AFOS product FWSBIS
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Product Timestamp: 2025-09-29 14:09 UTC

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FWSBIS

Spot Forecast for Mandan...Mandan Fire
National Weather Service Bismarck ND
909 AM CDT Mon Sep 29 2025

Forecast is based on forecast start time of 1000 CDT on September 29. 
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Today with be warm with a high of 85 degrees. Winds this morning are northeast around 5mph, 
these will increase to 20mph by 2pm. Wind direction will turn to the southeast by 1pm.
Winds will stay around 20mph this evening and possibly overnight from the southeast.


.REST OF TODAY...

Sky/weather.........Mostly sunny. 
Chance of pcpn......10 percent. 
Chance of thunder...8 percent. 
Max temperature.....Around 85. 
Min humidity........49 percent. 
Max apparent temp...84. 
Surface winds.......Light winds becoming southeast 10 mph with 
                    gusts to around 20 mph in the afternoon. 
Transport winds.....East 10 to 15 mph shifting to the southeast 15 
                    to 17 mph late in the afternoon. 
Smoke dispersal.....Poor (7600 knot-ft) early in the morning 
                    increasing to fair (49200 knot-ft) in the 
                    afternoon. 
Smoke dispersal.....Poor (7600 knot-ft) early in the morning 
                    increasing to fair (49200 knot-ft) in the 
                    afternoon. 
Snowfall amount.....0.0 inches. 

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 
Sky (%).........20  21  26  28  34  29  30  35  
Weather cov.....                                
Weather type....                                
Tstm cov........                                
Chc of pcpn (%).0   0   0   10  10  10  10  10  
Chc of thdr (%).0   0   0   10  10  10  10  10  
Temp............62  68  74  78  81  82  83  83  
RH..............81  74  66  56  53  51  49  49  
Aparnt tmp (F)..62  68  74  78  82  83  84  84  
Surface wnd dir.NE  E   E   SE  SE  SE  SE  SE  
Surface wnd spd.2   6   9   11  11  11  12  12  
Surface wnd gst.10  14  17  19  20  20  21  20  
Transp wind dir.E   E   E   E   SE  SE  SE  SE  
Transp wind spd.10  12  12  14  14  15  17  15  
Vrate kt-ft/1K..8   13  16  27  32  40  49  40  
Ventrate Cat....PR  PR  PR  PR  PR  PR  FR  PR  
Dispr kt-ft/1K..8   13  16  27  32  40  49  40  

.TONIGHT...

Sky/weather.........Partly cloudy then becoming mostly cloudy then 
                    becoming partly cloudy. 
Chance of pcpn......10 percent. 
Chance of thunder...8 percent. 
Min temperature.....Around 63. 
Max humidity........73 percent. 
Max apparent temp...82. 
Surface winds.......Southeast winds 9 to 12 mph. Gusts up to 20 mph 
                    early in the evening then 21 mph overnight. 
Transport winds.....Southeast 10 to 15 mph. 
Smoke dispersal.....Poor (6000 knot-ft). 
Smoke dispersal.....Poor (6000 knot-ft). 
Snowfall amount.....0.0 inches. 

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 
Sky (%).........41  54  66  61  47  48  46  46  46  40  47  44  
Weather cov.....                                                
Weather type....                                                
Tstm cov........                                                
Chc of pcpn (%).10  0   0   0   0   0   0   0   0   0   0   0   
Chc of thdr (%).10  0   0   0   0   0   0   0   0   0   0   0   
Temp............81  78  75  72  70  69  68  68  67  66  66  65  
RH..............51  56  62  66  71  73  73  68  68  68  65  68  
Aparnt tmp (F)..82  78  75  72  70  69  68  68  67  66  66  65  
Surface wnd dir.SE  SE  SE  E   E   E   SE  SE  SE  SE  SE  SE  
Surface wnd spd.11  11  9   11  11  11  11  11  11  12  12  12  
Surface wnd gst.20  17  17  18  18  18  18  20  20  20  20  21  
Transp wind dir.SE  SE  SE  SE  E   SE  SE  SE  S   S   S   S   
Transp wind spd.13  10  12  14  14  14  15  15  15  15  15  15  
Vrate kt-ft/1K..15  8   6   7   7   7   8   8   8   8   8   8   
Ventrate Cat....PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  PR  
Dispr kt-ft/1K..15  8   6   7   7   7   8   8   8   8   8   8   

.TUESDAY...

Sky/weather.........Mostly sunny. 
Chance of pcpn......0 percent. 
Chance of thunder...4 percent. 
Max temperature.....Around 84. 
Min humidity........44 percent. 
Max apparent temp...83. 
Surface winds.......Southeast winds 12 to 19 mph with gusts to 
                    around 29 mph. 
Transport winds.....South 14 to 23 mph increasing to 24 to 29 mph 
                    in the afternoon. 
Smoke dispersal.....Poor (7200 knot-ft) early in the morning 
                    increasing to good (90200 knot-ft) in the 
                    afternoon increasing to good (89400 knot-ft) 
                    early in the morning increasing to very good 
                    (115500 knot-ft) in the afternoon late in the 
                    afternoon. 
Smoke dispersal.....Poor (7200 knot-ft) early in the morning 
                    increasing to good (90200 knot-ft) in the 
                    afternoon increasing to good (89400 knot-ft) 
                    early in the morning increasing to very good 
                    (115500 knot-ft) in the afternoon late in the 
                    afternoon. 
Snowfall amount.....0.0 inches. 

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 
Sky (%).........39  41  44  29  27  13  13  13  14  14  15  12  
Weather cov.....                                                
Weather type....                                                
Tstm cov........                                                
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0   
Chc of thdr (%).0   0   0   0   0   0   0   0   0   0   0   0   
Temp............64  63  63  65  69  73  77  80  82  83  83  82  
RH..............70  70  72  73  68  62  56  51  47  44  44  46  
Aparnt tmp (F)..64  63  63  65  69  73  77  81  82  83  83  82  
Surface wnd dir.SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  
Surface wnd spd.12  12  13  14  14  15  16  18  19  19  19  18  
Surface wnd gst.21  21  23  24  25  26  28  29  29  29  28  26  
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S   
Transp wind spd.14  14  16  18  22  23  24  26  28  29  29  26  
Vrate kt-ft/1K..8   7   13  20  31  40  53  68  90  111 116 89  
Ventrate Cat....PR  PR  PR  PR  PR  FR  FR  GD  GD  VGD VGD GD  
Dispr kt-ft/1K..8   7   13  20  31  40  53  68  90  111 116 89  

$$
Forecaster...SMITH
Requested by...Erik
Type of request...HAZMAT
.TAG 2522707.0/BIS
.DELDT 09/29/25
.FormatterVersion 2.0.0
.EMAIL erik.short@cityofmandan.com