Future

Another round of showers and storms is expected this evening into the overnight. Heavy rainfall and localized flooding will be possible, particularly across Maricopa and Pinal Counties. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of south central Arizona, including the following areas, Aguila Valley, Apache Junction/Gold Canyon, Buckeye/Avondale, Cave Creek/New River, Central Phoenix, Deer Valley, Dripping Springs, East Valley, Fountain Hills/East Mesa,

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Utah, including the following areas, Castle Country, Central Mountains, Eastern Juab/Millard Counties, San Rafael Swell, Sanpete Valley, Sevier Valley, Bryce Canyon Country, Capitol Reef National Park and Vicinity, Glen Canyon Recreation Area/Lake Powell, South Central Utah, Southern Mountains, Upper Sevier River Valleys, Western Canyonlands, Lower Washington County and Zion National Park.

* WHAT...Dangerously hot conditions with heat index values of 102 to 108 degrees, and morning lows from 75 to 80 degrees, possible for several consecutive days. * WHERE...In Illinois, Clinton IL, Washington IL, Madison IL, Monroe IL, Randolph IL, and Saint Clair IL Counties. In Missouri, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties. * WHEN...From Monday afternoon through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...A portion of southwest Colorado, including the following areas, Animas River Basin and San Juan River Basin. * WHEN...From Monday morning through Monday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Recent burn scars will also be especially susceptible. * ADDITIONAL DETAILS... - Monsoonal moisture will remain across the area through Monday

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Colorado, including the following areas, Central Colorado River Basin, Central Gunnison and Uncompahgre River Basin, Central Yampa River Basin, Debeque to Silt Corridor, Flat Tops, Four Corners/Upper Dolores River, Gore and Elk Mountains/Central Mountain Valleys, Grand Valley, Grand and Battlement Mesas, Northwest San Juan Mountains, Paradox

* WHAT...For the Heat Advisory, heat index values up to 103 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 107 possible. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...For the Heat Advisory, from 10 AM CDT /11 AM EDT/ Monday to 10 AM CDT /11 AM EDT/ Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during

* WHAT...For the Heat Advisory, heat index values up to 105 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible. * WHERE...Portions of southeast Kansas and central, east central, south central, southwest, and west central Missouri. * WHEN...For the Heat Advisory, from noon to 8 PM CDT Monday. For the Extreme Heat Watch, from noon Tuesday afternoon through 8 PM Friday evening. * IMPACTS...Heat related illnesses increase significantly during

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...All of northern and central Arizona. * WHEN...From 2 PM MST /3 PM MDT/ this afternoon through Monday evening. * IMPACTS...Flash flooding will be possible in creeks, normally dry washes, swimming holes, and over recently burned areas. Raging killer currents will be possible in side canyons and narrow slot canyons. Low-water crossings may be flooded. * ADDITIONAL DETAILS...

The National Weather Service in Reno has issued a Fire Weather Watch for gusty winds and low humidity, which is in effect from Tuesday morning through Tuesday evening. * Affected Area...Fire Weather Zone 270 Surprise Valley California, Fire Weather Zone 278 Eastern Lassen County, Fire Weather Zone 420 Northern Sierra Front including Carson City, Douglas, Storey, Southern Washoe, Western Lyon, and Far Southern Lassen Counties, Fire Weather Zone 458 Northern Washoe County.

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Tucson Metro Area, Southeast Pinal County, Tohono O'odham Nation, Upper San Pedro River Valley Upper Santa Cruz River Valley/Altar Valley, Baboquivari Mountains, Catalina and Rincon Mountains, Dragoon and Mule and Huachuca and Santa Rita Mountains. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.