Severe

Significant threat to life or property

Minnesota, South Dakota Red Flag Warning | Effective 04/21/2026 12:39

* AFFECTED AREA...In Minnesota, Big Stone. In South Dakota, Clark, Codington, Grant, Hamlin and Deuel. * WINDS...South 20 to 25 mph with gusts up to 40 mph. * RELATIVE HUMIDITY...As low as 23 percent. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Minnesota, South Dakota Fire Weather Watch | Effective 04/21/2026 12:39

* AFFECTED AREA...In Minnesota, Traverse. In South Dakota, Marshall, Roberts and Day. * WINDS...South 20 to 25 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 24 percent. * IMPACTS...Any fires that ignite will spread rapidly and become difficult to control or suppress. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Colorado High Wind Warning | Effective 04/21/2026 12:45

* WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Northern San Luis Valley, and Central San Luis Valley. * WHEN...From 1 PM to 8 PM MDT Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Areas of blowing dust could reduce visibility to under a mile at times. Be especially careful near recently

Texas Flood Warning | Effective 04/21/2026 12:07

...The Flood Warning continues for the following rivers in Texas... Guadalupe River Near Bloomington affecting Calhoun, Refugio and Victoria Counties. For the Guadalupe River...including Victoria, Bloomington...Minor flooding is forecast. * WHAT...Minor flooding is forecast. * WHERE...Guadalupe River near Bloomington. * WHEN...From Thursday evening to late Sunday evening. * IMPACTS...At 24.0 feet, Moderate lowland flooding occurs, with the river reaching well into the flood plain. Any oil tank batteries,

Colorado Fire Weather Watch | Effective 04/21/2026 12:15

The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Thursday morning through Thursday evening. * AFFECTED AREA...Fire Weather Zones 214, 216, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 and 251. * TIMING...For the Red Flag Warning, from 10 AM Wednesday to midnight MDT Wednesday night. For the Fire Weather Watch, from Thursday morning through Thursday evening. * WINDS...For the Red Flag Warning, west 20 to 30 mph with gusts

Colorado Red Flag Warning | Effective 04/21/2026 12:15

The National Weather Service in Denver has issued a Fire Weather Watch for wind and low relative humidity, which is in effect from Thursday morning through Thursday evening. * AFFECTED AREA...Fire Weather Zones 214, 216, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250 and 251. * TIMING...For the Red Flag Warning, from 10 AM Wednesday to midnight MDT Wednesday night. For the Fire Weather Watch, from Thursday morning through Thursday evening. * WINDS...For the Red Flag Warning, west 20 to 30 mph with gusts

Colorado, Wyoming Red Flag Warning | Effective 04/21/2026 12:15

* AFFECTED AREA...Fire Weather Zone 215. * TIMING...From 10 AM Wednesday to midnight MDT Wednesday night. * WINDS...West 20 to 30 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...5 to 8 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

Montana Fire Weather Watch | Effective 04/21/2026 12:15

The National Weather Service in Glasgow has issued a Fire Weather Watch, which is in effect from Wednesday morning through Wednesday evening. * AFFECTED AREA...Fire weather zone 122. * WIND...South then southwest increasing to 20 to 30 mph. * HUMIDITY...as low as 10 to 15 percent. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. Please advise the appropriate officials or fire crews in these areas of this Fire Weather Watch.

Montana Fire Weather Watch | Effective 04/21/2026 12:15

The National Weather Service in Glasgow has issued a Fire Weather Watch, which is in effect from Wednesday afternoon through Wednesday evening. * AFFECTED AREA...Fire weather zones 120, 134, 135, 136, and 137. * WIND...Southwest then west at 20 to 30 mph. * HUMIDITY...Near 20 percent near the Canadian border to 10 to 15 percent south of Fort Peck Lake. * HIGHEST THREAT...Along and south of Highway 2. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended.

South Dakota, , Wyoming Red Flag Warning | Effective 04/21/2026 11:48

...RED FLAG WARNING IN EFFECT LATE WEDNESDAY MORNING THROUGH EARLY EVENING ACROSS NORTHEASTERN WYOMING AND WESTERN SOUTH DAKOTA... .Hot, dry, and windy conditions will support widespread critical fire weather conditions Wednesday, mainly in the afternoon and evening. Temperatures tomorrow will range from the 80s to mid 90s with minimum humidities dropping to as low as 10%. Meanwhile, southwesterly winds will increase through the morning as a cold
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