HERRIN, IL 62948 Weather Forecast & Current Conditions

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MARION, IL
Current Weather

8:47 AM CDT JUN 29, 2026
Clear
82°F
Feels Like: 90°F
Dewpoint: 77°F
Rel. Hum.: 85%
Visibility: 10 miles
Wind: S at 6 mph
Pressure: 30.05 inches
Last 72 hours

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HERRIN, IL 62948
Weather Forecast

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TODAY
Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Highest heat index readings heat index readings up to 106 this afternoon.
TONIGHT
Mostly clear. Lows in the mid 70s. South winds 5 to 10 mph.
TUESDAY
Sunny, hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Highest heat index readings heat index readings up to 107 in the afternoon.
TUESDAY NIGHT
Clear. Lows in the mid 70s. South winds 5 to 10 mph.
WEDNESDAY
Sunny, hot with highs in the upper 90s. South winds around 5 mph. Highest heat index readings heat index readings up to 107 in the afternoon.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
Mostly clear. Hot. Lows in the upper 70s. Highs in the upper 90s.
FRIDAY AND FRIDAY NIGHT
Partly cloudy. Hot. Highs in the mid 90s. Lows in the upper 70s.
INDEPENDENCE DAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Chance of rain 30 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.
SUNDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent.

Visible Weather Satellite
HERRIN, IL 62948
Infrared Weather Satellite
HERRIN, IL 62948
NEXRAD Weather Radar
HERRIN, IL 62948

MARION, IL 3 hourly weather forecast

weather forecast created  8:00 PM EDT  6/28/2026
Monday
29 JUN 2026
HERRIN, IL 62948 weather forecast Day 1, 0 hours 1 AM 78° 80° Partly Cloudy 0%

0% Thunder
( 5% severe)
S   6 88% 74°
Low 76° HERRIN, IL 62948 weather forecast Day 1, 3 hours 4 AM 77° 78° Clear S   6 87% 73°
High 94° HERRIN, IL 62948 weather forecast Day 1, 6 hours 7 AM 77° 78° Partly Cloudy 0%

0% Thunder
( 6% severe)
S   6 90% 74°

Partly Cloudy



HERRIN, IL 62948 weather forecast Day 1, 9 hours 10 AM 86° 97° Partly Cloudy SSW   9 75% 77°
HERRIN, IL 62948 weather forecast Day 1, 12 hours 1 PM 92° 106° Partly Cloudy 0%

0% Thunder
( 12% severe)
SSW   12 62% 77°
HERRIN, IL 62948 weather forecast Day 1, 15 hours 4 PM 94° 109° Partly Cloudy S   14 58% 77°
HERRIN, IL 62948 weather forecast Day 1, 18 hours 7 PM 90° 103° Clear 0%

0% Thunder
( 9% severe)
S   10 66% 77°
HERRIN, IL 62948 weather forecast Day 1, 21 hours 10 PM 82° 88° Clear S   7 77% 74°
Tuesday
30 JUN 2026
HERRIN, IL 62948 weather forecast Day 2, 0 hours 1 AM 80° 84° Clear 0%

0% Thunder
( 6% severe)
SSW   6 79% 73°
Low 75° HERRIN, IL 62948 weather forecast Day 2, 3 hours 4 AM 78° 80° Clear SSW   5 82% 72°
High 96° HERRIN, IL 62948 weather forecast Day 2, 6 hours 7 AM 78° 80° Clear 0%

0% Thunder
( 7% severe)
SSW   5 85% 73°

Clear



HERRIN, IL 62948 weather forecast Day 2, 9 hours 10 AM 87° 98° Clear SW   7 70% 76°
HERRIN, IL 62948 weather forecast Day 2, 12 hours 1 PM 94° 106° Clear 0%

0% Thunder
( 12% severe)
SSW   8 54% 75°
HERRIN, IL 62948 weather forecast Day 2, 15 hours 4 PM 96° 107° Clear SSW   10 49% 74°
HERRIN, IL 62948 weather forecast Day 2, 18 hours 7 PM 91° 105° Clear 0%

0% Thunder
( 9% severe)
S   8 64% 77°
HERRIN, IL 62948 weather forecast Day 2, 21 hours 10 PM 82° 87° Clear S   5 74% 73°

MARION, IL extended weather forecast

Wednesday
1 JUL 2026
Thursday
2 JUL 2026
Friday
3 JUL 2026
Saturday
4 JUL 2026
Sunday
5 JUL 2026
Low 74° Low 72° Low 72° Low 72° Low 73°
High 96° High 94° High 92° High 91° High 91°
HERRIN, IL 62948 weather forecast Day 3 HERRIN, IL 62948 weather forecast Day 4 HERRIN, IL 62948 weather forecast Day 5 HERRIN, IL 62948 weather forecast Day 6 HERRIN, IL 62948 weather forecast Day 7
Partly Cloudy
18% Rain
Partly Cloudy
35% Rain
Partly Cloudy
41% Rain
Partly Cloudy
29% Rain
Partly Cloudy
30% Rain
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