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Hammond, IN 46320 Weather
Current conditions
Observed at Lansing Municipal Airport · 43 min ago
Forecast
10-day-
Tonight
Patchy fog after 3am. Mostly clear, with a low around 43. Southeast wind 0 to 5 mph.
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Wednesday
Patchy fog before 8am. Sunny. High near 70, with temperatures falling to around 68 in the afternoon. West southwest wind around 0 mph.
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Wednesday Night
Partly cloudy, with a low around 49. Northeast wind around 0 mph.
National Weather Service forecast updated 9 hrs ago.
Hourly
Hourly forecast- Now49°
- 1 AM48°
- 2 AM48°
- 3 AM46°
- 4 AM45°
- 5 AM44°
- 6 AM44°
- 7 AM43°
- 8 AM46°
- 9 AM51°
- 10 AM56°
- 11 AM61°
- 12 PM65°
- 1 PM68°
- 2 PM69°
- 3 PM70°
- 4 PM70°
- 5 PM68°
- 6 PM64°
- 7 PM60°
- 8 PM58°
- 9 PM57°
- 10 PM55°
- 11 PM54°
10-day forecast
Details- TonightOct 20Mostly Clear then Patchy Fog43°
- TodayOct 21Patchy Fog then Sunny49°70°
- ThuOct 22Mostly Sunny49°69°
- FriOct 23Sunny48°69°
- SatOct 24Mostly Sunny52°70°
- SunOct 25Partly Sunny53°72°
- MonOct 26Partly Sunny14%49°65°
- TueOct 27Slight Chance Rain Showers15%59°
- WedOct 28Mostly sunny40°51°
- ThuOct 29Partly cloudy36°53°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Hammond
More weather news-
Frost advisory issued for parts of Chicago area, with frigid temps possibleWarm temps set to return, too The Chicago area will have to deal with another night of chilly temperatures, and parts of the region will be under a frost advisory overnight. According to the National Weather Service…
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Frost possible in some areas before a chilly Saturday, then a warmup beginsThere's usually a big temperature change in the fall, and after the week began with a record high of 88 degrees at O'Hare International Airport, it appears the cooler weather has arrived. Conditions were much different…
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Chicago weather: Cloudy, rainy Friday ahead of warmer, sunnier weekendKaitlin Cody has your Chicago weather update! CHICAGO - A cloudy and damp day will give way to a much sunnier stretch across the Chicago area. Friday will bring cloudy skies and temperatures in the low 50s. Rain could…
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‘Coldest night of the season:' Frost advisory, freeze warning issued for parts of Chicago areaTemps drop below the freezing mark for parts of the area Saturday morning Here it comes, Chicago: Frost advisories and freeze warnings were issued for parts of the area, with temperatures dropping into the 30s overnight…
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Chicago weather: Rain today before sunny weekendMike Caplan has your Chicago weather update! CHICAGO - Two weeks into the month and there has yet to be a day with temperatures cooler than normal. Today will not be an exception. There is some chilly air on the way —…
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Storm system to bring ‘soaking rainfall,' cold temperatures and possible first frostA fall storm system with periods of "soaking rainfall," thunder and winds gusting as high as 40 mph will move into the Chicago area Thursday, the NBC 5 Storm Team said. The system will also bring much colder…
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Chances of rain, plunging temperatures expected to wrap up weekThe Chicago area has been enjoying a run of pleasant weather, but blustery conditions and much colder temperatures are on the way. In fact, overnight lows could plunge enough to allow for the formation of frost in some…
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Chicago weather: Rain gives way to sunny, fall-like weekendKaitlin Cody has your Chicago weather update! CHICAGO - Today will be mostly cloudy with temperatures in the low to mid 60s. There is some rain out there, but we are on a drying trend as we get into the afternoon…
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Farmer’s Almanac Drops Thanksgiving Forecast and If It’s Correct, Folks in Indiana & Kentucky Should Get Their Snow Shovels ReadyIn the past several years, Thanksgiving weather has been pretty warm. I don't recall the last time I saw snow on Thanksgiving in the Tri-State. We even spent Thanksgiving outside like a picnic a few years ago because it…
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Frost in Indiana could impact corn yields in isolated areasPurdue Extension’s corn specialist says the state’s first frost of the season could have an impact on corn yields. Dan Quinn tells Brownfield, “If the crop hasn’t reached maturity yet, then we have impacts from both…
Air quality
Acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.
Forecast
- WedModerate
Hammond-Gary, IN reporting area · 58 min ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyChicago Midway Ap, records since 1928. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Chicago 29 km
- Joliet 49 km
- Naperville 57 km
- Cicero 33 km
- Gary 14 km
- Evanston 50 km
- Bolingbrook 48 km
- Skokie 51 km
- Des Plaines 56 km
- Orland Park 29 km
- Tinley Park 23 km
- Oak Lawn 24 km
Forecasters' discussion
From the National Weather Service office in LOT, issued 45 min ago
Key Messages
- Areas of fog, including potentially dense fog, may develop again late tonight into early Wednesday morning in and near the Chicago metro.
- An extended period of dry and above to much above average temperatures is expected through the upcoming weekend.
Discussion
Issued at 226 PM CDT Tue Oct 20 2026
An Omega block that is in place over the CONUS is expected to persist through the end of the week. The associated ridge axis will only ever so slowly crawl eastward over the coming days, which will maintain broad surface high pressure across the region. As a result, dry conditions with an abundance of sunshine will continue through the remainder of the week with high temperatures remaining above to well above normal for this time of year. Daily lake breezes will cause the coolest (low- mid 60s) high temperatures to be observed near Lake Michigan each day.
Much like last night/early this morning, optimal radiational cooling conditions will likely allow for fog to develop late tonight into tomorrow morning and possibly again in the coming nights/mornings. This will particularly be the case in and near the Chicago metro within the footprint of the marine-influenced air brought inland during the daytime, where the fog could become dense once again.
There is pretty good ensemble agreement at this point in time that the blocking pattern will break down by early next week. This will allow for a cold front to drop through the region sometime on Monday or Tuesday, resulting in a return to cooler and more seasonable temperatures for the middle of next week. The frontal passage may bring a chance for precipitation to the area early-mid next week, but support for this across the latest suite of ensemble guidance is not ubiquitous, and there are considerable temporal differences with when this next potential opportunity for precipitation may arrive as well.
Ogorek
Aviation
Issued at 1213 AM CDT Wed Oct 21 2026
Key Aviation Messages for the current TAF period:
- Fog, locally dense, is possible prior to sunrise, mainly at Chicago Terminals north of a KARR to KMDW line.
Winds are expected to be light and calm through the night. There is another chance for fog to develop this morning. It has already started to develop around and north of KENW where obs are already reporting 1/4SM. While fog development is not a certainty, if/when it does occur, it can be locally dense with vis potentially near zero. Similar to yesterday, vis improvement should be fairly quick after sunrise.
Light southwest winds are expected through much of the day before becoming more southeasterly toward sunset. Once the fog clears, VFR conditions are expected through the end of the TAF. There is another chance for patchy fog tomorrow morning, but the chances are not as great as recently.
DK
Lot Watches
IL...None. IN...None. LM...None.
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Conservative index and reflects what the press published. Terms of use.