Flanagan, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Flanagan, IL in one place.
A chance of showers and thunderstorms before 4pm. Mostly cloudy. High near 70, with temperatures falling to around 68 in the afternoon. North northeast wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Flanagan, 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: Oct 13, 2026 10:28 PM CDT.
The active forecast window currently covers Oct 14 to Oct 20, 2026 for Flanagan, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 14 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 10:28 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Flanagan
Tuesday looks like the warmest upcoming period in Flanagan at 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Thursday Night at about 5 to 20 mph W.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 10:28 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers after 4am. Mostly cloudy, with a low around 56. East northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 7am, then showers and thunderstorms. Mostly cloudy, with a high near 69. Southeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.
Showers and thunderstorms before 1am. Mostly cloudy, with a low around 46. West wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Mostly sunny, with a high near 59.
Patchy frost after 5am. Mostly clear, with a low around 34.
Areas of frost before 8am. Sunny, with a high near 62.
Clear, with a low around 39.
Sunny, with a high near 68.
Partly cloudy, with a low around 46.
Partly sunny, with a high near 70.
Mostly cloudy, with a low around 48.
Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Chance Showers And Thunderstorms
|
70°F |
0 to 10 mph
NNE
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy then Chance Rain Showers
|
56°F |
5 to 10 mph
ENE
|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
69°F |
5 mph
SE
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms
|
46°F |
5 to 20 mph
W
|
|
Friday
Oct 16
|
Mostly Sunny
|
59°F |
15 to 20 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear then Patchy Frost
|
34°F |
0 to 15 mph
NNW
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
62°F |
0 to 5 mph
W
|
|
Saturday Night
Oct 17
|
Clear
|
39°F |
5 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
5 to 15 mph
SSW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
46°F |
5 to 10 mph
SSW
|
|
Monday
Oct 19
|
Partly Sunny
|
70°F |
5 mph
SSW
|
|
Monday Night
Oct 19
|
Mostly Cloudy
|
48°F |
0 to 5 mph
S
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
75°F |
0 to 5 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Flanagan.