Local weather forecast

Weather in Brook, IN

Updated 2026-08-11 11:00 local time · ZIP codes 47922

Cloudy
Now80°F

Cloudy

High / Low93° / 71°
Rain chance79%
Wind17 mph
Weather alerts

Active alerts

3
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.

Flood Advisory issued August 11 at 6:04AM EDT until August 11 at 9:15AM EDT by NWS Northern Indiana

* WHAT...Urban and small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of northern Indiana, including the following counties, Fulton IN, Pulaski and Starke. * WHEN...Until 915 AM EDT /815 AM CDT/. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 603 AM EDT /503 AM CDT/, Doppler radar indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 2 inches of rain have fallen. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Rochester, Winamac, North Judson, Medaryville, Pulaski, Ripley, Kewanna, Fulton, Monterey, Vanmeter Park, Beardstown, Lawton, Star City, Lake Bruce, Ora, Bruce Lake Station, Bass Lake, Delong, Denham and Leiters Ford. - http://www.weather.gov/safety/flood

Safety instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Hourly

Next hours

NowCloudy80°13% rain
12 PMSunny91°8% rain
1 PMSunny93°10% rain
2 PMSunny88°7% rain
3 PMPatchy rain nearby71°88% rain
4 PMPatchy rain nearby78°32% rain
5 PMPatchy rain nearby81°28% rain
6 PMModerate rain at times78°55% rain
7 PMSunny82°13% rain
8 PMClear76°13% rain
9 PMClear74°20% rain
10 PMClear73°14% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
93° 71°Sunny
Rain 79%Gust 17 mph
Tomorrow2026-08-12
Sunny
78° 67°Sunny
Rain 85%Gust 14 mph
Thursday2026-08-13
Mist
83° 65°Mist
Rain 85%Gust 9 mph
Conditions

Weather details

Feels like87°F
Humidity89%
Pressure29.92 inHg
Visibility10 mi
Wind17 mph NW
Wind gusts25 mph
Precipitation0.00 in
UV index4
Daylight

Sunrise, sunset and moon

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

Weather insights for today

Take an umbrella

Rain chance reaches about 88% over the next 12 hours.

Choose light, breathable clothing

It feels like 87°F with winds near 17 mph.

Best window: 8 PM

76°F, 13% rain chance and 4 mph wind.

Use extra caution while driving

Visibility is around 10 mi; gusts may reach 25 mph.

Running conditions are less comfortable

Current temperature is 80°F, wind 17 mph, rain chance up to 88%.

Moderate UV protection recommended

UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.

Brook weather today

Cloudy and 80°F in Brook, IN. Today's high is 93°F with a 79% rain chance. Winds are around 17 mph with gusts near 25 mph. Relative humidity is 89%, pressure is 29.92 inHg, and visibility is about 10 miles.

Tonight and tomorrow in Brook

Sunrise is at 05:55 AM and sunset is at 07:53 PM. Tomorrow's forecast calls for Sunny with a high near 78°F and a low near 67°F. The maximum rain chance is 85%.

Nearby

Weather near Brook

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