Cissna Park, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Cissna Park, IL in one place.
Showers and thunderstorms. Mostly cloudy, with a high near 73. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Local Weather Overview
This forecast page for Cissna Park, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 31, 2026 9:23 PM CDT.
The active forecast window currently covers Aug 1 to Aug 7, 2026 for Cissna Park, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 1 to Aug 7, 2026
- Latest sync
- Jul 31, 2026 9:23 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Cissna Park
Friday looks like the warmest upcoming period in Cissna Park at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Saturday Night at about 10 to 15 mph N.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 31, 2026 9:23 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms. Cloudy, with a low around 66. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
A chance of rain showers. Mostly cloudy, with a high near 74. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
A chance of rain showers before 7pm. Partly cloudy, with a low around 61. North wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 77. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 61.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 80.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 63.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65.
A slight chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 82.
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 84.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 1
|
Showers And Thunderstorms
|
73°F |
5 to 10 mph
ESE
|
|
Saturday Night
Aug 1
|
Showers And Thunderstorms
|
66°F |
10 to 15 mph
N
|
|
Sunday
Aug 2
|
Chance Rain Showers
|
74°F |
15 mph
N
|
|
Sunday Night
Aug 2
|
Chance Rain Showers then Partly Cloudy
|
61°F |
5 to 15 mph
N
|
|
Monday
Aug 3
|
Mostly Sunny then Slight Chance Rain Showers
|
77°F |
5 to 10 mph
N
|
|
Monday Night
Aug 3
|
Slight Chance Rain Showers then Mostly Clear
|
61°F |
0 to 5 mph
NE
|
|
Tuesday
Aug 4
|
Mostly Sunny then Slight Chance Rain Showers
|
80°F |
0 to 5 mph
NE
|
|
Tuesday Night
Aug 4
|
Slight Chance Rain Showers then Mostly Clear
|
63°F |
0 mph
|
|
Wednesday
Aug 5
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
82°F |
0 to 5 mph
SW
|
|
Wednesday Night
Aug 5
|
Slight Chance Showers And Thunderstorms
|
65°F |
0 to 5 mph
SSW
|
|
Thursday
Aug 6
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
82°F |
0 to 5 mph
SW
|
|
Thursday Night
Aug 6
|
Slight Chance Showers And Thunderstorms
|
66°F |
0 to 5 mph
SE
|
|
Friday
Aug 7
|
Chance Showers And Thunderstorms
|
84°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cissna Park.