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

Hazardous Weather Conditions

Current conditions at

Oskaloosa, Oskaloosa Municipal Airport (KOOA)

Lat: 41.23°NLon: 92.49°WElev: 840ft.

Fair

37°F

3°C

Humidity 69%
Wind Speed W 9 mph
Barometer 30.15 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 19 Apr 3:55 am CDT
Extended Forecast for

4 Miles E Hamilton IA

Frost Advisory April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: Mostly sunny, with a high near 59. West southwest wind 9 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 33. North wind 6 to 10 mph becoming east southeast after midnight.

    Low: 33 °F

    Mostly Clear

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 66. Southeast wind 6 to 15 mph, with gusts as high as 22 mph.

    High: 66 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. South wind around 14 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. Windy.

    High: 77 °F

    Windy. Mostly
    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 59. West southwest wind 9 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 24 mph.
Tonight
Mostly clear, with a low around 33. North wind 6 to 10 mph becoming east southeast after midnight.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 66. Southeast wind 6 to 15 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 53. South wind around 14 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 81. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 61.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 77. Windy.
Thursday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 51. Breezy. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 65.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hamilton IA
 41.16°N 92.82°W
Last Update:
3:06 am CDT Apr 19, 2026
Forecast Valid:
5am CDT Apr 19, 2026-6pm CDT Apr 25, 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