Belknap, IL Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Belknap, IL in one place.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South southwest wind 0 to 3 mph. Chance of precipitation is 50%.
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: Jul 15, 2026 12:59 AM CDT.
The active forecast window currently covers Jul 16 to Jul 21, 2026 for Belknap, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 12:59 AM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Belknap
Saturday looks like the warmest upcoming period in Belknap at 92 degrees F.
Thursday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Tuesday at about 2 to 7 mph W.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 12:59 AM CDT
- Coverage
- 6 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 7pm. Partly cloudy, with a low around 72. West wind around 2 mph. Chance of precipitation is 50%.
A chance of rain showers between 7am and 10am, then showers and thunderstorms likely. Mostly sunny, with a high near 89. West southwest wind 0 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 72. West wind around 2 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West southwest wind 1 to 6 mph.
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. West southwest wind 1 to 5 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. West southwest wind around 5 mph.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 73. Southwest wind 0 to 3 mph.
Mostly sunny, with a high near 92. West southwest wind 1 to 6 mph.
Mostly clear, with a low around 74. Southwest wind around 5 mph.
Mostly sunny, with a high near 91. West wind 2 to 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Mostly Sunny then Chance Showers And Thunderstorms
|
88°F |
0 to 3 mph
SSW
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
2 mph
W
|
|
Friday
Jul 17
|
Showers And Thunderstorms Likely
|
89°F |
0 to 5 mph
WSW
|
|
Friday Night
Jul 17
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
72°F |
2 mph
W
|
|
Saturday
Jul 18
|
Mostly Sunny then Chance Showers And Thunderstorms
|
92°F |
1 to 6 mph
WSW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
1 to 5 mph
WSW
|
|
Sunday
Jul 19
|
Sunny then Slight Chance Showers And Thunderstorms
|
92°F |
5 mph
WSW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
0 to 3 mph
SW
|
|
Monday
Jul 20
|
Mostly Sunny
|
92°F |
1 to 6 mph
WSW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
74°F |
5 mph
SW
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
91°F |
2 to 7 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Belknap.