Winter Storm Watch issued April 15 at 2:13PM MDT until April 18 at 6:00AM MDT by NWS Great Falls MT
* WHAT...Heavy snow possible. Total snow accumulations between 6 and 10 inches at pass level with 10 to 16 inches on mountain peaks possible. Winds could gust as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From Wednesday afternoon through late Thursday night. * IMPACTS...Travel could be very difficult. Tire chains may be required for some vehicles if traveling through mountain passes.
Special Weather Statement issued April 15 at 1:47PM CDT by NWS Sioux Falls SD
Lowering humidity values to near 25 percent along with northwest winds gusting to 25 to 30 mph will create some near-critical fire weather conditions early to mid-afternoon across northwest Iowa and portions of southwest Minnesota. Winds are expected to trend slowly downward this afternoon which should begin to ease the approach towards critical fire weather conditions by late this afternoon.
Winter Storm Watch issued April 15 at 2:01AM MDT until April 18 at 6:00AM MDT by NWS Great Falls MT
* WHAT...Heavy snow possible. Total snow accumulations between 6 and 9 inches at pass level with 9 to 16 inches on mountain peaks possible. Winds could gust as high as 40 mph. * WHERE...Big Belt, Bridger and Castle Mountains and Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From Wednesday afternoon through late Thursday night. * IMPACTS...Travel could be very difficult. Tire chains may be required for some vehicles if traveling through mountain passes.
Winter Storm Watch issued April 15 at 2:01AM MDT until April 18 at 12:00AM MDT by NWS Great Falls MT
* WHAT...Heavy snow possible. Total snow accumulations between 2 and 4 inches with up to 7 inches at Norris Hill possible. Winds could gust as high as 45 mph. * WHERE...Madison River Valley. * WHEN...From Wednesday evening through Thursday evening. * IMPACTS...Travel could be very difficult. Gusty winds could bring down tree branches.
Red Flag Warning issued April 14 at 2:23PM CDT until April 14 at 8:00PM CDT by NWS Sioux Falls SD
* AFFECTED AREA...In Iowa, Woodbury. In Nebraska, Dixon and Dakota. In South Dakota, Gregory, Charles Mix, Bon Homme, Yankton, Clay and Union. * WINDS...Northwest 25 to 35 mph with gusts up to 50 mph. * RELATIVE HUMIDITY...As low as 25 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
Wind Advisory issued April 14 at 2:09PM CDT until April 14 at 7:00PM CDT by NWS Sioux Falls SD
* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph expected. Higher gusts as high as 55 mph may accompany scattered afternoon showers and thunderstorms. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Wind Advisory issued April 14 at 8:47AM CDT until April 14 at 7:00PM CDT by NWS Sioux Falls SD
* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph expected. Higher gusts may accompany scattered afternoon showers and thunderstorms. * WHERE...Portions of northwest and west central Iowa, southwest Minnesota, northeast Nebraska, and central, east central, south central, and southeast South Dakota. * WHEN...Until 7 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Red Flag Warning issued April 14 at 3:12AM CDT until April 14 at 8:00PM CDT by NWS Sioux Falls SD
The National Weather Service in Sioux Falls has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 1 PM this afternoon to 8 PM CDT this evening. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...In Iowa, Woodbury. In Nebraska, Dixon and Dakota. In South Dakota, Gregory, Charles Mix, Bon Homme, Yankton, Clay and Union. * WINDS...Northwest 25 to 35 mph with gusts up to 45 mph. Locally higher gusts may accompany isolated showers and thunderstorms this afternoon. * RELATIVE HUMIDITY...As low as 23 percent. * IMPACTS...Any fire that develops
Wind Advisory issued April 14 at 3:10AM CDT until April 14 at 7:00PM CDT by NWS Sioux Falls SD
* WHAT...The strongest surge of overnight winds has passed, though gusts of 35 to 40 mph will continue through daybreak. After 11 am, northwest winds will again increase to 25 to 35 mph with gusts up to 45 mph expected. Locally higher gusts may accompany scattered showers and thunderstorms this afternoon. * WHERE...Portions of central, east central, south central, and southeast South Dakota. * WHEN...From 11 AM this morning to 7 PM CDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Wind Advisory issued April 13 at 2:35PM CDT until April 14 at 4:00AM CDT by NWS Sioux Falls SD
* WHAT...Northwest winds 25 to 30 mph with gusts up to 50 mph. * WHERE...Portions of central, east central, south central, and southeast South Dakota. * WHEN...Until 4 AM CDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.