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Product Timestamp: 2025-05-07 10:05 UTC

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FNUS73 KBIS 071005
FWSBIS

Spot Forecast for hb 29 30 31...fws
National Weather Service Bismarck ND
505 AM CDT Wed May 7 2025

Forecast is based on ignition time of 0700 CDT on May 07. 
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...

Sunny/clear skies and dry conditions are expected today through
Thursday. For today, expect light southeasterly winds at around 10
mph this morning to increase to around 20 mph with gusts up to 30
mph this afternoon. Minimum relative humidity will drop to around
25 percent which may lead to near-critical fire weather conditions.
Winds will become southerly and remain breezy through the night 
with relative humidity recovering to around 61 percent. Windy 
conditions out of the south at 15 to 25 mph with gusts up to 35 
mph are then expected for Thursday. These winds combined with 
minimum relative humidity values around 20 percent will result in 
near-critical to critical fire weather conditions Thursday.

.REST OF TODAY...

Sky/weather.........Sunny. 
CWR.................0 percent. 
Chance of pcpn......0 percent. 
Chance of thunder...0 percent. 
Max temperature.....Around 70. 
Min humidity........25 percent. 
Wind (20 ft)........Southeast winds 10 mph increasing up to 20 mph 
					with gusts up to 30 mph in the late afternoon. 
Mixing height.......6300 ft AGL. 
Transport winds.....Southeast 14 to 20 mph. 
Smoke dispersal.....Poor (5500 knot-ft) early in the morning 
                    increasing to very good (100200 knot-ft) in the 
                    afternoon. 

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 
Sky (%).........25  20  14  9   12  8   8   6   4   1   3   
Weather cov.....                                            
Weather type....                                            
Tstm cov........                                            
CWR.............0   0   0   0   0   0   0   0   0   0   0   
Chc of pcpn (%).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   
Temp............37  40  46  50  54  58  62  64  66  68  69  
RH..............67  58  47  39  34  30  28  27  26  25  25  
20 FT wind dir..SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  SE  
20 FT wind spd..8   9   10  11  12  12  12  14  15  17  19  
20 FT wind gust.14  14  17  18  19  20  20  20  21  24  27  
Mix hgt (kft)...0.5 0.9 1.2 1.7 2.1 3.3 4.1 5.1 5.7 6.1 6.3 
Transp wind dir.SE  SE  SE  SE  SE  S   S   S   S   S   S   
Transp wind spd.14  15  14  15  14  15  15  16  17  18  20  
Dispr kt-ft/1K..6   12  14  23  25  43  53  71  85  92  100 

.TONIGHT...

Sky/weather.........Mostly clear. 
CWR.................0 percent. 
Chance of pcpn......0 percent. 
Chance of thunder...0 percent. 
Min temperature.....Around 50. 
Max humidity........61 percent. 
Wind (20 ft)........South winds around 15 mph with gusts to around 
                    25 mph. 
Mixing height.......500 ft AGL. 
Transport winds.....South 16 to 21 mph. 
Smoke dispersal.....Very good (106100 knot-ft) early in the evening 
                    decreasing to poor (7800 knot-ft) late in the 
                    night. 

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM   
Sky (%).........3      8      8      3      4      4      
Weather cov.....                                          
Weather type....NONE   NONE   NONE   NONE   NONE   NONE   
Tstm cov........                                          
CWR.............0      0      0      0      0      0      
Chc of pcpn (%).0      0      0      0      0      0      
Chc of thdr (%).0      0      0      0      0      0      
Temp............69     66     57     55     53     52     
RH..............25     29     42     45     50     56     
20 ft wind......S 16   S 15   SE 14  S 15   S 16   S 16   
20 ft wind gust.24     22     21     24     24     25     
Mix hgt (ft)....6200   2600   500    600    700    700    
Transport wind..S 20   S 20   S 17   S 18   S 20   S 20   
Dispr kt-ft/1K..106    44     8      10     11     13     

.THURSDAY...

Sky/weather.........Sunny. 
CWR.................0 percent. 
Chance of pcpn......0 percent. 
Chance of thunder...0 percent. 
Max temperature.....Around 85. 
Min humidity........20 percent. 
Wind (20 ft)........South winds 15 to 25 mph with gusts to around 
                    35 mph. 
Mixing height.......10500 ft AGL. 
Transport winds.....Southwest 20 increasing to 30 mph in the 
					afternoon. 
Smoke dispersal.....Poor (11500 knot-ft) early in the morning 
                    increasing to excellent (214900 knot-ft) in 
					the afternoon. 

TIME (CDT)      6 AM         10 AM        2 PM         
Sky (%).........7            2            5            
Weather cov.....                                       
Weather type....NONE         NONE         NONE         
Tstm cov........                                       
CWR.............0            0            0            
Chc of pcpn (%).0            0            10           
Chc of thdr (%).0            0            0            
Temp............51           67           81           
RH..............61           43           25           
20 FT wind......S 16G26      S 21G31      S 25G35      
Mix hgt (ft)....700          1800         7700         
Transport wind..S 20         SW 29        SW 30        
Dispr kt-ft/1K..12           44           198          

$$
Forecaster...TELKEN
Requested by...calvin moldenhauer
Type of request...PRESCRIBED
.TAG 2513295.0/BIS
.DELDT 05/07/25
.FormatterVersion 2.0.0
.EMAIL calvin_moldenhauer@fws.gov