WxSim & NWS Forecast Comparison
National Weather Service (NW), Actual Observed (Act), WxSim Generated (WS)
Updated: 04-03-25 at 4:55 am |
Goal |
Forecast Day |
Day +1 |
Day +2 |
± 2.0° F |
High |
Low |
High |
Low |
High |
Low |
Date |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
04-03-25 |
67 |
|
64 |
45 |
|
49 |
59 |
|
60 |
38 |
|
43 |
48 |
|
46 |
40 |
|
42 |
04-02-25 |
47 |
50.8 |
50 |
34 |
36.5 |
35 |
66 |
|
63 |
44 |
|
46 |
58 |
|
60 |
38 |
|
41 |
04-01-25 |
48 |
47.8 |
48 |
22 |
27.2 |
26 |
47 |
50.8 |
51 |
34 |
36.5 |
36 |
68 |
|
66 |
48 |
|
46 |
03-31-25 |
41 |
72.6 |
68 |
68 |
37.2 |
39 |
36 |
47.8 |
49 |
49 |
27.2 |
29 |
23 |
50.8 |
49 |
48 |
36.5 |
34 |
03-30-25 |
35 |
45.0 |
50 |
45 |
42.1 |
45 |
42 |
72.6 |
65 |
66 |
37.2 |
39 |
36 |
47.8 |
47 |
45 |
27.2 |
30 |
03-29-25 |
57 |
54.8 |
54 |
36 |
36.0 |
38 |
48 |
45.0 |
50 |
42 |
42.1 |
44 |
67 |
72.6 |
65 |
35 |
37.2 |
37 |
03-28-25 |
27 |
59.3 |
56 |
56 |
47.6 |
41 |
43 |
54.8 |
68 |
61 |
36.0 |
43 |
39 |
45.0 |
50 |
49 |
42.1 |
44 |
03-27-25 |
47 |
50.1 |
47 |
31 |
27.1 |
32 |
55 |
59.3 |
53 |
41 |
47.6 |
41 |
64 |
54.8 |
71 |
39 |
36.0 |
45 |
03-26-25 |
46 |
49.0 |
46 |
27 |
24.2 |
25 |
48 |
50.1 |
47 |
31 |
27.1 |
32 |
54 |
59.3 |
54 |
40 |
47.6 |
38 |
03-25-25 |
49 |
52.8 |
47 |
26 |
26.5 |
27 |
47 |
49.0 |
44 |
27 |
24.2 |
26 |
47 |
50.1 |
48 |
29 |
27.1 |
31 |
03-24-25 |
47 |
42.1 |
41 |
32 |
32.3 |
34 |
49 |
52.8 |
47 |
28 |
26.5 |
29 |
46 |
49.0 |
44 |
26 |
24.2 |
25 |
03-23-25 |
40 |
40.8 |
44 |
27 |
29.8 |
29 |
47 |
42.1 |
42 |
32 |
32.3 |
33 |
46 |
52.8 |
47 |
29 |
26.5 |
28 |
03-22-25 |
56 |
59.9 |
56 |
21 |
25.6 |
22 |
42 |
40.8 |
45 |
29 |
29.8 |
31 |
45 |
42.1 |
50 |
33 |
32.3 |
33 |
03-21-25 |
43 |
48.0 |
44 |
30 |
23.7 |
29 |
55 |
59.9 |
53 |
21 |
25.6 |
21 |
43 |
40.8 |
44 |
30 |
29.8 |
31 |
Results |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
# Succ |
2 |
|
4 |
3 |
|
8 |
2 |
|
3 |
4 |
|
7 |
0 |
|
2 |
4 |
|
6 |
% Succ |
15.4 |
|
30.8 |
23.1 |
|
61.5 |
16.7 |
|
25.0 |
33.3 |
|
58.3 |
|
|
18.2 |
36.4 |
|
54.5 |
Ave Error |
8.0 |
|
3.0 |
5.5 |
|
2.6 |
7.0 |
|
4.9 |
8.2 |
|
2.9 |
7.6 |
|
5.5 |
5.1 |
|
3.1 |
Net Error |
-6.9 |
|
-1.7 |
3.0 |
|
0.5 |
-5.5 |
|
-0.9 |
5.7 |
|
1.0 |
-5.0 |
|
0.4 |
3.3 |
|
0.9 |
Std Dev |
10.4 |
|
1.7 |
7.7 |
|
1.7 |
7.6 |
|
3.4 |
9.8 |
|
2.0 |
6.6 |
|
3.9 |
4.7 |
|
2.9 |
|
|
Updated: 04-02-25 at 4:55 pm |
Goal |
Forecast Day |
Day +1 |
Day +2 |
± 2.0° F |
Low |
High |
Low |
High |
Low |
High |
Date |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
04-02-25 |
46 |
|
35 |
37 |
|
65 |
67 |
|
47 |
46 |
|
60 |
61 |
|
41 |
39 |
|
46 |
04-01-25 |
48 |
27.2 |
26 |
26 |
47.8 |
50 |
49 |
|
35 |
34 |
|
64 |
67 |
|
45 |
48 |
|
59 |
03-31-25 |
35 |
37.0 |
36 |
48 |
72.6 |
48 |
26 |
27.2 |
28 |
50 |
47.8 |
50 |
35 |
|
37 |
69 |
|
66 |
03-30-25 |
44 |
42.1 |
42 |
44 |
45.0 |
66 |
67 |
37.0 |
38 |
36 |
72.6 |
48 |
51 |
27.2 |
28 |
25 |
47.8 |
50 |
03-29-25 |
37 |
36.0 |
37 |
51 |
54.8 |
50 |
44 |
42.1 |
44 |
66 |
45.0 |
65 |
37 |
37.0 |
37 |
47 |
72.6 |
46 |
03-28-25 |
55 |
45.1 |
42 |
43 |
59.3 |
54 |
62 |
36.0 |
41 |
37 |
54.8 |
55 |
50 |
42.1 |
49 |
44 |
45.0 |
64 |
03-27-25 |
47 |
27.1 |
32 |
32 |
50.1 |
56 |
55 |
45.1 |
41 |
43 |
59.3 |
72 |
70 |
36.0 |
49 |
42 |
54.8 |
55 |
03-26-25 |
26 |
24.1 |
24 |
47 |
49.0 |
46 |
31 |
27.1 |
33 |
53 |
50.1 |
54 |
40 |
45.1 |
40 |
63 |
59.3 |
60 |
03-25-25 |
50 |
25.9 |
27 |
28 |
52.8 |
44 |
45 |
24.1 |
26 |
26 |
49.0 |
48 |
48 |
27.1 |
29 |
31 |
50.1 |
54 |
03-24-25 |
40 |
32.2 |
34 |
31 |
42.1 |
46 |
52 |
25.9 |
27 |
29 |
52.8 |
45 |
46 |
24.1 |
24 |
26 |
49.0 |
48 |
03-23-25 |
39 |
29.8 |
29 |
29 |
40.8 |
41 |
46 |
32.2 |
32 |
31 |
42.1 |
47 |
48 |
25.9 |
27 |
28 |
52.8 |
43 |
03-22-25 |
56 |
23.3 |
21 |
21 |
59.9 |
44 |
42 |
29.8 |
30 |
28 |
40.8 |
45 |
49 |
32.2 |
33 |
31 |
42.1 |
47 |
03-21-25 |
45 |
23.2 |
28 |
28 |
48.0 |
56 |
56 |
23.3 |
21 |
20 |
59.9 |
45 |
41 |
29.8 |
31 |
27 |
40.8 |
49 |
03-20-25 |
32 |
33.4 |
33 |
48 |
65.3 |
45 |
29 |
23.2 |
31 |
53 |
48.0 |
52 |
23 |
23.3 |
23 |
43 |
59.9 |
46 |
Results |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
NW |
Act |
WS |
# Succ |
5 |
|
9 |
2 |
|
1 |
2 |
|
7 |
0 |
|
2 |
2 |
|
8 |
1 |
|
3 |
% Succ |
38.5 |
|
69.2 |
15.4 |
|
7.7 |
16.7 |
|
58.3 |
|
|
16.7 |
18.2 |
|
72.7 |
9.1 |
|
27.3 |
Ave Error |
11.9 |
|
1.7 |
16.3 |
|
9.5 |
15.4 |
|
2.7 |
17.7 |
|
8.4 |
14.9 |
|
2.8 |
15.9 |
|
8.2 |
Net Error |
11.4 |
|
0.4 |
-16.3 |
|
-3.2 |
15.2 |
|
1.6 |
-12.5 |
|
0.3 |
13.9 |
|
1.8 |
-15.2 |
|
-1.1 |
Std Dev |
9.9 |
|
1.5 |
10.2 |
|
7.2 |
9.3 |
|
1.8 |
9.0 |
|
7.2 |
9.3 |
|
3.7 |
7.8 |
|
7.9 |
|
|
Updated: 04-02-25 at 7:55 pm |
Goal |
Forecast Day |
Day +1 |
Day +2 |
± 2.0° F |
Low |
High |
Low |
High |
Low |
High |
Date |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
04-02-25 |
55 |
|
35 |
78 |
|
64 |
66 |
|
47 |
73 |
|
59 |
44 |
|
42 |
54 |
|
46 |
04-01-25 |
55 |
36.5 |
26 |
78 |
47.8 |
50 |
66 |
|
35 |
73 |
|
63 |
44 |
|
46 |
54 |
|
59 |
03-31-25 |
55 |
35.7 |
37 |
78 |
72.6 |
48 |
66 |
36.5 |
27 |
73 |
47.8 |
51 |
44 |
|
37 |
54 |
|
64 |
03-30-25 |
55 |
54.2 |
42 |
78 |
45.0 |
68 |
66 |
35.7 |
38 |
73 |
72.6 |
49 |
44 |
36.5 |
29 |
54 |
47.8 |
49 |
03-29-25 |
55 |
42.0 |
36 |
78 |
54.8 |
48 |
66 |
54.2 |
43 |
73 |
45.0 |
65 |
44 |
35.7 |
38 |
54 |
72.6 |
46 |
03-28-25 |
55 |
36.4 |
43 |
78 |
59.3 |
54 |
66 |
42.0 |
40 |
73 |
54.8 |
49 |
44 |
54.2 |
44 |
54 |
45.0 |
64 |
03-27-25 |
55 |
50.3 |
32 |
78 |
50.1 |
55 |
66 |
36.4 |
41 |
73 |
59.3 |
71 |
44 |
42.0 |
48 |
54 |
54.8 |
51 |
03-26-25 |
55 |
28.8 |
23 |
78 |
49.0 |
46 |
66 |
50.3 |
32 |
73 |
50.1 |
53 |
44 |
36.4 |
41 |
54 |
59.3 |
70 |
03-25-25 |
55 |
32.7 |
26 |
78 |
52.8 |
43 |
66 |
28.8 |
25 |
73 |
49.0 |
47 |
44 |
50.3 |
31 |
54 |
50.1 |
54 |
03-24-25 |
55 |
31.5 |
33 |
78 |
42.1 |
46 |
66 |
32.7 |
26 |
73 |
52.8 |
44 |
44 |
28.8 |
25 |
54 |
49.0 |
47 |
03-23-25 |
55 |
37.2 |
28 |
78 |
40.8 |
40 |
66 |
31.5 |
33 |
73 |
42.1 |
47 |
44 |
32.7 |
27 |
54 |
52.8 |
43 |
03-22-25 |
55 |
30.7 |
19 |
78 |
59.9 |
43 |
66 |
37.2 |
29 |
73 |
40.8 |
43 |
44 |
31.5 |
33 |
54 |
42.1 |
46 |
03-21-25 |
55 |
33.7 |
28 |
78 |
48.0 |
56 |
66 |
30.7 |
21 |
73 |
59.9 |
45 |
44 |
37.2 |
31 |
54 |
40.8 |
49 |
03-20-25 |
55 |
37.2 |
34 |
78 |
65.3 |
45 |
66 |
33.7 |
31 |
73 |
48.0 |
52 |
44 |
30.7 |
23 |
54 |
59.9 |
46 |
Results |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
# Succ |
1 |
|
2 |
0 |
|
1 |
0 |
|
2 |
1 |
|
1 |
1 |
|
1 |
2 |
|
2 |
% Succ |
7.7 |
|
15.4 |
|
|
7.7 |
|
|
16.7 |
8.3 |
|
8.3 |
9.1 |
|
9.1 |
18.2 |
|
18.2 |
Ave Error |
17.5 |
|
7.6 |
25.1 |
|
10.0 |
28.5 |
|
6.7 |
21.2 |
|
8.7 |
9.2 |
|
6.8 |
7.4 |
|
9.4 |
Net Error |
17.5 |
|
-6.1 |
25.1 |
|
-3.5 |
28.5 |
|
-5.3 |
21.2 |
|
-0.5 |
6.2 |
|
-4.2 |
1.8 |
|
-0.8 |
Std Dev |
7.1 |
|
4.4 |
8.2 |
|
7.5 |
7.1 |
|
4.5 |
8.1 |
|
6.7 |
3.1 |
|
4.3 |
4.6 |
|
7.2 |
|
|