National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Robinson Municipal Airport (KRSV)

Lat: 39.01°NLon: 87.65°WElev: 449ft.

Overcast

41°F

5°C

Humidity 81%
Wind Speed NW 3 mph
Barometer 30.27 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 20 Apr 2:36 am CDT
Extended Forecast for

4 Miles S Annapolis IL

Frost Advisory until April 20, 08:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 20, 08:00am

    NOW until 8:00am Mon

    Frost Advisory

  • Overnight

    Low: 36 °F

    Areas Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 62. East northeast wind around 5 mph becoming calm in the afternoon.

    High: 62 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Light south wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 17 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. West southwest wind around 11 mph, with gusts as high as 17 mph.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South southwest wind around 7 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Overnight
Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. North northeast wind 3 to 6 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 62. East northeast wind around 5 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 45. Light south wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 17 mph.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 56. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 77. West southwest wind around 11 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 56. South southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 63.
Friday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 75. Chance of precipitation is 80%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Saturday
A chance of showers. Mostly sunny, with a high near 72.
Saturday Night
A chance of showers. Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Annapolis IL
 39.09°N 87.81°W (Elev. 505 ft)
Last Update:
2:01 am CDT Apr 20, 2026
Forecast Valid:
2am CDT Apr 20, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation