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Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Aberdeen, Aberdeen Regional Airport (KABR)

Lat: 45.44°NLon: 98.41°WElev: 1299ft.

Mostly Cloudy

72°F

22°C

Humidity 84%
Wind Speed SE 13 mph
Barometer 29.92 in (1012.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 17 Aug 12:53 pm CDT
Extended Forecast for

Frederick SD

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 8pm. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 63. Northwest wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. North wind around 9 mph.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. Northeast wind 3 to 7 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. East wind 3 to 6 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. East wind around 6 mph becoming south after midnight.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. South wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Southeast wind around 10 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. South wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms, mainly before 8pm. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 63. Northwest wind 6 to 10 mph. Chance of precipitation is 30%.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. North wind around 9 mph.
Monday Night
Partly cloudy, with a low around 61. Northeast wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 83. East wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 61. East wind around 6 mph becoming south after midnight.
Wednesday
Sunny, with a high near 85. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 63. Southeast wind around 10 mph.
Thursday
Sunny, with a high near 88. South wind 11 to 14 mph, with gusts as high as 23 mph.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Frederick SD
 45.85°N 98.51°W (Elev. 1371 ft)
Last Update:
1:46 pm CDT Aug 17, 2025
Forecast Valid:
1pm CDT Aug 17, 2025-6pm CDT Aug 23, 2025
 
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