Weather Underground/TWC & WxSim Forecast Comparison
Weather Underground/TWC (WU), Station Observed (Act), WxSim Generated (WS)
| Updated: 10-25-26 at 5:55 am |
| Goal |
Forecast Day |
Day +1 |
Day +2 |
Day +3 |
| ± 2.0° C |
High |
Low |
High |
Low |
High |
Low |
High |
Low |
| Date |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
| 10-25-26 |
13 |
|
13 |
9 |
|
9 |
17 |
|
14 |
16 |
|
13 |
17 |
|
17 |
8 |
|
9 |
16 |
|
15 |
8 |
|
8 |
| 10-21-26 |
12 |
15.4 |
11 |
8 |
6.8 |
7 |
14 |
|
14 |
12 |
|
9 |
14 |
|
12 |
8 |
|
7 |
15 |
|
11 |
10 |
|
9 |
| 10-20-26 |
14 |
13.2 |
13 |
10 |
6.8 |
9 |
13 |
15.4 |
13 |
8 |
6.8 |
8 |
15 |
|
13 |
11 |
|
10 |
13 |
|
11 |
8 |
|
9 |
| 10-19-26 |
15 |
13.9 |
13 |
12 |
11.6 |
11 |
14 |
13.2 |
13 |
10 |
6.8 |
9 |
13 |
15.4 |
12 |
7 |
6.8 |
9 |
14 |
|
14 |
11 |
|
10 |
| 10-18-26 |
15 |
13.9 |
11 |
9 |
9.3 |
7 |
15 |
13.9 |
13 |
12 |
11.6 |
10 |
14 |
13.2 |
12 |
10 |
6.8 |
9 |
13 |
15.4 |
13 |
8 |
6.8 |
7 |
| 10-17-26 |
15 |
14.1 |
13 |
8 |
7.7 |
8 |
14 |
13.9 |
14 |
8 |
9.3 |
8 |
15 |
13.9 |
13 |
12 |
11.6 |
10 |
14 |
13.2 |
12 |
9 |
6.8 |
9 |
| 10-16-26 |
16 |
16.9 |
15 |
7 |
7.1 |
7 |
14 |
14.1 |
12 |
8 |
7.7 |
8 |
14 |
13.9 |
10 |
9 |
9.3 |
6 |
14 |
13.9 |
12 |
11 |
11.6 |
9 |
| 10-15-26 |
22 |
21.1 |
22 |
13 |
11.7 |
14 |
15 |
16.9 |
16 |
7 |
7.1 |
8 |
15 |
14.1 |
13 |
9 |
7.7 |
8 |
14 |
13.9 |
13 |
10 |
9.3 |
9 |
| 10-14-26 |
20 |
18.8 |
17 |
15 |
14.2 |
13 |
21 |
21.1 |
22 |
13 |
11.7 |
13 |
15 |
16.9 |
15 |
7 |
7.1 |
8 |
14 |
14.1 |
12 |
8 |
7.7 |
7 |
| 10-13-26 |
20 |
19.8 |
19 |
9 |
9.2 |
10 |
20 |
18.8 |
18 |
14 |
14.2 |
12 |
21 |
21.1 |
19 |
14 |
11.7 |
13 |
16 |
16.9 |
17 |
7 |
7.1 |
7 |
| 10-12-26 |
17 |
17.2 |
15 |
16 |
16.6 |
12 |
20 |
19.8 |
20 |
9 |
9.2 |
10 |
20 |
18.8 |
18 |
14 |
14.2 |
11 |
21 |
21.1 |
19 |
14 |
11.7 |
12 |
| 10-11-26 |
16 |
16.0 |
15 |
11 |
11.5 |
11 |
17 |
17.2 |
17 |
17 |
16.6 |
13 |
20 |
19.8 |
20 |
10 |
9.2 |
9 |
20 |
18.8 |
17 |
14 |
14.2 |
11 |
| 10-10-26 |
15 |
15.9 |
13 |
8 |
9.1 |
7 |
16 |
16.0 |
14 |
11 |
11.5 |
9 |
18 |
17.2 |
16 |
17 |
16.6 |
14 |
20 |
19.8 |
20 |
10 |
9.2 |
10 |
| 10-09-26 |
18 |
20.0 |
19 |
10 |
10.1 |
12 |
15 |
15.9 |
13 |
8 |
9.1 |
10 |
15 |
16.0 |
14 |
12 |
11.5 |
11 |
19 |
17.2 |
17 |
17 |
16.6 |
16 |
| Results |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
| # Succ |
12 |
|
9 |
12 |
|
8 |
11 |
|
9 |
11 |
|
8 |
10 |
|
8 |
9 |
|
6 |
9 |
|
7 |
8 |
|
7 |
| % Succ |
92.3 |
|
69.2 |
92.3 |
|
61.5 |
91.7 |
|
75.0 |
91.7 |
|
66.7 |
90.9 |
|
72.7 |
81.8 |
|
54.5 |
90.0 |
|
70.0 |
80.0 |
|
70.0 |
| Ave Error |
1.0 |
|
1.7 |
0.8 |
|
1.5 |
0.7 |
|
1.1 |
0.8 |
|
1.6 |
1.0 |
|
1.7 |
0.9 |
|
1.7 |
0.8 |
|
1.3 |
0.9 |
|
1.1 |
| Net Error |
-0.1 |
|
-1.6 |
0.3 |
|
-0.3 |
-0.2 |
|
-0.9 |
0.3 |
|
-0.3 |
0.0 |
|
-1.7 |
0.8 |
|
-0.4 |
0.1 |
|
-1.2 |
0.7 |
|
-0.4 |
| Std Dev |
0.8 |
|
1.1 |
0.8 |
|
1.2 |
0.7 |
|
0.7 |
0.8 |
|
0.8 |
0.6 |
|
1.0 |
0.9 |
|
0.9 |
0.6 |
|
0.6 |
0.5 |
|
0.8 |
|
|
|
| Updated: 10-25-26 at 11:55 am |
| Goal |
Forecast Day |
Day +1 |
Day +2 |
Day +3 |
| ± 2.0° C |
High |
Low |
High |
Low |
High |
Low |
High |
Low |
| Date |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
| 10-25-26 |
15 |
|
14 |
9 |
|
9 |
17 |
|
13 |
15 |
|
13 |
17 |
|
16 |
9 |
|
7 |
16 |
|
12 |
9 |
|
6 |
| 10-21-26 |
10 |
15.4 |
11 |
9 |
6.8 |
6 |
14 |
|
12 |
11 |
|
9 |
14 |
|
11 |
8 |
|
7 |
14 |
|
11 |
10 |
|
9 |
| 10-20-26 |
13 |
13.2 |
13 |
10 |
6.8 |
8 |
13 |
15.4 |
11 |
8 |
6.8 |
9 |
15 |
|
13 |
11 |
|
10 |
13 |
|
12 |
8 |
|
9 |
| 10-19-26 |
14 |
13.9 |
14 |
12 |
11.6 |
10 |
14 |
13.2 |
11 |
10 |
6.8 |
9 |
13 |
15.4 |
12 |
8 |
6.8 |
7 |
14 |
|
13 |
11 |
|
10 |
| 10-18-26 |
14 |
13.9 |
14 |
9 |
9.3 |
9 |
15 |
13.9 |
13 |
12 |
11.6 |
10 |
14 |
13.2 |
11 |
10 |
6.8 |
9 |
13 |
15.4 |
11 |
8 |
6.8 |
7 |
| 10-17-26 |
15 |
14.1 |
14 |
8 |
7.7 |
10 |
14 |
13.9 |
13 |
9 |
9.3 |
8 |
15 |
13.9 |
12 |
12 |
11.6 |
11 |
14 |
13.2 |
12 |
10 |
6.8 |
10 |
| 10-16-26 |
16 |
16.9 |
15 |
7 |
7.1 |
6 |
14 |
14.1 |
12 |
8 |
7.7 |
7 |
14 |
13.9 |
10 |
8 |
9.3 |
6 |
14 |
13.9 |
13 |
11 |
11.6 |
9 |
| 10-15-26 |
21 |
21.1 |
22 |
13 |
11.7 |
13 |
16 |
16.9 |
16 |
7 |
7.1 |
7 |
15 |
14.1 |
13 |
9 |
7.7 |
9 |
14 |
13.9 |
12 |
10 |
9.3 |
7 |
| 10-14-26 |
19 |
18.8 |
19 |
15 |
14.2 |
12 |
21 |
21.1 |
19 |
13 |
11.7 |
13 |
15 |
16.9 |
15 |
7 |
7.1 |
8 |
15 |
14.1 |
14 |
8 |
7.7 |
7 |
| 10-13-26 |
20 |
19.8 |
20 |
9 |
9.2 |
10 |
20 |
18.8 |
18 |
14 |
14.2 |
11 |
21 |
21.1 |
19 |
14 |
11.7 |
13 |
16 |
16.9 |
16 |
7 |
7.1 |
7 |
| 10-12-26 |
17 |
17.2 |
17 |
16 |
16.6 |
13 |
20 |
19.8 |
19 |
9 |
9.2 |
10 |
20 |
18.8 |
17 |
13 |
14.2 |
12 |
21 |
21.1 |
19 |
14 |
11.7 |
11 |
| 10-11-26 |
18 |
16.0 |
16 |
12 |
11.5 |
12 |
17 |
17.2 |
17 |
17 |
16.6 |
13 |
20 |
19.8 |
19 |
9 |
9.2 |
9 |
20 |
18.8 |
18 |
14 |
14.2 |
12 |
| 10-10-26 |
17 |
15.9 |
16 |
8 |
9.1 |
8 |
16 |
16.0 |
15 |
11 |
11.5 |
12 |
18 |
17.2 |
16 |
17 |
16.6 |
15 |
20 |
19.8 |
18 |
10 |
9.2 |
11 |
| 10-09-26 |
21 |
20.0 |
20 |
10 |
10.1 |
10 |
15 |
15.9 |
13 |
8 |
9.1 |
9 |
16 |
16.0 |
14 |
11 |
11.5 |
11 |
19 |
17.2 |
16 |
17 |
16.6 |
14 |
| Results |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
| # Succ |
12 |
|
12 |
11 |
|
10 |
11 |
|
7 |
11 |
|
8 |
10 |
|
7 |
9 |
|
8 |
9 |
|
8 |
8 |
|
5 |
| % Succ |
92.3 |
|
92.3 |
84.6 |
|
76.9 |
91.7 |
|
58.3 |
91.7 |
|
66.7 |
90.9 |
|
63.6 |
81.8 |
|
72.7 |
90.0 |
|
80.0 |
80.0 |
|
50.0 |
| Ave Error |
1.0 |
|
0.6 |
0.9 |
|
1.3 |
0.7 |
|
1.6 |
0.8 |
|
1.5 |
0.9 |
|
2.0 |
1.1 |
|
1.3 |
0.9 |
|
1.5 |
1.0 |
|
1.6 |
| Net Error |
-0.1 |
|
-0.4 |
0.5 |
|
-0.4 |
-0.1 |
|
-1.6 |
0.4 |
|
-0.3 |
0.1 |
|
-2.0 |
0.5 |
|
-0.2 |
0.2 |
|
-1.5 |
0.8 |
|
-0.6 |
| Std Dev |
1.4 |
|
1.2 |
0.9 |
|
0.9 |
0.6 |
|
1.1 |
0.8 |
|
1.0 |
0.7 |
|
0.8 |
0.8 |
|
0.8 |
0.6 |
|
1.1 |
0.8 |
|
1.0 |
|
|
|
| Updated: 10-25-26 at 3:55 pm |
| Goal |
Forecast Day |
Day +1 |
Day +2 |
Day +3 |
| ± 2.0° C |
High |
Low |
High |
Low |
High |
Low |
High |
Low |
| Date |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
| 10-25-26 |
9 |
|
13 |
17 |
|
9 |
15 |
|
13 |
17 |
|
13 |
9 |
|
16 |
16 |
|
7 |
8 |
|
12 |
15 |
|
6 |
| 10-20-26 |
9 |
15.4 |
9 |
13 |
6.8 |
10 |
8 |
|
7 |
15 |
|
13 |
11 |
|
9 |
13 |
|
11 |
8 |
|
9 |
14 |
|
12 |
| 10-19-26 |
11 |
11.6 |
10 |
14 |
13.9 |
12 |
10 |
15.4 |
8 |
13 |
6.8 |
13 |
7 |
|
8 |
14 |
|
13 |
11 |
|
10 |
13 |
|
12 |
| 10-18-26 |
8 |
9.3 |
8 |
15 |
13.9 |
13 |
12 |
11.6 |
10 |
14 |
13.9 |
10 |
10 |
15.4 |
9 |
13 |
6.8 |
11 |
8 |
|
8 |
15 |
|
13 |
| 10-17-26 |
8 |
7.7 |
10 |
14 |
14.1 |
14 |
9 |
9.3 |
8 |
15 |
13.9 |
13 |
12 |
11.6 |
10 |
13 |
13.9 |
11 |
10 |
15.4 |
9 |
14 |
6.8 |
13 |
| 10-16-26 |
7 |
7.1 |
7 |
14 |
16.9 |
13 |
8 |
7.7 |
7 |
14 |
14.1 |
9 |
8 |
9.3 |
7 |
14 |
13.9 |
14 |
11 |
11.6 |
9 |
14 |
13.9 |
13 |
| 10-15-26 |
14 |
11.7 |
13 |
16 |
21.1 |
17 |
7 |
7.1 |
8 |
15 |
16.9 |
13 |
9 |
7.7 |
8 |
13 |
14.1 |
13 |
10 |
9.3 |
7 |
15 |
13.9 |
14 |
| 10-14-26 |
15 |
14.2 |
12 |
21 |
18.8 |
19 |
12 |
11.7 |
12 |
16 |
21.1 |
16 |
7 |
7.1 |
7 |
15 |
16.9 |
14 |
8 |
7.7 |
7 |
15 |
14.1 |
13 |
| 10-13-26 |
9 |
9.2 |
10 |
20 |
19.8 |
18 |
14 |
14.2 |
12 |
21 |
18.8 |
20 |
13 |
11.7 |
11 |
15 |
21.1 |
15 |
7 |
7.1 |
8 |
14 |
16.9 |
13 |
| 10-12-26 |
16 |
16.6 |
14 |
20 |
17.2 |
20 |
10 |
9.2 |
10 |
19 |
19.8 |
18 |
13 |
14.2 |
12 |
21 |
18.8 |
18 |
13 |
11.7 |
13 |
15 |
21.1 |
16 |
| 10-11-26 |
12 |
11.5 |
11 |
17 |
16.0 |
16 |
17 |
16.6 |
12 |
20 |
17.2 |
19 |
10 |
9.2 |
10 |
20 |
19.8 |
18 |
14 |
14.2 |
13 |
21 |
18.8 |
19 |
| 10-10-26 |
8 |
9.1 |
9 |
16 |
15.9 |
15 |
11 |
11.5 |
10 |
18 |
16.0 |
17 |
17 |
16.6 |
13 |
20 |
17.2 |
20 |
9 |
9.2 |
10 |
19 |
19.8 |
18 |
| 10-09-26 |
10 |
10.1 |
10 |
15 |
20.0 |
13 |
8 |
9.1 |
9 |
16 |
15.9 |
14 |
11 |
11.5 |
12 |
19 |
16.0 |
17 |
17 |
16.6 |
15 |
20 |
17.2 |
20 |
| 10-08-26 |
11 |
11.4 |
11 |
19 |
14.3 |
18 |
10 |
10.1 |
9 |
15 |
20.0 |
13 |
8 |
9.1 |
9 |
15 |
15.9 |
14 |
11 |
11.5 |
10 |
19 |
16.0 |
16 |
| Results |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
| # Succ |
11 |
|
9 |
6 |
|
7 |
11 |
|
9 |
7 |
|
6 |
10 |
|
7 |
6 |
|
6 |
9 |
|
7 |
4 |
|
6 |
| % Succ |
84.6 |
|
69.2 |
46.2 |
|
53.8 |
91.7 |
|
75.0 |
58.3 |
|
50.0 |
90.9 |
|
63.6 |
54.5 |
|
54.5 |
90.0 |
|
70.0 |
40.0 |
|
60.0 |
| Ave Error |
1.1 |
|
1.5 |
2.4 |
|
2.3 |
0.8 |
|
1.9 |
2.3 |
|
3.3 |
1.3 |
|
1.7 |
2.3 |
|
2.3 |
1.0 |
|
1.9 |
2.7 |
|
2.2 |
| Net Error |
-0.5 |
|
-0.8 |
0.4 |
|
-0.8 |
-0.5 |
|
-1.5 |
0.1 |
|
-1.6 |
-0.5 |
|
-1.4 |
0.3 |
|
-0.9 |
-0.4 |
|
-1.3 |
0.7 |
|
-0.4 |
| Std Dev |
1.6 |
|
1.6 |
2.0 |
|
1.9 |
1.4 |
|
1.9 |
1.8 |
|
1.7 |
1.3 |
|
1.6 |
2.0 |
|
1.6 |
1.5 |
|
1.5 |
2.1 |
|
1.9 |
|
|
|
| Updated: 10-25-26 at 7:55 pm |
| Goal |
Forecast Day |
Day +1 |
Day +2 |
Day +3 |
| ± 2.0° C |
Low |
High |
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 |
WU |
Act |
WS |
WU |
Act |
WS |
| 10-25-26 |
9 |
|
9 |
17 |
|
13 |
15 |
|
13 |
17 |
|
16 |
8 |
|
7 |
16 |
|
13 |
8 |
|
6 |
15 |
|
13 |
| 10-24-26 |
10 |
6.8 |
10 |
13 |
13.6 |
12 |
9 |
|
8 |
17 |
|
13 |
15 |
|
12 |
17 |
|
16 |
8 |
|
7 |
15 |
|
12 |
| 10-20-26 |
9 |
6.8 |
10 |
12 |
15.4 |
11 |
8 |
6.8 |
8 |
14 |
13.6 |
13 |
12 |
|
9 |
14 |
|
11 |
8 |
|
9 |
14 |
|
12 |
| 10-19-26 |
12 |
11.6 |
10 |
14 |
13.2 |
11 |
10 |
6.8 |
8 |
13 |
15.4 |
13 |
8 |
6.8 |
8 |
15 |
13.6 |
13 |
11 |
|
10 |
13 |
|
12 |
| 10-18-26 |
8 |
9.3 |
7 |
14 |
13.9 |
13 |
12 |
11.6 |
10 |
14 |
13.2 |
10 |
10 |
6.8 |
9 |
13 |
15.4 |
11 |
8 |
6.8 |
8 |
15 |
13.6 |
14 |
| 10-17-26 |
8 |
7.7 |
9 |
15 |
13.9 |
13 |
9 |
9.3 |
8 |
15 |
13.9 |
13 |
12 |
11.6 |
10 |
14 |
13.2 |
11 |
10 |
6.8 |
9 |
13 |
15.4 |
13 |
| 10-16-26 |
7 |
7.1 |
7 |
15 |
14.1 |
12 |
8 |
7.7 |
7 |
14 |
13.9 |
9 |
8 |
9.3 |
7 |
15 |
13.9 |
14 |
11 |
11.6 |
9 |
14 |
13.2 |
13 |
| 10-15-26 |
14 |
11.7 |
14 |
15 |
16.9 |
16 |
7 |
7.1 |
8 |
14 |
14.1 |
13 |
8 |
7.7 |
8 |
14 |
13.9 |
13 |
9 |
9.3 |
7 |
15 |
13.9 |
14 |
| 10-14-26 |
14 |
14.2 |
12 |
21 |
21.1 |
18 |
12 |
11.7 |
12 |
15 |
16.9 |
16 |
7 |
7.1 |
7 |
15 |
14.1 |
14 |
8 |
7.7 |
7 |
14 |
13.9 |
13 |
| 10-13-26 |
9 |
9.2 |
10 |
20 |
18.8 |
18 |
14 |
14.2 |
12 |
21 |
21.1 |
20 |
13 |
11.7 |
12 |
16 |
16.9 |
15 |
7 |
7.1 |
9 |
14 |
14.1 |
13 |
| 10-12-26 |
16 |
16.6 |
15 |
20 |
19.8 |
20 |
9 |
9.2 |
10 |
20 |
18.8 |
18 |
14 |
14.2 |
12 |
21 |
21.1 |
18 |
14 |
11.7 |
13 |
16 |
16.9 |
16 |
| 10-11-26 |
12 |
11.5 |
11 |
17 |
17.2 |
15 |
17 |
16.6 |
12 |
20 |
19.8 |
19 |
10 |
9.2 |
10 |
20 |
18.8 |
18 |
14 |
14.2 |
13 |
20 |
21.1 |
19 |
| 10-10-26 |
8 |
9.1 |
10 |
16 |
16.0 |
15 |
11 |
11.5 |
10 |
18 |
17.2 |
17 |
17 |
16.6 |
13 |
20 |
19.8 |
20 |
9 |
9.2 |
10 |
19 |
18.8 |
18 |
| 10-09-26 |
10 |
10.1 |
10 |
15 |
15.9 |
14 |
8 |
9.1 |
9 |
16 |
16.0 |
14 |
11 |
11.5 |
12 |
18 |
17.2 |
17 |
17 |
16.6 |
15 |
20 |
19.8 |
20 |
| Results |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
WU |
Act |
WS |
| # Succ |
10 |
|
8 |
12 |
|
8 |
11 |
|
10 |
11 |
|
9 |
10 |
|
7 |
10 |
|
8 |
8 |
|
7 |
9 |
|
8 |
| % Succ |
76.9 |
|
61.5 |
92.3 |
|
61.5 |
91.7 |
|
83.3 |
91.7 |
|
75.0 |
90.9 |
|
63.6 |
90.9 |
|
72.7 |
80.0 |
|
70.0 |
90.0 |
|
80.0 |
| Ave Error |
1.0 |
|
1.5 |
0.9 |
|
1.7 |
0.7 |
|
1.4 |
0.8 |
|
1.6 |
0.9 |
|
1.4 |
0.9 |
|
1.3 |
0.9 |
|
1.6 |
0.8 |
|
0.9 |
| Net Error |
0.4 |
|
0.3 |
-0.2 |
|
-1.7 |
0.3 |
|
-0.6 |
0.0 |
|
-1.6 |
0.5 |
|
-0.4 |
0.3 |
|
-1.3 |
0.6 |
|
-0.1 |
-0.1 |
|
-0.8 |
| Std Dev |
0.9 |
|
0.9 |
0.9 |
|
1.1 |
0.8 |
|
1.1 |
0.7 |
|
1.2 |
0.8 |
|
0.8 |
0.6 |
|
1.3 |
0.8 |
|
0.5 |
0.6 |
|
0.6 |
|
|
|