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SRNL Weather Center Fire Forecast (PM)

Date:
August 20, 2026
Forecast Period:
8:00 PM Today (August 20, 2026) through 8:00 AM Three Days from Now (August 24, 2026)
Discussion:
Continued sunny skies, weak winds and hot temperatures today, with low pressure aloft bringing a small chance of showers and thunderstorms today and tonight, with a greater chance on Friday.
Special Conditions:
Short Term Forecast
(** Scroll table to see more information **)
Tonight (August 20) Friday (August 21) Friday Night
Sky Condition Partly Cloudy then Mostly Clear Mostly Sunny then Thunderstorms Thunderstorms then Rain Showers
Max/Min Temp 75 95 72
1st Period Wind Direction/Speed S 1-4, gusts to 8 S 2-5, gusts to 10 S 3-7, gusts to 14
2nd Period Wind Direction/Speed S 1-4, gusts to 8 S 3-7, gusts to 14 S 1-4, gusts to 8
Humidity % (min/max) 95 45 90
Stability E A E
Mixing Height (ft) Inversion 8pm-8am 7000 Inversion 8pm-8am
Transport Direction/Speed (mph) N/A SW 5 N/A
Precipitation Chance (%) 20 50 50
Precipitation Start-Stop before 2am after 2pm before 4am
Precipitation Type Isolated showers and thunderstorms Showers and thunderstorms Showers and thunderstorms
Precipitation Amount <0.1 0.25-0.50 0.25-0.50
Fog Potential patchy fog possible toward morning none patchy fog possible toward morning
Extended Forecast for August 22 - 24
Saturday (August 22) Sunday (August 23) Monday (August 24)
State of the Weather Mostly Cloudy then Partly Cloudy Mostly Sunny then Mostly Sunny Mostly Sunny then Partly Cloudy
Maximum Temp (F) 93 96 95
Minimum Temp (F) 72 69 67
Surface Wind Direction/Speed (MPH) W 3-7, gusts to 9 NW 3-7, gusts to 9 N 3-7, gusts to 9
Humidity High High High
Dispersion Potential Good Good Good
PrecipitationChance 20 0 10
Precipitation Type Scattered thunderstorms N/A Scattered thunderstorms
Updated August 20, 2026 03:20 PM
DWW / Atmospheric Technology Group
Phone: 5-3717
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