Simpson, IL Weather Forecast
Local 7-day forecast
Widespread Frost then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Simpson, IL in one place.
Widespread frost before 9am. Sunny. High near 63, with temperatures falling to around 57 in the afternoon. West southwest wind 0 to 6 mph.
Local Weather Overview
This forecast page for Simpson, 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: Nov 7, 2026 4:57 PM CST.
The active forecast window currently covers Nov 8 to Nov 13, 2026 for Simpson, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 4:57 PM CST
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Simpson
Tuesday looks like the warmest upcoming period in Simpson at 70 degrees F.
Friday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Thursday at about 8 to 13 mph N.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 7, 2026 4:57 PM CST
- 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
Patchy fog after 8pm. Mostly clear, with a low around 36. West wind around 2 mph.
Patchy frost and patchy fog before 9am. Sunny, with a high near 67. West southwest wind 0 to 3 mph.
Clear, with a low around 40. Southwest wind around 1 mph.
Sunny, with a high near 70. Southwest wind 0 to 6 mph.
Mostly clear, with a low around 43. West northwest wind around 2 mph.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 67. West southwest wind 0 to 7 mph.
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43. Northwest wind 2 to 7 mph.
Mostly sunny, with a high near 57. North wind 8 to 13 mph, with gusts as high as 22 mph.
Partly cloudy, with a low around 32. North northwest wind 5 to 9 mph.
Mostly sunny, with a high near 52. North northwest wind 5 to 9 mph.
Mostly clear, with a low around 30. North northwest wind around 2 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 8
|
Widespread Frost then Sunny
|
63°F |
0 to 6 mph
WSW
|
|
Sunday Night
Nov 8
|
Patchy Fog
|
36°F |
2 mph
W
|
|
Monday
Nov 9
|
Patchy Frost then Sunny
|
67°F |
0 to 3 mph
WSW
|
|
Monday Night
Nov 9
|
Clear
|
40°F |
1 mph
SW
|
|
Tuesday
Nov 10
|
Sunny
|
70°F |
0 to 6 mph
SW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
43°F |
2 mph
WNW
|
|
Veterans Day
Nov 11
|
Mostly Sunny then Chance Showers And Thunderstorms
|
67°F |
0 to 7 mph
WSW
|
|
Wednesday Night
Nov 11
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
43°F |
2 to 7 mph
NW
|
|
Thursday
Nov 12
|
Mostly Sunny
|
57°F |
8 to 13 mph
N
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
32°F |
5 to 9 mph
NNW
|
|
Friday
Nov 13
|
Mostly Sunny
|
52°F |
5 to 9 mph
NNW
|
|
Friday Night
Nov 13
|
Mostly Clear
|
30°F |
2 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Simpson.