Weather Alert
Hepp Weather Warning NWS WEATHER ALERT FOR THE HEPP, IL AREA - Issued: 155 AM CDT Fri Sep 4 2026 Hepp Weather Warning

World > North America > United States > Illinois > Hepp  

Hepp, IL Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Hepp, IL Weather Forecast

Current Conditions

Settings
Hepp IL weather - Clear - 79°F
Clear
79°F
Updated 4:01 am
Feels Like 82°F
Humidity 77%
Wind SSW 5 mph
Barometer  29.98 in
Dew Point 72°F
Hepp IL weather - Clear - 26°C
Clear
26°C
Updated 4:01 am
Feels Like 28°C
Humidity 77%
Wind SSW 8 km/h
Barometer  101.5 kPa
Dew Point 22°C
WX Settings

Hepp Weather Forecast

OVERNIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY TUESDAY TUESDAY NIGHT WEDNESDAY THURSDAY
Hepp, IL Weather - Overnight Clear Hepp, IL Weather - Friday Chance Of Showers Hepp, IL Weather - Friday Night Mostly Clear Hepp, IL Weather - Saturday Sunny Hepp, IL Weather - Saturday Night Mostly Clear Hepp, IL Weather - Sunday Mostly Clear Hepp, IL Weather - Monday Mostly Clear Hepp, IL Weather - Tuesday Mostly Clear Hepp, IL Weather - Tuesday Night Mostly Clear Hepp, IL Weather - Wednesday Mostly Clear Hepp, IL Weather - Thursday Mostly Clear
Clear Chance of Showers Mostly Clear Sunny Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear Mostly Clear
Lo: 79°FLo: 26°C Hi: 99°FHi: 37°C
 Lo: 75°FLo: 24°C Hi: 100°FHi: 38°C
 Lo: 71°FLo: 22°C Hi: 95°FHi: 35°C
Lo: 69°FLo: 21°C		 Hi: 95°FHi: 35°C
Lo: 69°FLo: 21°C		 Hi: 95°FHi: 35°C
Lo: 69°FLo: 21°C		 Hi: 99°FHi: 37°C
Lo: 75°FLo: 24°C		 Hi: 99°FHi: 37°C
Lo: 75°FLo: 24°C		 Hi: 99°FHi: 37°C
Lo: 75°FLo: 24°C
POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 127 AM CDT Fri Sep 04 2026 Hepp, IL Weather - WeatherWorld.com

Trending Headlines

Hepp Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Hepp Quick Facts

National Two Day Weather Forecast


E-mail the Hepp Weather Forecast

Voice your opinion or tell us about page issues...

Hepp Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 255 AM CDT Fri Sep 4 2026

Key Messages

  • An Extreme Heat Warning remains in effect through Saturday for a prolonged dangerous heatwave with daily heat index values ranging from 103-110 degrees. There is a 30-90% chance of triple digit heat index values continuing into Sunday over southeast Missouri, the Purchase Area of Kentucky, and adjacent portions of southern Illinois.
  • Near record high temperatures in the upper 90s to around 100 degrees and near record warm overnight low temperatures in the mid to upper 70s are expected...