Expected

Responsive action SHOULD be taken soon (within next hour)

Nebraska Red Flag Warning | Effective 04/23/2026 12:52

* AFFECTED AREA...Fire Weather Zone 204 Eastern Panhandle/Crescent Lake NWR, Fire Weather Zone 206 Sandhills/Valentine NWR/Nebraska National Forest, Fire Weather Zone 208 Niobrara Valley/Fort Niobrara NWR/Samuel R McKelvie National Forest, Fire Weather Zone 209 Loup Rivers Basin, Fire Weather Zone 210 Frenchman Basin and Fire Weather Zone 219 Loess Plains. * TIMING...Until 8PM CDT/7PM MDT. * WINDS...West to Northwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 10 percent.

Puerto Rico, U.S. Virgin Islands Rip Current Statement | Effective 04/23/2026 12:59

* WHAT...High Rip Current Risk, life-threatening rip currents. * WHERE...Beaches along the northwest to northeast beaches of Puerto Rico, Culebra, St. Thomas, and St. John. * WHEN...Through late tonight. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water, where it becomes difficult to return to safety. * ADDITIONAL DETAILS...A long period north to northwest swell will spread across the Atlantic waters overnight through this

Kansas Special Weather Statement | Effective 04/23/2026 12:24

At 224 PM CDT, Doppler radar was tracking a strong thunderstorm near Haddam, moving northeast at 30 mph. HAZARD...Strong wind gusts of 50 to 55 mph and nickel size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Hail damage to outdoor objects and vegetation is possible. Locations impacted include... Haddam and Mahaska. If outdoors, consider seeking shelter inside a building. A Tornado Watch remains in effect until 900 PM CDT for north central Kansas.

Montana Special Weather Statement | Effective 04/23/2026 12:37

At 137 PM MDT, Doppler radar was tracking an area of heavy snow near Livingston, moving east at 35 mph. Locations impacted include... Livingston, Big Timber, Clyde Park, Chico Hot Springs, Springdale, Mc Leod, Melville, Greycliff, Pine Creek, Nye, Wilsall, Dean, Reed Point, Emigrant and Chico. Visibility down to 1/2 mile is being observed with these snow showers. Use extra caution if you must travel into or through this area of snow. Rapid changes in visibility and potentially slick roads may

Colorado Red Flag Warning | Effective 04/23/2026 12:41

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK, SOUTHERN FRONT RANGE FOOTHILLS, URBAN CORRIDOR AND PORTIONS OF THE PLAINS... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 8 PM MDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 214, 216, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247 and 249.

Colorado, Wyoming Red Flag Warning | Effective 04/23/2026 12:41

The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 8 PM MDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zone 215. * TIMING...From 11 AM to 8 PM MDT Friday. * WINDS...West 15 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a

Colorado Red Flag Warning | Effective 04/23/2026 12:41

* AFFECTED AREA...Fire Weather Zones 248, 250 and 251. * TIMING...Until 7 PM MDT this evening. * WINDS...Northwest 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...As low as 15 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of

Colorado Red Flag Warning | Effective 04/23/2026 12:41

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR SOUTH PARK, SOUTHERN FRONT RANGE FOOTHILLS, URBAN CORRIDOR AND PORTIONS OF THE PLAINS... The National Weather Service in Denver has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 8 PM MDT Friday. The Fire Weather Watch is no longer in effect. * AFFECTED AREA...Fire Weather Zones 214, 216, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247 and 249.

Hawaii Ashfall Advisory | Effective 04/23/2026 12:04

* WHAT...Kilauea is erupting lava fountains within the summit caldera. Fountaining episodes typically last less than 12 hours but ash can remain in the air longer depending on wind and weather conditions. * WHERE...Big Island South and Big Island Southeast. * WHEN...Until 6 PM HST this evening. * IMPACTS...The public will be affected by a limited hazard extent. Varying levels of tephra, including ash, Peles hair and other lightweight pumice may fall downwind of the eruption. These small

Kansas, Nebraska Red Flag Warning | Effective 04/23/2026 12:04

...CRITICAL FIRE WEATHER CONDITIONS CONTINUE INTO THIS EVENING... * WINDS...From the west-northwest this afternoon, then turning more northerly mainly after 6 or 7 PM. Sustained speeds mainly 15 to 25 MPH, with gusts up to around 30 to 35 MPH. * RELATIVE HUMIDITY...At least as low as 10 to 15 percent, slightly lower in some places. * IMPACTS...Any fire that develops will spread quickly. Outdoor burning is not recommended. A Red Flag Warning means that critical fire weather conditions
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