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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

Canby Airfield (KCNB)

Lat: 44.73°NLon: 96.27°WElev: 1194ft.

Thunderstorm Light Rain in Vicinity

71°F

22°C

Humidity 92%
Wind Speed N 6 mph
Barometer 30.06 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 17 Aug 10:55 am CDT
Extended Forecast for

Astoria SD

  • Today

    Today: A chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 85. Southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 67. Southeast wind 9 to 11 mph becoming southwest after midnight. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 82. Northwest wind 7 to 9 mph.

    High: 82 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. North wind 6 to 8 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. North northeast wind 6 to 8 mph.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Northeast wind 5 to 8 mph becoming light and variable after midnight.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Light and variable wind becoming east southeast 5 to 7 mph in the morning.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. East southeast wind around 8 mph becoming south after midnight.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. South wind 9 to 11 mph, with gusts as high as 20 mph.

    High: 83 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 85. Southeast wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 67. Southeast wind 9 to 11 mph becoming southwest after midnight. Chance of precipitation is 40%.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 82. Northwest wind 7 to 9 mph.
Monday Night
Partly cloudy, with a low around 62. North wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 79. North northeast wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 61. Northeast wind 5 to 8 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 80. Light and variable wind becoming east southeast 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 61. East southeast wind around 8 mph becoming south after midnight.
Thursday
Sunny, with a high near 83. South wind 9 to 11 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Astoria SD
 44.57°N 96.54°W (Elev. 1841 ft)
Last Update:
10:46 am CDT Aug 17, 2025
Forecast Valid:
11am 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