Morris, IL 60450 Weather

Grundy County9:24 PM CDT41.37°N, 88.42°W

Current conditions

Clear
54°
Clear
Feels like 54°
High 73° Wednesday·Low 41° tonight
WindENE 7 mph
Humidity71%
Dew point45°
Pressure30.32 inHg
Visibility10.0 mi
Cloud cover1%
UV index0 Low
Sunrise7:12 AM
Sunset6:07 PM

Observed at Lewis University Airport · 1 hr ago

Forecast

10-day

  • Tonight

    Mostly clear. Low around 41, with temperatures rising to around 43 overnight. East southeast wind 0 to 5 mph.

  • Wednesday

    Sunny. High near 73, with temperatures falling to around 71 in the afternoon. West southwest wind around 0 mph.

  • Wednesday Night

    Mostly clear. Low around 46, with temperatures rising to around 48 overnight. North northeast wind around 0 mph.

National Weather Service forecast updated 6 hrs ago.

Hourly

Hourly forecast
  1. Now Clear 52°
  2. 10 PM Clear 50°
  3. 11 PM Clear 48°
  4. Wed12 AM Mostly Clear 47°
  5. 1 AM Mostly Clear 46°
  6. 2 AM Mostly Clear 45°
  7. 3 AM Mostly Clear 44°
  8. 4 AM Mostly Clear 43°
  9. 5 AM Mostly Clear 43°
  10. 6 AM Sunny 42°
  11. 7 AM Sunny 41°
  12. 8 AM Sunny 43°
  13. 9 AM Sunny 50°
  14. 10 AM Sunny 56°
  15. 11 AM Sunny 62°
  16. 12 PM Sunny 67°
  17. 1 PM Sunny 70°
  18. 2 PM Sunny 72°
  19. 3 PM Sunny 73°
  20. 4 PM Sunny 73°
  21. 5 PM Sunny 71°
  22. 6 PM Mostly Clear 67°
  23. 7 PM Mostly Clear 62°
  24. 8 PM Mostly Clear 59°

10-day forecast

Details
  1. TonightOct 20 Mostly Clear Mostly Clear41°
  2. WedOct 21 Sunny Sunny46°73°
  3. ThuOct 22 Sunny Sunny47°74°
  4. FriOct 23 Sunny Sunny47°72°
  5. SatOct 24 Mostly Sunny Mostly Sunny51°73°
  6. SunOct 25 Mostly Sunny Mostly Sunny50°75°
  7. MonOct 26 Partly Sunny Partly Sunny13%46°68°
  8. TueOct 27 Mostly Sunny Mostly Sunny11%62°
  9. WedOct 28 Sunny Sunny37°52°
  10. ThuOct 29 Cloudy Cloudy34°54°

Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.

Radar

Full map
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Weather news near Morris

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Air quality

47
Good
Fine particles (PM2.5)

Air quality is satisfactory, and air pollution poses little or no risk.

Forecast

  • TueModerate
  • WedModerate
  • ThuModerate

Joliet and Will County, IL reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.

Sun & moon

Sunrise 7:12 AM
Sunset 6:07 PM
Daylight 10 h 54 min (−2 min 37 s tomorrow)
Waxing Gibbous · 73% lit
Moonrise 3:25 PM Moonset 1:07 AM
Full moon Oct 26 New moon Nov 9

Almanac

Monthly
Record high85° (1953)
Record low20° (1930)
Wettest2.01 in (1916)
Month to date0.67 in (normal 0.00 in)

Joliet, records since 1893. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).

Nearby

Forecasters' discussion

From the National Weather Service office in LOT, issued 3 hrs 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 624 PM CDT Tue Oct 20 2026

Key messages for the 00Z TAF period:

* Dense fog possible late tonight into early Wednesday, primarily at Chicago sites

Light easterlies this evening will go variable overnight and settle at SW by Wednesday morning. A lake breeze will flip winds to E in Chicago during the late afternoon while remaining light.

Fog is anticipated to develop late tonight west of the lakeshore, similar to this morning. A period of dense fog with LIFR visibilities will be possible, especially at the Chicago sites. Fog is not expected at RFD and may leave DPA and GYY largely alone. The fog may persist for a couple of hours past dawn before fully burning off. More SKC is then expected after early morning.

Doom

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 4Search index and reflects what the press published. Terms of use.