Brownstown, IL Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Brownstown, IL in one place.
A slight chance of rain showers. Partly sunny, with a high near 68. East wind around 8 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Brownstown, 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: Apr 10, 2026 5:54 AM CDT.
The active forecast window currently covers Apr 11 to Apr 16, 2026 for Brownstown, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 5:54 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Brownstown
Tuesday looks like the warmest upcoming period in Brownstown at 83 degrees F.
Saturday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Sunday at about 10 to 21 mph S.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 5:54 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KILX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 58. Southeast wind 6 to 9 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Slight Chance Rain Showers
|
68°F |
8 mph
E
|
|
Saturday Night
Apr 11
|
Slight Chance Rain Showers then Partly Cloudy
|
58°F |
6 to 9 mph
SE
|
|
Sunday
Apr 12
|
Partly Sunny then Slight Chance Showers And Thunderstorms
|
78°F |
10 to 21 mph
S
|
|
Sunday Night
Apr 12
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
64°F |
16 mph
SW
|
|
Monday
Apr 13
|
Showers And Thunderstorms Likely
|
80°F |
16 mph
SW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
66°F |
12 to 15 mph
SW
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
83°F |
12 to 17 mph
SW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
66°F |
15 mph
S
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
80°F |
13 to 16 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
59°F |
7 to 10 mph
SW
|
|
Thursday
Apr 16
|
Chance Rain Showers
|
78°F |
7 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Brownstown.