Soaring Forecast - NWS Twin Cities

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Soaring Forecast for the Twin Cities Area Prepared at 12:30 GMT Fri Aug 15 2025 Height Wind Wind Temp Soaring (ft AGL) Direction Speed(kts) (Deg C) Index 3000 255 25 20 -0.5 5000 240 13 15 1.0 7000 230 15 13 4.5 Temperature needed for lift to 3000 ft agl (Trigger Temp)..86 Time at which trigger temperature will be reached..........3 pm Maximum Temperature for the day............................88 Deg F Maximum altitude of thermals...............................3900 (ft agl) Height where cumulus will form.............................No Cu Expected (ft agl) Base of cumulus during the afternoon.......................No Cu Expected (ft agl) Total Sky Cover in Eighths (Oktas) (11 AM to 4 PM).........4 Implications of specific soaring indices: -4 or Less............Excellent -3....................Good -2 or -1..............Fair Zero or Greater.......Poor Forecast is based on Upper Air Data collected at Chanhassen, Minnesota. Elevation 943 feet. To: Princeton FSS, FAX, (763) 389-7143 Voice, (800) 642-6505 From: National Weather Service Chanhassen, Voice (952) 361-6671