.55°W · Illinois · Forecast computed for these exact coordinates

Delavan, IL Weather (61734)

Weather map — Delavan

Today · Sat 8/15

Overnight · Sat 8/15

Tomorrow · Sun 8/16

7-day trend

10-day forecast

Details & indices

🌿 Conditions right now

Sun & moon

Water temps nearby

Daily planner