Portland, Illinois Weather
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Weather Forecast for Portland, Illinois : Whiteside County
Issued: 3:33 pm CDT Apr 26, 2024 Latitude: 41.6625308 Longitude: -89.9801153 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
40% chance of thunderstorms on This Afternoon 70% chance of thunderstorms on Tonight 20% chance of thunderstorms on Saturday 80% chance of thunderstorms on Sunday 50% chance of on Monday Sunny on Tuesday 40% chance of thunderstorms on Wednesday 40% chance of thunderstorms on Thursday Mostly Sunny on Friday
High: 56°F Low: °F High: 79°F High: 75°F High: 70°F High: 77°F High: 75°F High: 72°F High: 65°F
Low: 63°F Low: 61°F Low: 50°F Low: 57°F Low: 55°F Low: 48°F  
Thunderstorms Thunderstorms Thunderstorms Thunderstorms Partly Sunny Sunny Thunderstorms Thunderstorms Mostly Sunny
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Current Conditions at
STERLING ROCK - (KSQI)
55°
Cloudy
as of 4:56 PM CDST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: MVFR
Wind Data
16 MPH
Gust: 23 MPH
130° Southeast
Cloud Level(s): Few at 1000ft, Broken at 2200ft, Solid Overcast at 2700ft
Current Conditions at
ALBERTUS AIRPORT - (KFEP)
50°
Feels like 43°F
Cloudy
as of 4:55 PM CDST
Rel. Humidity: 93%
Dew Point: 48°F
Pressure: 29.83 in.
Wind Data
21 MPH
Gust: 30 MPH
140° Southeast
Cloud Level(s): Solid Overcast at 800ft
40% chance of thunderstorms This Afternoon This Afternoon... A 40 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 56. Breezy, with a southeast wind around 20 mph, with gusts as high as 30 mph.
70% chance of thunderstorms Tonight Tonight... Showers and thunderstorms likely, mainly before 2am. Mostly cloudy, with a temperature rising to around 62 by 5am. Breezy, with a southeast wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
20% chance of thunderstorms Saturday Saturday... A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 20%.
80% chance of thunderstorms Saturday Night Saturday Night... Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 63. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
80% chance of thunderstorms Sunday Sunday... Showers and possibly a thunderstorm. High near 75. Breezy. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
90% chance of thunderstorms Sunday Night Sunday Night... Showers and possibly a thunderstorm. Low around 61. Breezy. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
50% chance of Monday Monday... A 50 percent chance of showers. Partly sunny, with a high near 70. Breezy.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 50.
Sunny on Tuesday Tuesday... Sunny, with a high near 77.
40% chance of thunderstorms Tuesday Night Tuesday Night... A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.
40% chance of thunderstorms Wednesday Wednesday... A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
50% chance of thunderstorms Wednesday Night Wednesday Night... A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
40% chance of thunderstorms Thursday Thursday... A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 72.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 48.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 65.
Current Radar Image


Sun Almanac for Portland, Illinois
Sunrise: 06:02 AM
Sunset: 7:53 PM
Civil Sunrise:05:32 AM
Civil Sunset: 8:23 PM
Nautical Sunrise: 04:56 AM
Nautical Sunset: 8:59 PM
Astro Sunrise: 04:17 AM
Astro Sunset: 9:38 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.