Buncombe, IL Weather Forecast & Alerts

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

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Current Conditions — Buncombe, IL

MARION REGIONAL (KMWA)

Clear

66.2 F
Humidity:52%
Wind Speed: G 21.9 mph
Barometer:30.12 in
Dewpoint:48.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 22 2026, 08:45 AM CDT
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5-Day Forecast — Buncombe, IL

Wednesday

High 80 °F
Mostly Sunny
Wednesday
Night
Low 55 °F
Mostly Clear
Thursday

High 80 °F
Mostly Sunny
Thursday
Night
Low 64 °F
Chance of Scattered T-storms
Friday

High 77 °F
T-storms
Friday
Night
Low 57 °F
Rain Likely
Saturday

High 77 °F
Slight Chance of Showers
Saturday
Night
Low 55 °F
Partly Cloudy
Sunday

High 78 °F
Isolated T-storm

Detailed Forecast — Buncombe, IL

Wednesday
Mostly Sunny. High near 80°F. Wind 8 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly Clear. Low around 55°F. Wind 2 to 6 mph, with gusts as high as 10 mph.
Thursday
Mostly Sunny. High near 80°F. Wind 3 to 13 mph, with gusts as high as 24 mph.
Thursday Night
Chance of Scattered Thunderstorms. Low around 64°F. Wind around 8 mph, with gusts as high as 18 mph.
Friday
Thunderstorms. High near 77°F. Wind 6 to 13 mph, with gusts as high as 22 mph.
Friday Night
Rain Likely. Low around 57°F. Wind around 2 mph, with gusts as high as 8 mph.
Saturday
Slight Chance of Showers. High near 77°F. Wind 3 to 7 mph, with gusts as high as 14 mph.
Saturday Night
Partly Cloudy. Low around 55°F. Wind around 1 mph, with gusts as high as 5 mph.
Sunday
Isolated T-storm. High near 78°F. Wind 5 to 7 mph, with gusts as high as 14 mph.
Sunday Night
Chance of Scattered Thunderstorms. Low around 62°F. Wind around 6 mph, with gusts as high as 15 mph.
Monday
Thunderstorms Likely. High near 78°F. Wind 12 to 17 mph, with gusts as high as 29 mph.
Monday Night
Chance of Showers. Low around 55°F. Wind around 5 mph, with gusts as high as 12 mph.
Tuesday
Mostly Sunny. High near 75°F. Wind 2 to 7 mph, with gusts as high as 15 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 22, 2026

Observation History — Buncombe, 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)
08:45 AM CDT G 21.9 10.00 Clear -- 66.2 48.2 52% NA NA 30.12 1020.0
07:45 AM CDT 4.7 10.00 Clear -- 60.8 48.2 63% NA NA 30.13 1020.3
06:45 AM CDT 0.0 10.00 Clear -- 57.2 44.6 63% NA NA 30.12 1020.0
06:35 AM CDT S 3.4 10.00 Clear -- 54.0 44.8 71% NA NA 30.12 1020.0
06:15 AM CDT 3.4 10.00 Clear -- 50.9 43.5 76% NA NA 30.12 1020.0
05:55 AM CDT 4.7 10.00 Clear -- 52.9 43.9 71% NA NA 30.12 1020.0
05:35 AM CDT 3.4 10.00 Clear -- 53.2 44.4 72% NA NA 30.12 1019.7
05:15 AM CDT 4.7 10.00 Clear -- 51.8 44.2 75% NA NA 30.12 1019.7
04:55 AM CDT 4.7 10.00 Clear -- NULL 44.1 % NA NA 30.10 1019.3
04:35 AM CDT 6.9 10.00 Clear -- 53.6 44.6 71% NA NA 30.10 1019.3
04:15 AM CDT SW 3.4 10.00 NULL -- 54.0 44.4 70% NA NA 30.10 1019.3
03:55 AM CDT 3.4 10.00 Clear -- 55.0 44.2 67% NA NA 30.10 1019.3
03:35 AM CDT 5.8 10.00 Clear -- NULL 44.4 % NA NA 30.10 1019.3
03:15 AM CDT 5.8 10.00 Clear -- NULL 44.4 % NA NA 30.10 1019.3
02:55 AM CDT 4.7 10.00 Clear -- NULL 44.4 % NA NA 30.10 1019.3
02:35 AM CDT 4.7 10.00 Clear -- 60.3 44.6 56% NA NA 30.10 1019.3
02:15 AM CDT 4.7 10.00 Clear -- 59.0 44.6 59% NA NA 30.10 1019.3
01:55 AM CDT 6.9 10.00 Clear -- 59.4 44.2 57% NA NA 30.10 1019.3
01:35 AM CDT SW 4.7 10.00 Clear -- 63.5 44.2 49% NA NA 30.10 1019.3
01:15 AM CDT 6.9 10.00 Clear -- 64.9 43.9 46% NA NA 30.10 1019.3
12:55 AM CDT 8.1 10.00 Clear -- 65.3 43.7 45% NA NA 30.10 1019.3
12:35 AM CDT 8.1 10.00 Clear -- 66.2 43.5 44% NA NA 30.10 1019.3
12:15 AM CDT SW 6.9 10.00 Clear -- 66.4 43.3 43% NA NA 30.09 1019.0
11:55 PM CDT 10.3 10.00 Clear -- NULL % NA NA 30.09 1019.0

Regional Weather Observation

MARION REGIONAL (KMWA)

Clear
66.2 F

CARBONDALE/MURPH (KMDH)

Clear
66.2 F

PERRYVILLE (KPCD)

Clear
63.1 F

CAPE GIRARDEAU (KCGI)

Clear
64.4 F

CAIRO (KCIR)

Clear
64.9 F

HARRISBURG (KHSB)

Clear
66.0 F
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