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Day 1 Outlook • April 20, 2026
Day 2 Outlook • April 21, 2026
Day 3 Outlook • April 22, 2026
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dBZ 5
75

Hazardous Weather Conditions

  • No active alerts for THERMOPOLIS, WYOMING

Current Conditions: THERMOPOLIS, WYOMING

THERMOPOLIS (KHSG)

Clear

45.5 F
Humidity:23%
Wind Speed:W 6.9 mph
Barometer:30.01 in
Dewpoint:9.7 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:41.9 F
Apr 20 2026, 01:15 AM MDT
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5 Day Forecast for THERMOPOLIS, WYOMING (82443)

Monday

High 82 °F
Forecast Missing
Monday
Night
Low 41 °F
Forecast Missing
Tuesday

High 84 °F
Forecast Missing
Tuesday
Night
Low 48 °F
Forecast Missing
Wednesday

High 73 °F
Forecast Missing
Wednesday
Night
Low 37 °F
Forecast Missing
Thursday

High 53 °F
Forecast Missing
Thursday
Night
Low 26 °F
Forecast Missing
Friday

High 50 °F
Forecast Missing

Detailed Forecast for THERMOPOLIS, WYOMING (82443)

Monday
Chance of Snow. High near 82°F. Wind 3 to 20 mph, with gusts as high as 28 mph.
Monday Night
Forecast Missing. Low around 41°F. Wind 5 to 8 mph, with gusts as high as 12 mph.
Tuesday
Forecast Missing. High near 84°F. Wind 5 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Forecast Missing. Low around 48°F. Wind 8 to 10 mph, with gusts as high as 17 mph.
Wednesday
Forecast Missing. High near 73°F. Wind 16 to 32 mph, with gusts as high as 43 mph.
Wednesday Night
Forecast Missing. Low around 37°F. Wind 14 to 20 mph, with gusts as high as 26 mph.
Thursday
Forecast Missing. High near 53°F. Wind 22 to 29 mph, with gusts as high as 39 mph.
Thursday Night
Forecast Missing. Low around 26°F. Wind 10 to 14 mph, with gusts as high as 18 mph.
Friday
Forecast Missing. High near 50°F. Wind 13 to 14 mph, with gusts as high as 21 mph.
Friday Night
Forecast Missing. Low around 23°F. Wind 7 to 9 mph, with gusts as high as 14 mph.
Saturday
Forecast Missing. High near 51°F. Wind around 9 mph, with gusts as high as 16 mph.
Saturday Night
Forecast Missing. Low around 23°F. Wind 5 to 6 mph, with gusts as high as 9 mph.
Sunday
Forecast Missing. High near 51°F. Wind 8 to 9 mph, with gusts as high as 14 mph.
WY Radar
Current Radar • WY
Day 1 Outlook • April 20, 2026

Observation History for THERMOPOLIS, WYOMING

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
01:15 AM MDT W 6.9 10.00 Clear -- 45.5 9.7 23% 41.9 NA 30.01 1016.3
12:55 AM MDT 10.00 Clear -- NULL % NA NA M
12:35 AM MDT 10.00 Clear -- NULL % NA NA M
12:15 AM MDT W 12.7 10.00 Clear -- 43.7 10.4 25% 37.2 NA 30.01 1016.3
11:35 PM MDT 6.9 10.00 Clear -- NULL 9.0 % NA NA 30.01 1016.3
11:15 PM MDT 10.00 Clear -- NULL % NA NA M
10:35 PM MDT 10.00 Clear -- NULL % NA NA M
10:15 PM MDT NW 6.9 10.00 Clear -- NULL 7.2 % NA NA 30.02 1016.6
09:35 PM MDT 5.7 10.00 Clear -- 50.2 6.4 17% NA NA 30.01 1016.3
09:15 PM MDT 5.7 10.00 Clear -- 49.3 7.2 18% 46.9 NA 30.01 1016.3
07:35 PM MDT 10.00 Clear -- NULL % NA NA M
07:15 PM MDT E 10.4 10.00 Clear -- 63.0 7.2 11% NA NA 29.99 1015.6
06:35 PM MDT G 16.1 10.00 Clear -- NULL % NA NA M
05:55 PM MDT 10.4 10.00 Clear -- 67.5 7.5 9% NA NA 29.99 1015.6
05:35 PM MDT G 16.1 10.00 Clear -- NULL % NA NA M
05:15 PM MDT 8.1 10.00 Clear -- 67.5 7.3 9% NA NA 30.00 1015.9
04:35 PM MDT 3.4 10.00 Clear -- 67.5 6.4 9% NA NA 30.01 1016.3
04:15 PM MDT 4.6 10.00 Clear -- 68.4 7.3 9% NA NA 30.02 1016.6
03:35 PM MDT 10.00 Clear -- NULL % NA NA M
03:15 PM MDT 10.00 Clear -- NULL % NA NA M
02:35 PM MDT SE 4.6 10.00 Clear -- 65.7 3.9 8% NA NA 30.06 1017.9
02:15 PM MDT 10.00 Clear -- NULL % NA NA M
01:35 PM MDT 10.00 Clear -- NULL % NA NA M
01:15 PM MDT SE 9.2 10.00 Clear -- 61.7 % NA NA 30.08 1018.6

Regional Weather Observation

THERMOPOLIS (KHSG)

Clear
45.5 F

BOYSEN/THERMOPOL (KTBX)

Clear
50.0 F

WORLAND (KWRL)

Clear
37.4 F

RIVERTON (KRIW)

Clear
42.8 F

GREYBULL (KGEY)

Clear
39.2 F

CODY (KCOD)

Clear
50.0 F
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