Weston County, WY
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Monday 04/20 11:00 AM MDT – Monday 04/20 8:00 PM MDT
Issued by NWS Rapid City SD
RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MDT /NOON CDT/ THIS MORNING TO 8 PM MDT /9 PM CDT/ THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES 315, 317, 321, 322, 325, 326, 332, 333, 334, AND 335
.Temperatures will reach into the upper 70s to mid 80s across portions of northeastern Wyoming and southern South Dakota this afternoon. Afternoon humidities will drop into the single digits to low teens. The very warm and dry conditions in combination with dry fuels and westerly winds gusting up to 30 mph will support critical fire weather conditions this afternoon. Overnight humidity recoveries will be poor (less than 55 percent) across northeastern Wyoming into the Black Hills and southwestern South Dakota tonight.
Affected Area
Fire Weather Zones 315 Southern Campbell, 317 Weston County Plains, 321 Southern Black Hills, 322 Fall River County Area, 325 Custer County Plains, 326 Pine Ridge Area, 332 Badlands Area, 333 Bennett County Area, 334 Mellette and Todd Counties and 335 Tripp County.
Winds
West 10 to 20 mph with gusts up to 30 mph.
Relative Humidity
As low as 8 percent.
Impacts
The combination of dry fuels, low relative humidities, gusty winds, and hot temperatures will produce critical fire weather conditions. New fires could spread rapidly.
What to do
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.
Areas impacted
- Southern Black Hills
- Fall River County Area
- Custer County Plains
- Pine Ridge Area
- Badlands Area
- Bennett County Area
- Mellette and Todd Counties
- Tripp County
- Southern Campbell
- Weston County Plains
Briefing
From the forecaster
Strong Warming Trend through Mid-Week
Created by the NWS Rapid City WFO
Temperatures will be mild tonight, then will rebound to near record temperatures over the next few days. Sunny, dry, and windy weather will create widespread near-critical to critical fire weather. Be careful when doing outdoor chores or activities, don't be an ignition source!
Seven-day weather risk overview
Daily weather risk summary
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