Griggsville, IL Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Griggsville, IL in one place.
A chance of rain showers. Mostly cloudy, with a high near 67. Southeast wind around 10 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Griggsville, 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 9, 2026 6:17 PM CDT.
The active forecast window currently covers Apr 11 to Apr 15, 2026 for Griggsville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 6:17 PM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Griggsville
Tuesday looks like the warmest upcoming period in Griggsville at 83 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Sunday at about 13 to 18 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 6:17 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
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. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly sunny, with a high near 77. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 54. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Chance Rain Showers
|
67°F |
10 mph
SE
|
|
Saturday Night
Apr 11
|
Slight Chance Rain Showers then Mostly Cloudy
|
59°F |
8 to 12 mph
S
|
|
Sunday
Apr 12
|
Chance Showers And Thunderstorms
|
76°F |
13 to 18 mph
S
|
|
Sunday Night
Apr 12
|
Chance Showers And Thunderstorms
|
62°F |
15 mph
SW
|
|
Monday
Apr 13
|
Slight Chance Showers And Thunderstorms
|
82°F |
12 to 15 mph
SW
|
|
Monday Night
Apr 13
|
Slight Chance Showers And Thunderstorms
|
67°F |
14 mph
SW
|
|
Tuesday
Apr 14
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
83°F |
12 to 16 mph
SW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
62°F |
13 mph
S
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
77°F |
12 to 15 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
54°F |
10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Griggsville.