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

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

Mobridge, Mobridge Municipal Airport (KMBG)

Lat: 45.55°NLon: 100.41°WElev: 1713ft.

Overcast and Breezy

73°F

23°C

Humidity 79%
Wind Speed SE 22 G 32 mph
Barometer 29.92 in (1012.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 17 Aug 12:52 pm CDT
Extended Forecast for

Java SD

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 81. South wind around 14 mph becoming west northwest. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 63. North northwest wind 8 to 11 mph becoming northeast after midnight.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 83. North northeast wind around 9 mph becoming east in the afternoon.

    High: 83 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. East wind around 9 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 84. Southeast wind around 9 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63. East southeast wind around 10 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. South southeast wind 10 to 16 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. Southeast wind 16 to 18 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 91. South southeast wind around 17 mph.

    High: 91 °F

    Hot

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 81. South wind around 14 mph becoming west northwest. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 63. North northwest wind 8 to 11 mph becoming northeast after midnight.
Monday
Partly sunny, with a high near 83. North northeast wind around 9 mph becoming east in the afternoon.
Monday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 62. East wind around 9 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 84. Southeast wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 63. East southeast wind around 10 mph.
Wednesday
Sunny, with a high near 88. South southeast wind 10 to 16 mph.
Wednesday Night
Mostly clear, with a low around 66. Southeast wind 16 to 18 mph.
Thursday
Sunny and hot, with a high near 91. South southeast wind around 17 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 60. Chance of precipitation is 30%.
Friday
Sunny, with a high near 78.
Friday Night
A slight chance of showers. Mostly clear, with a low around 54. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Java SD
 45.5°N 99.89°W (Elev. 2067 ft)
Last Update:
12:46 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