Alpha, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Alpha, IL in one place.
Showers and thunderstorms. Cloudy, with a high near 66. Southeast wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Local Weather Overview
This forecast page for Alpha, 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 14, 2026 4:09 AM CDT.
The active forecast window currently covers Oct 15 to Oct 20, 2026 for Alpha, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 4:09 AM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Alpha
Tuesday looks like the warmest upcoming period in Alpha at 73 degrees F.
Friday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Friday at about 20 to 28 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 14, 2026 4:09 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 45. Northwest wind 8 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers between 7am and 1pm. Partly sunny, with a high near 55. Northwest wind 20 to 28 mph, with gusts as high as 41 mph.
Areas of frost after 5am. Mostly clear, with a low around 35. North wind 0 to 17 mph, with gusts as high as 24 mph.
Areas of frost before 8am. Sunny, with a high near 58.
Clear, with a low around 40.
Sunny, with a high near 67.
Partly cloudy, with a low around 47.
Partly sunny, with a high near 69.
Partly cloudy, with a low around 48.
Sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Showers And Thunderstorms
|
66°F |
6 to 10 mph
SE
|
|
Thursday Night
Oct 15
|
Showers And Thunderstorms Likely
|
45°F |
8 to 25 mph
NW
|
|
Friday
Oct 16
|
Slight Chance Rain Showers
|
55°F |
20 to 28 mph
NW
|
|
Friday Night
Oct 16
|
Mostly Clear then Areas Of Frost
|
35°F |
0 to 17 mph
N
|
|
Saturday
Oct 17
|
Areas Of Frost then Sunny
|
58°F |
0 to 8 mph
SW
|
|
Saturday Night
Oct 17
|
Clear
|
40°F |
5 to 10 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
67°F |
10 to 16 mph
SSW
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
47°F |
7 to 12 mph
S
|
|
Monday
Oct 19
|
Partly Sunny
|
69°F |
8 mph
SSW
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
48°F |
3 mph
S
|
|
Tuesday
Oct 20
|
Sunny
|
73°F |
1 to 7 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alpha.