Belknap, IL Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Belknap, IL in one place.
Showers and thunderstorms likely before 8am, then a chance of showers and thunderstorms. Partly sunny. High near 81, with temperatures falling to around 79 in the afternoon. Southwest wind 6 to 9 mph. Chance of precipitation is 70%.
Local Weather Overview
This forecast page for Belknap, 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 16, 2026 1:49 AM CDT.
The active forecast window currently covers Apr 16 to Apr 22, 2026 for Belknap, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 1:49 AM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Belknap
Friday looks like the warmest upcoming period in Belknap at 86 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Saturday at about 8 to 12 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 1:49 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KPAH
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 58. South southwest wind 2 to 6 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. South wind 2 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. South wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 72. West wind 8 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Rain showers likely. Mostly cloudy, with a low around 41. Northwest wind 3 to 9 mph, with gusts as high as 20 mph.
A slight chance of rain showers before 7am. Sunny, with a high near 68. Northwest wind 2 to 9 mph.
Clear, with a low around 41. Northeast wind 2 to 6 mph.
Sunny, with a high near 72. South southeast wind 2 to 7 mph.
Mostly clear, with a low around 49. South wind around 5 mph.
Mostly sunny, with a high near 77. South southwest wind 3 to 10 mph, with gusts as high as 21 mph.
Partly cloudy, with a low around 54. South southwest wind around 7 mph.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 79. South southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
81°F |
6 to 9 mph
SW
|
|
Thursday Night
Apr 16
|
Chance Showers And Thunderstorms then Mostly Clear
|
58°F |
2 to 6 mph
SSW
|
|
Friday
Apr 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
86°F |
2 to 10 mph
S
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms
|
61°F |
9 mph
S
|
|
Saturday
Apr 18
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
72°F |
8 to 12 mph
W
|
|
Saturday Night
Apr 18
|
Rain Showers Likely
|
41°F |
3 to 9 mph
NW
|
|
Sunday
Apr 19
|
Slight Chance Rain Showers then Sunny
|
68°F |
2 to 9 mph
NW
|
|
Sunday Night
Apr 19
|
Clear
|
41°F |
2 to 6 mph
NE
|
|
Monday
Apr 20
|
Sunny
|
72°F |
2 to 7 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
49°F |
5 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
77°F |
3 to 10 mph
SSW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
54°F |
7 mph
SSW
|
|
Wednesday
Apr 22
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
79°F |
5 to 9 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Belknap.