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Prairie du Rocher, IL 62279 Weather

It is 82°F and clear in Prairie du Rocher, IL 62279, observed at 4:35 PM CDT. Today: Mostly Sunny, high 82°F, low 56°F. Hourly and 7-day forecast from the National Weather Service. Times are local (CDT).

Prairie du Rocher, IL 62279 current weather

82°F

Clear

H 82° / L 56°Feels like 81°

Observed at Perryville Regional Airport (23.9 mi away), 10/29/2026, 4:35 PM CDT

Hourly forecast

NWS, updated 10/29/2026, 3:26 PM PT

  1. Now81°
  2. 6 PM78°
  3. 7 PM72°
  4. 8 PM69°
  5. 9 PM66°
  6. 10 PM64°
  7. 11 PM63°
  8. 12 AM61°Fri
  9. 1 AM60°
  10. 2 AM60°
  11. 3 AM59°
  12. 4 AM58°
  13. 5 AM57°
  14. 6 AM57°
  15. 7 AM56°
  16. 8 AM57°
  17. 9 AM59°
  18. 10 AM64°
  19. 11 AM69°
  20. 12 PM74°
  21. 1 PM76°
  22. 2 PM78°
  23. 3 PM79°
  24. 4 PM79°
  25. 5 PM78°
  26. 6 PM74°
  27. 7 PM70°
  28. 8 PM67°
  29. 9 PM65°
  30. 10 PM65°
  31. 11 PM63°
  32. 12 AM62°Sat
  33. 1 AM62°
  34. 2 AM61°
  35. 3 AM60°
  36. 4 AM60°
  37. 5 AM59°
  38. 6 AM58°
  39. 7 AM58°10%
  40. 8 AM57°10%
  41. 9 AM59°10%
  42. 10 AM62°10%
  43. 11 AM66°10%
  44. 12 PM68°10%
  45. 1 PM70°12%
  46. 2 PM71°12%
  47. 3 PM72°12%
  48. 4 PM72°12%

7-day forecast

Tap a day for details

  • Today10/29Low 56°High 82°

    This Afternoon: Mostly sunny, with a high near 82. South wind around 3 mph.

    Tonight: Mostly cloudy, with a low around 56. Northeast wind around 2 mph.

    Mostly Sunny
  • Fri10/30Low 57°High 79°

    Friday: Partly sunny, with a high near 79. East wind around 5 mph.

    Friday Night: Mostly cloudy, with a low around 57. East wind around 3 mph.

    Partly Sunny
  • Sat10/3160% chance of precipitationLow 55°High 72°

    Saturday: A chance of rain showers after 7am. Cloudy, with a high near 72. East wind 1 to 5 mph.

    Saturday Night: Rain showers likely. Cloudy, with a low around 55. Chance of precipitation is 60%.

    Chance Rain Showers
  • Sun11/138% chance of precipitationLow 55°High 71°

    Sunday: A chance of rain showers before noon. Mostly cloudy, with a high near 71. Chance of precipitation is 40%.

    Sunday Night: A slight chance of rain showers after midnight. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.

    Chance Rain Showers then Mostly Cloudy
  • Mon11/241% chance of precipitationLow 59°High 71°

    Monday: A chance of rain showers. Cloudy, with a high near 71. Chance of precipitation is 40%.

    Monday Night: A chance of rain showers. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.

    Chance Rain Showers
  • Tue11/360% chance of precipitationLow 57°High 74°

    Tuesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    Tuesday Night: Rain showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Showers And Thunderstorms Likely
  • Wed11/454% chance of precipitationLow 49°High 70°

    Wednesday: A chance of rain showers. Partly sunny, with a high near 70. Chance of precipitation is 50%.

    Wednesday Night: A chance of rain showers. Partly cloudy, with a low around 49. Chance of precipitation is 30%.

    Chance Rain Showers

Forecast for 38.138, -90.138 from the NWS LSX office, updated 10/29/2026, 3:26 PM PT · Official forecast on weather.gov

From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.

Next 6 hours

NWS hourly forecast

  1. Now81°Mostly Sunny1%3 mph
  2. 6 PM78°Partly Cloudy1%2 mph
  3. 7 PM72°Mostly Cloudy2%1 mph
  4. 8 PM69°Partly Cloudy3%1 mph
  5. 9 PM66°Partly Cloudy3%1 mph
  6. 10 PM64°Partly Cloudy3%0 mph

Hourly details

Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShow

Radar and satellite

National radar

NEXRAD (up to 24 hours) and GOES

Latest

Frequently asked questions

What is the weather in Prairie du Rocher, IL 62279 right now?
The latest observation from Perryville Regional Airport was 82°F and clear, reported at 10/29/2026, 4:35 PM CDT.
What is the high temperature today in Prairie du Rocher, IL 62279?
The National Weather Service forecast for this afternoon calls for a high near 82°F. Mostly Sunny.
Will it rain in Prairie du Rocher, IL 62279 in the next 24 hours?
The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
What time is sunrise and sunset in Prairie du Rocher, IL 62279 today?
Sunrise is about 7:23 AM CDT and sunset is about 6:04 PM CDT (calculated for the center of the area, within a few minutes).
What is the normal October weather in Prairie du Rocher, IL 62279?
At Kaskaskia Rvr Navigation Lock, the 1991 to 2020 normal high in October is 70°F and the normal low is 46°F.

Rain and snow totals

Next 3 days, NWS forecast grid

Rain (liquid)
0.10 in
Snow
0.00 in
Ice
0.00 in

Nearby hazards

Illinois hazards

Severe storm and flash flood outlooks, expected rain, river flooding and wildfires near this area

  • Severe storm outlook today:General thunderstormsOutlook map
  • Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
  • River gauges within 40 miles at or above flood stage: None reported
  • Active wildfires within 50 miles: None reported

UV and air quality forecast

EPA and AirNow

AQI forecast today (St. Louis (Metro-east))
ModeratePM2.5
AQI forecast tomorrow (St. Louis (Metro-east))
GoodPM2.5

UV index guide · Air quality

Drought

By county

Monroe County, week of 10/27/2026

5% of the county is in moderate drought or worse.

Sun and moon

Local time, center of the area

Sunrise
7:23 AM
Sunset
6:04 PM
Daylight
10 hr 41 min
Moon
Waning Gibbous 85% lit
First light (civil dawn)
6:56 AM
Last light (civil dusk)
6:31 PM
Moonrise
8:38 PM
Moonset
11:32 AM

Normal October weather

Climate

Normal October high 70°, low 46°, precipitation 3.07 in for the month. 1991 to 2020 normals at Kaskaskia Rvr Navigation Lock, 15 mi away.

Other places nearby

Data sources

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About this data

Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.

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