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Day 1 Outlook • April 18, 2026
Day 2 Outlook • April 19, 2026
Day 3 Outlook • April 20, 2026
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National Weather Radar

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dBZ 5
75

Hazardous Weather Conditions

Current Conditions: CLARKSDALE, ILLINOIS

SPRINGFIELD (KSPI)

Heavy Thunderstorms and Heavy Rain and Fog/Mist

61.0 F
Humidity:93%
Wind Speed: 12.8 G 25.3 mph
Barometer:29.81 in
Dewpoint:59.0 F
Visibility:3.00 mi
Precip:00.47 in
Heat Index:NA
Wind Chill:NA
Apr 17 2026, 09:16 PM CDT
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5 Day Forecast for CLARKSDALE, ILLINOIS (62556)

Friday

High 84 °F
Isolated T-storm
Friday
Night
Low 46 °F
T-storms
Saturday

High 57 °F
Chance of Rain Showers
Saturday
Night
Low 37 °F
Mostly Clear
Sunday

High 64 °F
Mostly Sunny
Sunday
Night
Low 37 °F
Mostly Clear
Monday

High 64 °F
Sunny
Monday
Night
Low 50 °F
Mostly Clear
Tuesday

High 77 °F
Partly Sunny

Detailed Forecast for CLARKSDALE, ILLINOIS (62556)

Friday
Isolated T-storm. High near 84°F. Wind around 18 mph, with gusts as high as 28 mph.
Friday Night
Thunderstorms. Low around 46°F. Wind 15 to 18 mph, with gusts as high as 28 mph.
Saturday
Chance of Rain Showers. High near 57°F. Wind 14 to 20 mph, with gusts as high as 26 mph.
Saturday Night
Mostly Clear. Low around 37°F. Wind 6 to 13 mph, with gusts as high as 18 mph.
Sunday
Mostly Sunny. High near 64°F. Wind 8 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Mostly Clear. Low around 37°F. Wind 6 to 7 mph, with gusts as high as 12 mph.
Monday
Sunny. High near 64°F. Wind 7 to 9 mph, with gusts as high as 15 mph.
Monday Night
Mostly Clear. Low around 50°F. Wind around 12 mph, with gusts as high as 18 mph.
Tuesday
Partly Sunny. High near 77°F. Wind 12 to 18 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly Clear. Low around 55°F. Wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly Sunny. High near 82°F. Wind 8 to 10 mph, with gusts as high as 16 mph.
Wednesday Night
Mostly Clear. Low around 59°F. Wind around 9 mph, with gusts as high as 15 mph.
Thursday
Isolated T-storm. High near 82°F. Wind 14 to 16 mph, with gusts as high as 23 mph.
Thursday Night
Chance of Thunderstorms. Low around 62°F. Wind around 14 mph, with gusts as high as 21 mph.
IL Radar
Current Radar • IL
Day 1 Outlook • April 18, 2026

Observation History for CLARKSDALE, ILLINOIS

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)
09:16 PM CDT 12.8 G 25.3 3.00 Heavy Thunderstorms and Heavy Rain and Fog/Mist 00.47 61.0 59.0 93% NA NA 29.81 1009.2
09:08 PM CDT 2.00 NULL -- NULL 59.0 % NA NA M
09:00 PM CDT G 41.4 1.25 Heavy Thunderstorms and Heavy Rain and Fog/Mist 00.23 NULL 59.0 % NA NA M
08:54 PM CDT G 48.3 3.00 Thunderstorms and Rain 00.03 NULL 57.9 % NA NA M
08:40 PM CDT 16.1 G 24.2 10.00 Clear -- 77.0 62.6 61% NA 77.4 29.73 1006.8
08:35 PM CDT S 18.4 10.00 Clear -- 77.0 62.6 61% NA 77.4 29.71 1006.1
08:15 PM CDT G 28.8 10.00 Clear -- 78.8 62.6 58% NA 79.2 29.68 1005.1
08:05 PM CDT G 33.4 10.00 Clear -- 77.0 62.6 61% NA 77.4 29.67 1004.7
08:00 PM CDT G 38.0 10.00 Clear -- 77.0 62.6 61% NA 77.4 29.67 1004.7
07:35 PM CDT G 33.4 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.64 1003.7
07:25 PM CDT G 33.4 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.64 1003.7
07:10 PM CDT G 29.9 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.64 1003.7
07:00 PM CDT G 31.1 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.64 1003.7
06:50 PM CDT G 36.8 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.64 1003.7
06:35 PM CDT G 28.8 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.65 1004.1
06:20 PM CDT G 28.8 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.65 1004.1
06:10 PM CDT G 28.8 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.64 1003.7
06:05 PM CDT G 26.5 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.64 1003.7
05:45 PM CDT G 32.2 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.63 1003.4
05:35 PM CDT G 31.1 10.00 Clear -- 78.8 66.2 65% NA 79.5 29.63 1003.4
05:15 PM CDT G 31.1 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.65 1004.1
05:10 PM CDT G 29.9 10.00 Clear -- 78.8 64.4 61% NA 79.3 29.66 1004.4
04:50 PM CDT G 38.0 10.00 Clear -- 80.6 62.6 54% NA 81.9 29.66 1004.4
04:20 PM CDT G 33.4 10.00 Mostly Clear -- 82.4 64.4 55% NA 84.0 29.68 1005.1

Regional Weather Observation

SPRINGFIELD (KSPI)

Heavy Thunderstorms and Heavy Rain and Fog/Mist
61.0 F

TAYLORVILLE (KTAZ)

Clear
75.2 F

LITCHFIELD MUNI (K3LF)

Clear
72.5 F

JACKSONVILLE (KIJX)

Cloudy
59.9 F

LINCOLN (KAAA)

Mostly Cloudy
NULL F

DECATUR (KDEC)

Clear
75.2 F
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