Chestnut, IL Weather Forecast & Alerts

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

0 Currently Active Alerts for Chestnut

✅
No active weather alerts for Chestnut at this time.
Subscribe to receive instant notifications when alerts are issued.

Current Conditions — Chestnut, IL

LINCOLN (KAAA)

Clear

64.4 F
Humidity:70%
Wind Speed: 5.8 mph
Barometer:29.99 in
Dewpoint:54.5 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 05:15 AM CDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5-Day Forecast — Chestnut, IL

Wednesday

High 80 °F
Mostly Cloudy
Wednesday
Night
Low 59 °F
Partly Cloudy
Thursday

High 82 °F
Partly Sunny
Thursday
Night
Low 62 °F
T-storms Likely
Friday

High 75 °F
T-storms
Friday
Night
Low 53 °F
Partly Cloudy
Saturday

High 75 °F
Mostly Sunny
Saturday
Night
Low 50 °F
Partly Cloudy
Sunday

High 75 °F
Partly Sunny

Detailed Forecast — Chestnut, IL

Wednesday
Mostly Cloudy. High near 80°F. Wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Partly Cloudy. Low around 59°F. Wind 6 to 7 mph, with gusts as high as 14 mph.
Thursday
Partly Sunny. High near 82°F. Wind 10 to 21 mph, with gusts as high as 29 mph.
Thursday Night
Thunderstorms Likely. Low around 62°F. Wind 16 to 17 mph, with gusts as high as 26 mph.
Friday
Thunderstorms. High near 75°F. Wind 10 to 16 mph, with gusts as high as 24 mph.
Friday Night
Partly Cloudy. Low around 53°F. Wind around 7 mph, with gusts as high as 14 mph.
Saturday
Mostly Sunny. High near 75°F. Wind 8 to 12 mph, with gusts as high as 15 mph.
Saturday Night
Partly Cloudy. Low around 50°F. Wind around 8 mph, with gusts as high as 16 mph.
Sunday
Partly Sunny. High near 75°F. Wind around 13 mph, with gusts as high as 21 mph.
Sunday Night
Chance of Thunderstorms. Low around 57°F. Wind around 17 mph, with gusts as high as 25 mph.
Monday
Thunderstorms Likely. High near 75°F. Wind 17 to 20 mph, with gusts as high as 25 mph.
Monday Night
Chance of Showers. Low around 51°F. Wind around 15 mph, with gusts as high as 23 mph.
Tuesday
Partly Sunny. High near 68°F. Wind 12 to 15 mph, with gusts as high as 21 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 22, 2026

Observation History — Chestnut, 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)
05:15 AM CDT 5.8 10.00 Clear -- 64.4 54.5 70% NA NA 29.99 1015.6
04:55 AM CDT 6.9 10.00 Clear -- 65.3 55.4 70% NA NA 29.99 1015.6
04:35 AM CDT W 5.8 10.00 Clear -- 65.7 55.8 70% NA NA 29.99 1015.6
04:15 AM CDT 4.6 10.00 NULL -- 66.4 56.3 70% NA NA 29.98 1015.2
03:55 AM CDT 8.1 10.00 Clear -- 66.6 56.8 71% NA NA 29.98 1015.2
03:35 AM CDT 4.7 10.00 Clear -- 66.7 57.2 71% NA NA 29.97 1014.9
03:15 AM CDT 8.1 10.00 Clear -- 67.3 57.2 70% NA NA 29.97 1014.9
02:55 AM CDT W 8.1 10.00 Clear -- 67.1 55.8 67% NA NA 29.96 1014.6
02:35 AM CDT 6.9 10.00 Clear -- 66.6 54.3 65% NA NA 29.96 1014.6
02:15 AM CDT 4.6 10.00 Clear -- 67.5 54.5 63% NA NA 29.96 1014.6
01:55 AM CDT 5.8 10.00 Clear -- 67.5 54.5 63% NA NA 29.96 1014.6
01:35 AM CDT SW 3.4 10.00 Clear -- 67.3 54.1 63% NA NA 29.97 1014.9
01:15 AM CDT 4.6 10.00 Clear -- 68.5 54.5 61% NA NA 29.97 1014.9
12:55 AM CDT SW 3.4 10.00 Partly Cloudy -- 68.7 54.5 60% NA NA 29.96 1014.6
12:35 AM CDT SW 3.4 10.00 Partly Cloudy -- 69.3 54.5 59% NA NA 29.96 1014.6
12:15 AM CDT SW 5.8 10.00 Partly Cloudy -- 69.3 54.1 59% NA NA 29.96 1014.6
11:55 PM CDT SW 3.4 10.00 Clear -- 68.9 54.1 59% NA NA 29.95 1014.2
11:35 PM CDT SW 4.7 10.00 Partly Cloudy -- 70.0 54.1 57% NA NA 29.96 1014.6
11:15 PM CDT 3.4 10.00 Partly Cloudy -- 69.8 54.5 58% NA NA 29.96 1014.6
10:55 PM CDT 0.0 10.00 Partly Cloudy -- 71.1 54.1 55% NA 70.5 29.95 1014.2
10:35 PM CDT 10.00 Partly Cloudy -- NULL % NA NA M
10:15 PM CDT SW 3.4 10.00 Partly Cloudy -- 71.6 54.1 54% NA 71.1 29.96 1014.6
09:55 PM CDT 3.4 10.00 Mostly Cloudy -- 72.3 54.5 54% NA 71.8 29.96 1014.6
09:35 PM CDT 0.0 10.00 Cloudy -- 73.4 54.5 52% NA 72.9 29.96 1014.6

Regional Weather Observation

LINCOLN (KAAA)

Clear
64.4 F

PEORIA (KPIA)

Clear
62.6 F

BLOOMINGTON/NORM (KBMI)

Clear
60.8 F

SPRINGFIELD (KSPI)

Clear
62.6 F

TAYLORVILLE (KTAZ)

Clear
60.8 F

DECATUR (KDEC)

Clear
60.8 F
🔔    Sign-up to receive daily weather forecasts by email or text - subscribe