Skip Navigation Linksweather.gov 
NOAA logo - Click to go to the NOAA homepageNational Weather Service Forecast Office NWS logo - Click to go to the NWS homepage
Chicago, IL
 
 
 Point Forecast: Merrillville IN
 41.47N 87.33W
Last Update: 4:17 pm CDT Aug 21, 2018
Tabular Forecast
[hide menu]  |  Font Size: A A A   Get as XML
Weather ElementsFire WeatherProbabilistic Forecasts (Experimental)
Description | Survey
Temperature (°F)
Dewpoint (°F)
Heat Index (°F)

Surface Wind  
Sky Cover (%)
Precipitation Potential (%)
Relative Humidity (%)

Rain
Thunder
Fog
Mixing Height  
Haines Index
Trans. Wind  
20ft Wind  
Vent Rate (x1000 mph-ft)
Quantitative Precipitation     info
    0.100.250.501.00
Snowfall     info
    0.1in1in3in6in12in

48-Hour Period Starting:       Forward 2 Days  

Date08/2108/22
Hour (CDT)161718192021222300010203040506070809101112131415
Temperature (°F)767573727171706967666564646261616468717273737475
Dewpoint (°F)676666666564646363626160595857575657575655555454
Heat Index (°F)767575
Surface Wind (mph)18171411109999101011111111111314141514141313
Wind DirNNNNNNNWNNWNNWNNNNNNNNNNNNNNNN
Gust2623202222222120
Sky Cover (%)646771606672787674726660544535262524242220181513
Precipitation Potential (%)1918171393128323333343123146222222222
Relative Humidity (%)747479818179818187878787848787877568615753535048
RainSChcSChcSChc----ChcChcChcChcChcChcChcSChc----------------------
Thunder----------SChcSChcSChcSChcSChcSChcSChc------------------------

Date08/23
Hour (CDT)161718192021222300010203040506070809101112131415
Temperature (°F)757473716866646261605958575656586267727576777878
Dewpoint (°F)545455565655555555555454535353545557575857575657
Heat Index (°F)757576777878
Surface Wind (mph)1097555555555555556677888
Wind DirNNNWNNWNNWNWWNWWWWWWWWWWSWWSWWSWWSWWSWWSWSWSWSWSSW
Gust15
Sky Cover (%)101215171512109766667887656781117
Precipitation Potential (%)222111111000000111111111
Relative Humidity (%)485053596568737881848386869090867870595552504748
Rain------------------------------------------------
Thunder------------------------------------------------

Radar and Satellite (Click for larger image)
Link to Local Radar Data Link to Satellite Data
Additional Forecasts and Information
International System of UnitsForecast Discussion
7-Day ForecastHourly Weather Graph
Graphical Hazardous Weather OutlookHazardous Weather
Regional Weather ConditionsPast Weather Information

Webmaster
NOAA's National Weather Service
Chicago, IL
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities