Deerfield, IL Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Deerfield, IL.

Current Conditions — Deerfield, IL

PALWAUKEE (KPWK)

Clear

51.8 F
Humidity:87%
Wind Speed: 9.2 mph
Barometer:29.93 in
Dewpoint:48.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 27 2026, 04:10 AM CDT
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5-Day Forecast — Deerfield, IL

Monday

High 68 °F
T-storms Likely
Monday
Night
Low 51 °F
T-storms
Tuesday

High 64 °F
Mostly Cloudy
Tuesday
Night
Low 46 °F
Slight Chance of Rain
Wednesday

High 57 °F
Mostly Cloudy
Wednesday
Night
Low 41 °F
Mostly Clear
Thursday

High 57 °F
Mostly Cloudy
Thursday
Night
Low 41 °F
Mostly Cloudy
Friday

High 53 °F
Mostly Cloudy

Detailed Forecast — Deerfield, IL

Monday
Thunderstorms Likely. High near 68°F. Wind 16 to 24 mph, with gusts as high as 36 mph.
Monday Night
Thunderstorms. Low around 51°F. Wind 16 to 21 mph, with gusts as high as 32 mph.
Tuesday
Mostly Cloudy. High near 64°F. Wind 6 to 15 mph, with gusts as high as 23 mph.
Tuesday Night
Slight Chance of Rain. Low around 46°F. Wind 3 to 6 mph, with gusts as high as 12 mph.
Wednesday
Mostly Cloudy. High near 57°F. Wind 8 to 12 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly Clear. Low around 41°F. Wind around 2 mph, with gusts as high as 5 mph.
Thursday
Mostly Cloudy. High near 57°F. Wind 6 to 8 mph, with gusts as high as 13 mph.
Thursday Night
Mostly Cloudy. Low around 41°F. Wind around 2 mph, with gusts as high as 6 mph.
Friday
Mostly Cloudy. High near 53°F. Wind 7 to 9 mph, with gusts as high as 14 mph.
Friday Night
Mostly Clear. Low around 39°F. Wind around 2 mph, with gusts as high as 5 mph.
Saturday
Partly Sunny. High near 57°F. Wind 3 to 7 mph, with gusts as high as 12 mph.
Saturday Night
Partly Cloudy. Low around 44°F. Wind around 3 mph, with gusts as high as 7 mph.
Sunday
Partly Sunny. High near 64°F. Wind 6 to 9 mph, with gusts as high as 14 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 27, 2026

Observation History — Deerfield, IL

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
04:10 AM CDT 9.2 10.00 Clear -- 51.8 48.2 87% NA NA 29.93 1013.5
04:05 AM CDT SE 9.2 10.00 Clear -- 51.8 48.2 87% NA NA 29.93 1013.5
04:00 AM CDT SE 9.2 10.00 Clear -- 51.8 48.2 87% NA NA 29.94 1013.9
03:45 AM CDT SE 9.2 10.00 Mostly Clear -- 51.8 48.2 87% NA NA 29.94 1013.9
03:35 AM CDT SE 10.4 10.00 Mostly Clear -- 51.8 48.2 87% NA NA 29.94 1013.9
03:20 AM CDT 9.2 10.00 Clear -- 51.8 48.2 87% NA NA 29.95 1014.2
03:15 AM CDT SE 9.2 10.00 Clear -- 51.8 48.2 87% NA NA 29.95 1014.2
03:05 AM CDT 6.9 10.00 Clear -- 51.8 48.2 87% NA NA 29.96 1014.6
02:50 AM CDT 5.7 10.00 Mostly Clear -- 51.8 48.2 87% NA NA 29.97 1014.9
02:45 AM CDT 8.1 10.00 Clear -- 51.8 48.2 87% NA NA 29.97 1014.9
02:35 AM CDT 3.4 10.00 Clear -- 48.2 46.4 93% 47.3 NA 29.97 1014.9
02:30 AM CDT 3.4 10.00 Clear -- 48.2 46.4 93% 47.3 NA 29.97 1014.9
02:25 AM CDT 3.4 10.00 Clear -- 48.2 44.6 87% 47.3 NA 29.98 1015.2
02:20 AM CDT E 3.4 10.00 Clear -- 48.2 44.6 87% 47.3 NA 29.98 1015.2
02:15 AM CDT 0.0 10.00 Clear -- 46.4 44.6 93% NA NA 29.98 1015.2
02:10 AM CDT 0.0 10.00 Clear -- 46.4 44.6 93% NA NA 29.98 1015.2
02:05 AM CDT 0.0 10.00 Clear -- 46.4 44.6 93% NA NA 29.98 1015.2
02:00 AM CDT 0.0 10.00 Clear -- 46.4 44.6 93% NA NA 29.98 1015.2
01:50 AM CDT 3.4 10.00 Mostly Clear -- 46.4 44.6 93% 45.1 NA 29.99 1015.6
01:40 AM CDT E 3.4 10.00 Mostly Clear -- 46.4 42.8 87% 45.1 NA 30.00 1015.9
01:35 AM CDT 0.0 10.00 Mostly Clear -- 46.4 42.8 87% NA NA 30.00 1015.9
01:30 AM CDT 0.0 10.00 Mostly Clear -- 46.4 42.8 87% NA NA 30.00 1015.9
01:20 AM CDT 0.0 10.00 Clear -- 46.4 42.8 87% NA NA 30.00 1015.9
01:15 AM CDT 0.0 10.00 Mostly Clear -- 46.4 42.8 87% NA NA 30.00 1015.9

Regional Weather Observation

PALWAUKEE (KPWK)

Clear
51.8 F

WAUKEGAN (KUGN)

Clear
46.4 F

KENOSHA (KENW)

Clear
48.2 F

BURLINGTON (KBUU)

Clear
49.1 F

RACINE (KRAC)

Clear
46.4 F

EAST TROY (K57C)

Clear
48.0 F
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