Mound City, IL Weather Forecast & Alerts

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

0 Active Alerts for Mound City

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

Current Conditions — Mound City, IL

CAIRO (KCIR)

Clear

81.7 F
Humidity:37%
Wind Speed:E 10.3 mph
Barometer:29.86 in
Dewpoint:52.9 F
Visibility:10.00 mi
Precip:--
Heat Index:81.0 F
Wind Chill:NA
Apr 26 2026, 06:15 PM CDT
Severe Weather Alerts
Severe Weather
 		Daily Weather Forecast
Daily Forecast
 		Observation Alert Monitoring
Observations
 		Storm Report Monitoring
Storm Reports

5-Day Forecast — Mound City, IL

Sunday

High 84 °F
Mostly Sunny
Sunday
Night
Low 64 °F
Isolated T-storm
Monday

High 84 °F
Chance of T-storms
Monday
Night
Low 64 °F
T-storms
Tuesday

High 80 °F
Scattered T-storms Likely
Tuesday
Night
Low 59 °F
T-storms
Wednesday

High 71 °F
Slight Chance of Showers
Wednesday
Night
Low 48 °F
Mostly Clear
Thursday

High 71 °F
Partly Sunny

Detailed Forecast — Mound City, IL

Sunday
Mostly Sunny. High near 84°F. Wind 6 to 7 mph, with gusts as high as 9 mph.
Sunday Night
Isolated T-storm. Low around 64°F. Wind 5 to 8 mph, with gusts as high as 16 mph.
Monday
Chance of Thunderstorms. High near 84°F. Wind 10 to 22 mph, with gusts as high as 36 mph.
Monday Night
Thunderstorms. Low around 64°F. Wind 5 to 17 mph, with gusts as high as 30 mph.
Tuesday
Scattered Thunderstorms Likely. High near 80°F. Wind around 6 mph, with gusts as high as 12 mph.
Tuesday Night
Thunderstorms. Low around 59°F. Wind 5 to 6 mph, with gusts as high as 13 mph.
Wednesday
Slight Chance of Showers. High near 71°F. Wind 7 to 12 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly Clear. Low around 48°F. Wind around 2 mph, with gusts as high as 8 mph.
Thursday
Partly Sunny. High near 71°F. Wind 2 to 7 mph, with gusts as high as 13 mph.
Thursday Night
Partly Cloudy. Low around 48°F. Wind around 1 mph, with gusts as high as 3 mph.
Friday
Slight Chance of Rain Showers. High near 69°F. Wind 5 to 8 mph, with gusts as high as 14 mph.
Friday Night
Partly Cloudy. Low around 46°F. Wind around 2 mph, with gusts as high as 5 mph.
Saturday
Partly Sunny. High near 68°F. Wind 3 to 8 mph, with gusts as high as 15 mph.
Saturday Night
Mostly Clear. Low around 46°F. Wind around 1 mph, with gusts as high as 3 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 26, 2026

Observation History — Mound City, 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)
06:15 PM CDT E 10.3 10.00 Clear -- 81.7 52.9 37% NA 81.0 29.86 1011.2
05:55 PM CDT 11.4 10.00 Clear -- 82.4 53.2 37% NA 81.3 29.87 1011.5
05:35 PM CDT 8.1 10.00 Clear -- 82.6 52.5 35% NA 81.5 29.87 1011.5
05:15 PM CDT 10.3 10.00 Clear -- 82.6 52.9 36% NA 81.5 29.87 1011.5
04:55 PM CDT E 9.2 10.00 Clear -- 83.1 53.6 36% NA 82.0 29.87 1011.5
04:35 PM CDT 8.1 10.00 Clear -- 82.9 53.4 36% NA 81.9 29.87 1011.5
04:15 PM CDT SE 6.9 10.00 Clear -- 81.9 52.5 36% NA 81.0 29.87 1011.5
03:55 PM CDT SE 10.3 10.00 Clear -- 82.8 53.1 36% NA 81.7 29.87 1011.5
03:35 PM CDT SE 6.9 10.00 Clear -- 83.3 52.9 35% NA 82.0 29.88 1011.9
03:15 PM CDT 3.4 10.00 Clear -- 83.7 52.7 34% NA 82.2 29.88 1011.9
02:55 PM CDT 4.7 10.00 Clear -- 82.9 53.1 36% NA 81.7 29.89 1012.2
02:35 PM CDT 8.1 10.00 NULL -- 81.7 53.4 38% NA 81.0 29.89 1012.2
02:15 PM CDT 5.8 10.00 Clear -- 81.0 52.3 37% NA 80.4 29.90 1012.5
01:55 PM CDT 8.1 10.00 Clear -- 82.0 53.4 37% NA 81.1 29.91 1012.9
01:35 PM CDT SE 8.1 10.00 Clear -- 81.1 54.3 40% NA 80.8 29.91 1012.9
01:15 PM CDT 8.1 10.00 Clear -- 81.1 54.1 39% NA 80.8 29.92 1013.2
12:55 PM CDT 8.1 10.00 Clear -- 81.5 53.8 38% NA 81.0 29.94 1013.6
12:35 PM CDT 4.7 10.00 Clear -- 79.7 53.8 41% NA 79.3 29.94 1013.9
12:15 PM CDT SE 6.9 10.00 Clear -- 79.9 53.8 41% NA 79.5 29.94 1013.9
11:55 AM CDT 5.8 10.00 Clear -- 79.7 54.3 42% NA 79.3 29.94 1013.9
11:35 AM CDT E 9.2 10.00 Clear -- 79.2 55.0 43% NA 78.8 29.95 1014.2
11:15 AM CDT 10.3 2.50 Clear -- 78.6 55.8 45% NA 78.3 29.95 1014.2
10:55 AM CDT E 6.9 1.50 Sky Obscured -- 77.0 57.6 51% NA 76.8 29.96 1014.6
10:35 AM CDT E 8.1 0.75 Sky Obscured -- 75.2 57.6 54% NA 75.0 29.96 1014.6

Regional Weather Observation

CAIRO (KCIR)

Clear
81.7 F

CAPE GIRARDEAU (KCGI)

Clear
78.8 F

CARBONDALE/MURPH (KMDH)

Clear
77.0 F

MARION REGIONAL (KMWA)

Partly Cloudy
77.0 F

PERRYVILLE (KPCD)

Clear
78.8 F

PADUCAH (KPAH)

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