Local weather forecast

Weather in Monon, IN

Updated 2026-08-11 12:00 local time · ZIP codes 47959

Partly cloudy
Now80°F

Partly cloudy

High / Low90° / 70°
Rain chance83%
Wind15 mph
Weather alerts

Active alerts

5
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.

Flood Watch issued August 11 at 1:38AM EDT until August 12 at 12:00AM EDT by NWS Indianapolis IN

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Much of central Indiana. * WHEN...From noon EDT today through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Multiple rounds of storms are likely to produce flooding this afternoon and evening with isolated rain amounts of 2 to 4 inches. - http://www.weather.gov/safety/flood

Safety instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Flood Watch issued August 11 at 4:16AM EDT until August 12 at 12:00AM EDT by NWS Indianapolis IN

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Much of central Indiana. * WHEN...From noon EDT today through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Multiple rounds of storms are likely to produce flooding this afternoon and evening with isolated rain amounts of 2 to 4 inches. - http://www.weather.gov/safety/flood

Safety instructions

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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

NowPartly cloudy80°16% rain
1 PMPartly Cloudy87°11% rain
2 PMSunny90°6% rain
3 PMHeavy rain70°89% rain
4 PMPatchy rain nearby73°36% rain
5 PMPatchy rain nearby77°49% rain
6 PMPatchy rain nearby77°48% rain
7 PMPatchy rain nearby76°29% rain
8 PMSunny74°14% rain
9 PMClear73°14% rain
10 PMClear73°19% rain
11 PMPatchy rain nearby72°33% rain
Forecast

3-day weather forecast

Today2026-08-11
Sunny
90° 70°Sunny
Rain 83%Gust 18 mph
Tomorrow2026-08-12
Fog
79° 66°Fog
Rain 88%Gust 13 mph
Thursday2026-08-13
Mist
83° 67°Mist
Rain 78%Gust 7 mph
Conditions

Weather details

Feels like87°F
Humidity79%
Pressure29.92 inHg
Visibility10 mi
Wind15 mph W
Wind gusts19 mph
Precipitation0.00 in
UV index5
Daylight

Sunrise, sunset and moon

Sunrise06:53 AM
Sunset08:51 PM
Moonrise04:53 AM
Moon phaseNew Moon
Practical guide

Weather insights for today

Take an umbrella

Rain chance reaches about 89% over the next 12 hours.

Choose light, breathable clothing

It feels like 87°F with winds near 15 mph.

Best window: 8 PM

74°F, 14% rain chance and 4 mph wind.

Use extra caution while driving

Visibility is around 10 mi; gusts may reach 32 mph.

Running conditions are less comfortable

Current temperature is 80°F, wind 15 mph, rain chance up to 89%.

Moderate UV protection recommended

UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.

Monon weather today

Partly cloudy and 80°F in Monon, IN. Today's high is 90°F with a 83% rain chance. Winds are around 15 mph with gusts near 19 mph. Relative humidity is 79%, pressure is 29.92 inHg, and visibility is about 10 miles.

Tonight and tomorrow in Monon

Sunrise is at 06:53 AM and sunset is at 08:51 PM. Tomorrow's forecast calls for Fog with a high near 79°F and a low near 66°F. The maximum rain chance is 88%.

Nearby

Weather near Monon

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