Local weather forecast

Weather in Calumet City, IL

Updated 2026-08-11 11:15 local time · ZIP codes 60409

Mist
Now79°F

Mist

High / Low87° / 74°
Rain chance82%
Wind6 mph
Weather alerts

Active alerts

2
Flood Advisory issued August 11 at 6:02AM CDT until August 11 at 8:00AM CDT by NWS Chicago IL

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Northern Jasper County in northwestern Indiana... Lake IN County in northwestern Indiana... Northeastern Newton County in northwestern Indiana... Southern Porter County in northwestern Indiana... * WHEN...Until 800 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - At 600 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Flooding impacts will continue. This mornings thunderstorms will exit the advisory area by 7 AM, but additional rain is expected later today which may redevelop flooding issues. - Some locations that will experience flooding include... Merrillville, Schererville, Hobart, Crown Point, Highland, Munster, Cedar Lake, Lowell, DeMotte, Hebron, Wheatfield, Griffith, Dyer, St. John, Lynwood, Lakes of the Four Seasons, Winfield, Roselawn and Kouts. - http://www.weather.gov/safety/flood

Safety instructions

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flood Advisory issued August 11 at 4:56AM CDT until August 11 at 8:00AM CDT by NWS Chicago IL

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northern Jasper County in northwestern Indiana... Lake IN County in northwestern Indiana... Northeastern Newton County in northwestern Indiana... Southern Porter County in northwestern Indiana... * WHEN...Until 800 AM CDT. * IMPACTS...Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - At 456 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 2 inches of rain have fallen. - Some locations that will experience flooding include... Merrillville, Schererville, Hobart, Crown Point, Highland, Munster, Cedar Lake, Lowell, DeMotte, Hebron, Wheatfield, Griffith, Dyer, St. John, Lynwood, Lakes of the Four Seasons, Winfield, Roselawn and Kouts. - http://www.weather.gov/safety/flood

Safety instructions

A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Hourly

Next hours

NowMist79°11% rain
12 PMPatchy light rain80°64% rain
1 PMHeavy rain at times75°85% rain
2 PMModerate rain at times76°62% rain
3 PMMist76°33% rain
4 PMPartly Cloudy76°22% rain
5 PMSunny81°14% rain
6 PMSunny81°12% rain
7 PMSunny80°12% rain
8 PMClear77°14% rain
9 PMMist76°20% rain
10 PMClear76°19% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
87° 74°Sunny
Rain 82%Gust 10 mph
Tomorrow2026-08-12
Mist
80° 68°Mist
Rain 83%Gust 7 mph
Thursday2026-08-13
Sunny
81° 67°Sunny
Rain 36%Gust 7 mph
Conditions

Weather details

Feels like84°F
Humidity100%
Pressure29.89 inHg
Visibility2 mi
Wind6 mph SSW
Wind gusts10 mph
Precipitation0.00 in
UV index1
Daylight

Sunrise, sunset and moon

Sunrise05:54 AM
Sunset07:55 PM
Moonrise03:53 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 85% over the next 12 hours.

Light layers should work

It feels like 84°F with winds near 6 mph.

Best window: 8 PM

77°F, 14% rain chance and 5 mph wind.

Use extra caution while driving

Visibility is around 2 mi; gusts may reach 17 mph.

Running conditions are less comfortable

Current temperature is 79°F, wind 6 mph, rain chance up to 85%.

Low UV protection needs

UV index is 1.

Calumet City weather today

Mist and 79°F in Calumet City, IL. Today's high is 87°F with a 82% rain chance. Winds are around 6 mph with gusts near 10 mph. Relative humidity is 100%, pressure is 29.89 inHg, and visibility is about 2 miles.

Tonight and tomorrow in Calumet City

Sunrise is at 05:54 AM and sunset is at 07:55 PM. Tomorrow's forecast calls for Mist with a high near 80°F and a low near 68°F. The maximum rain chance is 83%.

Nearby

Weather near Calumet City

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