Weather Alert
Hanover Weather Warning NWS WEATHER ALERT FOR THE HANOVER, IL AREA - Issued: 428 PM CDT Fri Sep 4 2026 Hanover Weather Warning

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Hanover, IL Weather Forecast

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Hanover, IL Weather Forecast

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Hanover IL weather - Clear - 94°F
Clear
94°F
Updated 5:36 pm
Feels Like 101°F
Humidity 49%
Wind SW 9 mph
Barometer  29.87 in
Dew Point 73°F
Hanover IL weather - Clear - 35°C
Clear
35°C
Updated 5:36 pm
Feels Like 39°C
Humidity 49%
Wind SW 14 km/h
Barometer  101.1 kPa
Dew Point 23°C
WX Settings

Hanover Weather Forecast

TONIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT LABOR DAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY
Hanover, IL Weather - Tonight Chance Of T-Storm Hanover, IL Weather - Saturday Patchy Fog Hanover, IL Weather - Saturday Night Partly Cloudy Hanover, IL Weather - Sunday Mostly Sunny Hanover, IL Weather - Sunday Night Partly Cloudy Hanover, IL Weather - Labor Day Partly Cloudy Hanover, IL Weather - Monday Night Partly Cloudy Hanover, IL Weather - Tuesday Partly Sunny Hanover, IL Weather - Tuesday Night Showers Likely Hanover, IL Weather - Wednesday Partly Sunny Hanover, IL Weather - Wednesday Night Partly Cloudy Hanover, IL Weather - Thursday Partly Cloudy
Chance of T-Storm Patchy Fog Partly Cloudy Mostly Sunny Partly Cloudy Partly Cloudy Partly Cloudy Partly Sunny Showers Likely Partly Sunny Partly Cloudy Partly Cloudy
Lo: 71°FLo: 22°C Hi: 85°FHi: 29°C
 Lo: 65°FLo: 18°C Hi: 81°FHi: 27°C
 Lo: 60°FLo: 16°C Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C		 Hi: 81°FHi: 27°C
Lo: 61°FLo: 16°C		 Hi: 89°FHi: 32°C
 Lo: 70°FLo: 21°C Hi: 89°FHi: 32°C
 Hi: 80°FHi: 27°C
Lo: 61°FLo: 16°C		 Hi: 80°FHi: 27°C
Lo: 61°FLo: 16°C
POP: 20% POP: 60%
POP = Probability of Precipitation.
Weather Outlook Updated: 431 PM CDT Fri Sep 04 2026 Hanover, IL Weather - WeatherWorld.com

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Issued: 219 PM CDT Fri Sep 4 2026

Key Messages

  • Dangerous heat continues through Saturday, with peak heat indices of 100 to 110 degrees. Extreme heat warnings and heat advisories are in effect and have been extended.
  • There remains a low risk (<15%) for isolated showers/storms this afternoon and Saturday afternoon/evening. There is a Marginal (level 1 of 5) risk for an isolated severe storm north of Hwy 20.
  • Less humid Sunday/Monday, before heat and humidity returns mid-week. The overall pattern has a 55-70% probability of above normal temperatures through mid-September.

Aviation

/18Z TAFS THROUGH 18Z SATURDAY/... Issued at 1226 PM CDT Fri Sep 4 2026

VFR conditions to persist through the TAF cycle ...