SRNL Weather Center Fire Forecast (PM)
Date:
May 18, 2026
Forecast Period:
8:00 PM Today (May 18, 2026) through 8:00 AM Three Days from Now (May 22, 2026)
Discussion:
Warm and dry weather continues this week as high pressure ridge is predominant over the eastern US. Temperatures will reach the low-90s across the CSRA - follow heat stress guidance when conducting remote & outdoor work. As the pattern changes, we will see rain and thunderstorms entering the picture Thu-Fri.
Special Conditions:
Short Term Forecast
(** Scroll table to see more information **)
(** Scroll table to see more information **)
| Tonight (May 18) | Tuesday (May 19) | Tuesday Night | |
|---|---|---|---|
| Sky Condition | Clear then Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Max/Min Temp | 64 | 92 | 65 |
| 1st Period Wind Direction/Speed | SE 2-6, gusts to 11 | Light and variable | SSE 2-6, gusts to 11 |
| 2nd Period Wind Direction/Speed | Light and variable | SSE 2-6, gusts to 11 | Light and variable |
| Humidity % (min/max) | 95 | 40 | 95 |
| Stability | E | B | E |
| Mixing Height (ft) | Inversion 10pm-8am | 4500 | Inversion 10pm-8am |
| Transport Direction/Speed (mph) | N/A | S 10 | N/A |
| Precipitation Chance (%) | 0 | 0 | 0 |
| Precipitation Start-Stop | N/A | N/A | N/A |
| Precipitation Type | N/A | N/A | N/A |
| Precipitation Amount | N/A | N/A | N/A |
| Fog Potential | Patchy fog possible 4am-8am | Patchy fog possible before 8am | Patchy fog possible 4am-8am |
Extended Forecast for May 20 - 22
| Wednesday (May 20) | Thursday (May 21) | Friday (May 22) | |
|---|---|---|---|
| State of the Weather | Partly Cloudy | Partly Cloudy then Thunderstorms | Rain Showers then Thunderstorms |
| Maximum Temp (F) | 92 | 91 | 86 |
| Minimum Temp (F) | 67 | 65 | 69 |
| Surface Wind Direction/Speed (MPH) | SSE 2-5, gusts to 10 | SSE 2-5, gusts to 10 | SE 5-8, gusts to 15 |
| Humidity | Moderate | Moderate | High |
| Dispersion Potential | Good | Good | Good |
| PrecipitationChance | 0 | 40 | 80 |
| Precipitation Type | N/A | Isolated Thunderstorms | Showers and Thunderstorms |
JW / Atmospheric Technology Group
Phone: 5-2003
Pager: 17832
Weather Center Phone: 5-1182